A Dichotomous Key to Species of Eratoneura |
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1. Aedeagus with pair of slender distal processes.
1'. Aedeagus without slender distal processes.
2(1). Aedeagus with pair of processes arising at base or near midlength of shaft.
2'. Aedeagus without processes arising at base or near midlength of shaft.
3(2). Aedeagal shaft curved dorsad, processes arising near midlength of shaft. Dorsal pygofer appendage extended to pygofer apex.
E. gillettei Beamer
3'. Aedeagal shaft curved ventrad, processes arising at base of shaft. Dorsal pygofer appendage not extended to pygofer apex.
E. imbricariae Ross & DeLong
4(2). Tip of aedeagal shaft with short dorsal projection; distal processes extended ventrolaterad.
4'. Tip of aedeagal shaft without dorsal projection; distal processes extended dorsolaterad.
5(4). Distal processes of aedeagus about as long as shaft.
E. lamucata Ross & DeLong
5'. Distal processes of aedeagus about half as long as shaft.
E. maculata Gillette
6(4). Third point of style apex longer than half distance between other two points. Distal processes of aedeagus arising subapically, shorter then half length of shaft.
E. eversi Ross & DeLong
6'. Third point of style apex shorter than half distance between other two points. Distal processes of aedeagus arising apically, almost as long as shaft.
7(6). Third point of style apex short toothlike, subequal in size to second point. Aedeagal shaft with prominent lateral lobes, smooth. Pygofer appendage compressed.
E. noncuspidis Beamer
7'. Third point of style apex almost as long as half distance between other two points. Aedeagal shaft without lateral lobes, with teeth. Pygofer appendage not compressed.
E. teshi Hepner
8(1). Aedeagus with pair of processes arising at base of shaft.
8'. Aedeagus without processes arising at base of shaft.
9(8). Pygofer appendage not extended to pygofer apex, bulbous subapically. Forewing basal half uniformly red.
E. osborni DeLong
9'. Pygofer appendage extended to or beyond pygofer apex, not bulbous subapically. Forewing basal half yellow with reddish maculae.
10(9). Third point of style apex longer than distance between other two points. Pygofer appendage curved upward, widest at midlength. Basal processes of aedeagus small toothlike.
E. sandersoni Ross
10'. Third point of style apex shorter than distance between other two points. Pygofer appendage straight or curved downward, widest at base. Basal processes of aedeagus longer.
11(10). Pygofer appendage with ring of long spines near midlength. Aedeagal shaft strongly compressed, with dorsal carina or distal lobe; basal processes appressed to shaft.
11'. Pygofer appendage without ring of long spines. Aedeagal shaft without dorsal carina or distal lobe; basal processes divergent from shaft.
12(11). Aedeagal shaft broad in lateral view, only about twice as long as wide; basal processes extended along dorsal margin of shaft.
E. crinita Beamer
12'. Aedeagal shaft slender in lateral view, more than 5 time as long as wide; basal processes extended along ventral margin of shaft.
E. andersoni Beamer
13(11). Third point of style apex longer than half distance between other two points. Aedeagal shaft broad. Larger (3.5-3.7 mm). Forewing with two large reddish patches.
E. paraesculi Knull
13'. Third point of style apex shorter than half distance between other two points. Aedeagal shaft slender. Smaller (2.8-3.1 mm). Forewing with usual maculate pattern.
14(13). Preatrium much shorter than aedeagal shaft; basal processes almost as long as shaft.
E. tammina Ross & DeLong
14'. Preatrium about as long as aedeagal shaft; basal processes shorter than half length of shaft.
E. texana Beamer
15(8). Pygofer appendage (not including small basal projection) bifurcate or expanded at apex.
15'. Pygofer appendage not bifurcate or expanded at apex (sometimes expanded near midlength).
16(15). Pygofer appendage bifurcate near base.
16'. Pygofer appendage bifurcate far from base or expanded near apex.
17(16). Third point of style apex longer than half distance between other two points. Aedeagal shaft curved dorsad, tip abruptly bent dorsad.
E. separata Beamer
17'. Third point of style apex short toothlike or absent. Aedeagal shaft straight, tip not bent dorsad.
18(17). Ventral branch of pygofer appendage abruptly curved upward in distal third.
E. curvata Beamer
18'. Ventral branch of pygofer appendage straight or smoothly curved.
19(18). Branches of pygofer appendage converging distally, subequal in width or dorsal branch wider.
E. restricta Beamer
19'. Branches of pygofer appendage not converging distally, ventral branch wider than dorsal.
20(19). Pygofer appendage extended ventrocaudad, not reaching pygofer apex. Aedeagal shaft broad in lateral view, gradually narrowing towards apex, without lateral lobes at base.
E. impar Beamer
20'. Pygofer appendage extended caudad along dorsal margin of pygofer, reaching pygofer apex. Aedeagal shaft in lateral view more slender, parallel sided, with lateral lobes at base.
21(20). Ventral branch of pygofer appendage evenly tapering towards apex.
E. carmini Beamer
21'. Ventral branch of dorsal fork of pygofer appendage parallel sided through its length, abruptly narrowing at apex.
E. forfex Beamer
22(16). Third point of style apex about as long as or longer than distance between other two points.
22'. Third point of style apex about as long as or shorter than half distance between other two points.
23(22). Apex of pygofer appendage with numerous spines.
23'. Apex of pygofer appendage bifurcate, without spines.
24(23). Aedeagal shaft more than twice as long as wide in lateral view, with lateral lobes not broader than shaft in ventral view. Third point of style apex evenly curved.
E. linea Beamer
24'. Aedeagal shaft less than twice as long as wide in lateral view, with lateral lobes broader than shaft in ventral view. Third point of style apex sinuate.
E. rangifer Ross & DeLong
25(23). Tip of aedeagal shaft expanded in ventral view, abruptly bent dorsad in lateral view.
E. dimidiata Knull
25'. Tip of aedeagal shaft not expanded in ventral view, not bent dorsad in lateral view.
26(25). Aedeagal shaft round in crossection through length.
E. sanctaerosae Hepner
26'. Aedeagal shaft compressed.
27(26). Aedeagal shaft about as long as wide in ventral view.
27'. Aedeagal shaft about 1.5 times as long as wide in ventral view.
28(27). Aedeagal shaft triangular in ventral view. Branches of pygofer appendage crossed in dorsal view.
E. betulae Dmitriev & Dietrich
28'. Aedeagal shaft round in ventral view. Branches of pygofer appendage not crossed in dorsal view.
29(28). Aedeagus with ventral hump. Pygofer appendage directed caudad. Larger (2.9-3.2 mm).
E. concisa Beamer
29'. Aedeagus without ventral hump. Pygofer appendage curved dorsad. Smaller (2.4-2.6 mm).
E. spala Ross & DeLong
30(27). Dorsal branch of pygofer appendage less than half length of ventral branch, sharply curved outward at right angle.
E. harpola Ross
30'. Dorsal branch of pygofer appendage, if shorter than ventral branch, not curved outward.
31(30). Aedeagal shaft narrowing towards apex in ventral view.
31'. Aedeagal shaft parallel sided in ventral view.
32(31). Aedeagal shaft straight in lateral view. Branches of pygofer appendage divergent at obtuse angle. Forewing with color pattern consisting of small reddish maculae.
E. minor Beamer
32'. Aedeagal shaft curved ventrad in lateral view. Branches of pygofer appendage divergent at acute angle. Forewing with large reddish patches.
33(32). Larger (2.9-3.1 mm). Forewing with single large spot at base.
E. aesculi Beamer
33'. Smaller (2.7-2.9 mm). Forewing with two smaller spots: one at base, another at apex of clavus.
E. bifida Beamer
34(31). Branches of pygofer appendage divergent at acute angle. Smaller (2.5-2.7 mm). Coloration usual for genus with small reddish maculae.
E. aculeata Beamer
34'. Branches of pygofer appendage divergent at about 90° angle. Larger (2.7-3.2 mm). Forewings with enlarged reddish patches.
35(34). Ventral branch of pygofer appendage longer than dorsal branch. Smaller (2.7-2.9 mm).
E. lusoria Van Duzee
35'. Ventral branch of pygofer appendage shorter than dorsal branch. Larger (2.9-3.2 mm).
E. pyra McAtee
36(22). Branches of pygofer appendage at least half as long as appendage, parallel to each other.
E. millsi Ross & DeLong
36'. Branches of pygofer appendage much shorter than half length of appendage, divergent, or appendage not bifurcated but expanded at apex.
37(36). Preatrium of aedeagus as long as or shorther than half length of aedeagal shaft. Branches of pygofer appendage long.
E. longifurca Hepner
37'. Preatrium of aedeagus about as long as aedeagal shaft.
38(37). Aedeagal shaft curved dorsad at right angle near base.
E. manus Beamer
38'. Aedeagal shaft straight in lateral view or only slightly curved.
39(38). Second point of style apex prominent. Apex of pygofer appendage abruptly curved downward, then recurved, denticulate.
E. staffordi Hepner
39'. Second point of style apex short toothlike. Apex of pygofer appendage not as above.
40(39). Lateral lobes of aedeagal shaft large, reaching apex of shaft. Mesonotum brownish.
E. ardens McAtee
40'. Lateral lobes of aedeagal shaft, if present, not reaching apex of shaft. Mesonotum not brownish.
41(40). Pygofer appendage broad in lateral view, denticulate along dorsal margin.
41'. Pygofer appendage, if broad in lateral view, not denticulate along dorsal margin.
42(41). Smaller (2.6-2.9 mm). Forewing with zigzag pattern.
E. uvaldeana Knull
42'. Larger (3.1-3.3 mm). Forewing with maculate pattern.
E. inepta Beamer
43(41). Pygofer appendage bifurcate at apex.
43'. Pygofer appendage expanded at apex, with multiple distal spines.
44(43). Pygofer appendage expanded and compressed in distal half before bifurcation.
44'. Pygofer appendage not expanded in distal half, round in crossection.
45(44). Pygofer appendage expanded and compressed only in distal half, thickened along dorsal margin, branches of fork divergent at acute angle. Aedeagal shaft with narrow lateral lobes at base, slender in lateral view.
E. firma Beamer
45'. Pygofer appendage expanded and compressed throughout its length, not thickened along dorsal margin, branches of fork divergent at obtuse angle. Aedeagal shaft with large lateral lobes, broad in lateral view.
E. bispinosa Beamer
46(44). Ventral branch of pygofer appendage much longer and thicker than dorsal branch.
E. hyalina Knull & Auten
46'. Ventral branch of pygofer appendage not longer or thicker than dorsal branch.
47(46). Pygofer appendage sinuate twice before bifurcation, ventral branch very short, toothlike.
E. harnedi Hepner
47'. Pygofer appendage sinuate only once before bifurcation, ventral branch at least twice as long as broad.
48(47). Branches of pygofer appendage extended more or less horizontally, one branch about twice as long as other.
E. unica Beamer
48'. Branches of pygofer appendage extended one above other, of about equal length.
49(48). Branches of pygofer appendage of equal length, or ventral branch slightly longer, angle between branches about 90°.
E. mira Beamer
49'. Ventral branch of pygofer appendage slightly shorter than dorsal branch, angle between branches acute.
E. facota Beamer
50(43). Pygofer appendage depressed. Smaller (2.6-2.8 mm).
E. cristata Knull
50'. Pygofer appendage not depressed. Larger (2.8-3 mm).
51(50). Pygofer appendage with blunt apex. Aedeagus with large lateral lobes at base.
E. mcateei Dmitriev & Dietrich
51'. Pygofer appendage with pointed apex. Aedeagus without lateral lobes.
E. ungulata Beamer
52(15). Aedeagus with basal processes arising near midlength of shaft.
E. distincta Knull & Auten
52'. Aedeagus without basal processes, with or without lateral lobes at base of shaft.
53(52). Pygofer appendage widest at middle.
53'. Pygofer appendage widest at base.
54(53). Third point of style apex as long as or longer than distance between other two points.
54'. Third point of style apex distinctly shorter than distance between other two points.
55(54). Aedeagal shaft strongly compressed, apex acuminate in ventral view.
55'. Aedeagal shaft round or depressed in crossection, apex truncate in ventral view.
56(55). Pygofer appendage arising at middle of dorsal margin of pygofer lobe, its apex straight or slightly curved inward in dorsal view.
E. spinea Knull
56'. Pygofer appendage arising in basal third of dorsal margin of pygofer lobe, its apex curved outward in dorsal view.
E. rotunda Beamer
57(55). Aedeagal shaft round in crossection, without lateral lobes at base. Apex of pygofer appendage curved outward in dorsal view.
E. nigriventer Beamer
57'. Aedeagal shaft depressed, with lateral lobes at base. Apex of pygofer appendage not curved outward in dorsal view.
58(57). Aedeagal shaft short and broad in lateral view, only about 2 times as long as wide. Pygofer appendage curved upward in lateral view.
E. stupkaorum Knull
58'. Aedeagal shaft slender in lateral view, about 4 times as long as wide. Pygofer appendage not curved upward in lateral view.
59(58). Aedeagal shaft curved dorsad in lateral view. Pygofer appendage straight in dorsal view.
E. usitata Beamer
59'. Aedeagal shaft straight in lateral view. Pygofer appendage distinctly sinuate in dorsal view.
60(59). Pygofer appendage sinuate twice, extended well beyond pygofer apex. Third point of style apex about as long as distance between other two points. Smaller (2.6-2.8 mm).
E. incondita Beamer
60'. Pygofer appendage sinuate once, only slightly extended beyond pygofer apex. Third point of style apex considerably longer than distance between other two points. Larger (3-3.2 mm).
E. ingrata Beamer
61(54). Third point of style apex longer than half distance between other two points. Aedeagal shaft with large lateral lobes at base; tip of shaft abruptly bent dorsad. Smaller (2.4-2.8 mm).
61'. Third point of style apex shorter than half distance between other two points. Aedeagal shaft with or without narrow lateral lobes at base; tip of shaft not bent dorsad. Larger (2.8-3.3 mm).
62(61). Aedeagal shaft with dorsal carina; shaft narrowing towards apex in lateral view; lateral lobes narrowing towards shaft apex, widest at base.
E. arenosa Ross & DeLong
62'. Aedeagal shaft without dorsal carina; shaft parallel sided in lateral view; lateral lobes rounded, widest at middle.
E. uncinata Beamer
63(61). Forewing with 3 narrow red crossbands.
E. arpegia Ross
63'. Forewing with usual maculate color pattern.
64(63). Aedeagal shaft broad in lateral view, distinctly compressed; gonoduct well separated from dorsal margin of shaft at least distally.
64'. Aedeagal shaft slender in lateral view; gonoduct close to dorsal margin of shaft throughout its length.
65(64). Aedeagal shaft with straight dorsal and ventral margins; gonoduct distant from dorsal margin throughout length of shaft.
E. propria Beamer
65'. Aedeagal shaft with slightly bent dorsal and ventral margins; gonoduct distant from dorsal margin only in distal half of shaft.
E. brevipes Beamer
66(64). Aedeagal shaft distinctly curved dorsad; dorsal apodeme rounded distally in dorsal view.
E. turgida Beamer
66'. Aedeagal shaft straight in lateral view or slightly curved ventrad; dorsal apodeme truncate distally in dorsal view.
67(66). Pygofer appendage swollen in distal half.
E. delongi Knull & Auten
67'. Pygofer appendage swollen in distal two thirds.
68(67). Pygofer appendage not denticulate, more than twice as wide at middle as at base; its dorsal margin straight.
E. immota Beamer
68'. Pygofer appendage denticulate distally, less than twice as wide at middle as at base; its dorsal margin sinuate.
69(68). Pygofer appendage extended beyond pygofer apex, directed caudad.
E. tantilla Beamer
69'. Pygofer appendage not extended beyond pygofer apex, directed ventrocaudad.
E. sorota Hepner
70(53). Pygofer appendage not extended to pygofer apex.
70'. Pygofer appendage extended to or beyond pygofer apex.
71(70). Third point of style apex longer than half distance between other two points.
71'. Third point of style apex not longer than half distance between other two points.
72(71). Third point of style apex with broad base, triangular in shape.
72'. Third point of style apex narrow throughout its length.
73(72). Dorsal apodeme of aedeagus extended posterad to midlength of aedeagal shaft in lateral view.
E. solita Beamer
73'. Dorsal apodeme of aedeagus not extended beyond base of aedeagal shaft in lateral view.
E. knullae Ross
74(72). Aedeagal shaft broad in lateral view and strongly compressed, more than twice as broad in lateral view as in ventral view. Smaller (2.5-2.7 mm).
E. omani Beamer
74'. Aedeagal shaft slender in lateral view, at most slightly compressed, less than twice as broad in lateral view as in ventral view. Larger (2.7-3.2 mm).
75(74). Lateral lobes of aedeagal shaft widest near midlength of shaft.
75'. Lateral lobes of aedeagal shaft, if present, widest at base of shaft.
76(75). Aedeagal shaft straight in lateral view, forming right angle with preatrium. Third point of style apex curved.
E. mimica Ross
76'. Aedeagal shaft curved dorsad, forming continuous curve with preatrium. Third point of style apex straight.
E. sancta Beamer
77(75). Third point of style apex shorter than distance between other two points.
E. inksana Knull
77'. Third point of style apex longer than distance between other two points.
78(77). Pygofer appendage attenuate, about 10 times as long as wide in lateral view, extended towards ventrocaudal margin of pygofer lobe.
E. alloplana Ross
78'. Pygofer appendage robust, about 5 times as long as wide in lateral view, extended towards caudal margin of pygofer lobe.
79(78). Aedeagal shaft curved dorsad. Pygofer appendage curved upward and inward in distal half.
E. parva Beamer
79'. Aedeagal shaft straight in lateral view. Pygofer appendage straight in distal half.
80(79). Angle between basal and third points of style apex about 45°, margin between first and second points convex, first point prominent.
E. mirifica Beamer
80'. Angle between basal and third points of style apex almost 90°, margin between first and second points concave, first point small.
E. abjecta Beamer
81(71). Tip of aedeagus depressed, abruptly bent dorsad; aedeagal shaft not denticulate. Forewing largely red.
E. hartii Gillette
81'. Tip of aedeagus not as above. Forewing with usual maculate pattern.
82(81). Aedeagal shaft short and broad in lateral view (less than twice as long as wide); preatrium longer than shaft.
82'. Aedeagal shaft longer and more slender (more than twice as long as wide); preatrium as long as or shorter than shaft.
83(82). Aedeagal shaft depressed. Pygofer appendage curved downward. Smaller (2.5-2.6 mm). Mesonotum apex reddish.
E. misera Beamer
83'. Aedeagal shaft compressed. Pygofer appendage straight in lateral view. Larger (2.6-2.8 mm). Mesonotum apex blackish.
E. nevadensis Beamer
84(82). Aedeagal shaft expanded towards apex in ventral view.
E. lata Beamer
84'. Aedeagal shaft not expanded towards apex in ventral view.
85(84). Aedeagal shaft curved dorsad.
85'. Aedeagal shaft straight in lateral view or slightly curved ventrad.
86(85). Third point of style apex short, toothlike. Aedeagal shaft broad in lateral view, with large lateral lobes extended to gonopore.
E. levecki Hepner
86'. Third point of style apex at least 3 times as long as wide. Aedeagal shaft slender in lateral view, with small lateral lobes not extended to gonopore.
87(86). Angle between basal and third points of style more than 90°. Aedeagal shaft not denticulate, lateral lobes widest at middle of shaft.
E. tantula Knull
87'. Angle between basal and third points of style about 90°. Aedeagal shaft denticulate, lateral lobes widest at base of shaft.
E. beeri Hepner
88(85). Third point of style apex evenly curved, about half as long as distance between other two points. Pygofer appendage only 1.5 times as long as basal projection.
E. accita Knull
88'. Third point of style apex straight, less than half as long as distance between other two points. Pygofer appendage at least twice as long as basal projection.
89(88). Pygofer appendage evenly curved downward and outward, not compressed.
E. cera Hepner
89'. Pygofer appendage straight or slightly sinuate in lateral view, straight in dorsal view, compressed.
90(89). Tip of aedeagal shaft curved ventrad; lateral lobes extended beyond midlength of shaft. Forewing usually with narrow reddish crossband at middle of clavus.
E. rubraza Robinson
90'. Aedeagal shaft more or less straight; lateral lobes not extended to midlength of shaft. Forewing without reddish crossband, basal half sometimes darkened.
E. affinis Fitch
91(70). Third point of style apex very short, toothlike, about as long as wide, or shorter.
91'. Third point of style apex at least twice as long as wide at base.
92(91). Aedeagal shaft distinctly curved dorsad.
92'. Aedeagal shaft straight or slightly curved ventrad.
93(92). Aedeagal shaft round in crossection, slender in lateral view, with small lateral lobes. Coloration whitish with reduced maculate color pattern.
E. stephensoni Beamer
93'. Aedeagal shaft compressed, broad in lateral view, without lateral lobes. Coloration yellowish with usual maculate color pattern.
94(93). Pygofer appendage curved downward in lateral view, straight in dorsal view. Larger (3.1-3.3 mm).
E. clavipes Beamer
94'. Pygofer appendage curved upward in lateral view, distinctly sinuate in dorsal view. Smaller (2.6-2.8 mm).
E. retusa Beamer
95(92). Pygofer appendage strongly curved inward, apex crossing midline.
95'. Pygofer appendage at most slightly curved inward, apex not crossing midline.
96(95). Portion of pygofer appendage distad of bend about twice as long as basal portion, tip sinuate.
E. hymac Robinson
96'. Portion of pygofer appendage distad of bend about as long as basal portion, tip straight.
E. externa Beamer
97(95). Aedeagus with large denticulate lateral lobes at base, close to dorsal margin of aedeagus.
E. brooki Hepner
97'. Aedeagus without denticulate lateral lobes.
98(97). Pygofer appendage extended well beyond pygofer apex (usually > 5 times appendage width).
98'. Pygofer appendage only slightly, if any, extended beyond pygofer apex.
99(98). Pygofer appendage straight in dorsal and lateral view.
E. longa Knull
99'. Pygofer appendage sinuate in dorsal and/or lateral view.
100(99). Pygofer appendage helical, curved in three dimensions.
E. sebringensis Hepner
100'. Pygofer appendage not helical, sinuate in one plane.
101(100). Third point of style apex not developed.
101'. Third point of style apex prominent.
102(101). Pygofer appendage straight in dorsal view.
E. parvipes Beamer
102'. Pygofer appendage strongly sinuate in dorsal view.
E. calamitosa Beamer
103(101). Pygofer appendage curved downward or straight in lateral view, only slightly sinuate in dorsal view.
103'. Pygofer appendage in distal half curved upward in lateral view, usually strongly sinuate in dorsal view.
104(103). Pygofer appendage abruptly bent twice (near base and near tip) in dorsal view. Aedeagal shaft compressed.
E. richardsi Ross
104'. Pygofer appendage evenly curved in dorsal view. Aedeagal shaft round in crossection.
E. marilandicae Ross
105(103). Pygofer lobe with rounded apex. Vertex midline usually red.
E. opulenta Beamer
105'. Pygofer dorsal lobe with angulate apex. Vertex midline usually yellowish.
106(105). Aedeagus narrow in dorsal view, with small lateral lobes at base. Forewing usually with red crossband.
E. era McAtee
106'. Aedeagus more broad in dorsal view, without lateral lobes, or with lobes extended along entire length of shaft. Forewing without crossband.
107(106). Aedeagal shaft with lateral lobes along entire length of shaft; preatrium longer than shaft.
E. fergersoni Hepner
107'. Aedeagal shaft without lateral lobes; preatrium about as long as shaft.
108(107). Aedeagal shaft slightly compressed distally; gonoduct divergent from dorsal margin in distal half of shaft. Smaller (2.7-2.9 mm).
E. ellisi Hepner
108'. Aedeagal shaft round in crossection; gonoduct parallel to dorsal margin of shaft. Larger (2.9-3.2 mm).
E. acantha Ross & DeLong
109(98). Pygofer appendage distinctly curved downward at angle of about 45° or more from horizontal.
109'. Pygofer appendage straight in lateral view, or only slightly curved downward.
110(109). Pygofer lobe with rounded apex; appendage curved downward at angle of about 90°.
E. interna Beamer
110'. Pygofer lobe with angulate apex; appendage curved downward at angle of about 45°.
111(110). Pygofer appendage slightly extended beyond pygofer apex. Aedeagal shaft slender, without lateral lobes. Larger (2.9-3.1 mm).
111'. Pygofer appendage not extended beyond pygofer apex. Aedeagal shaft broader, with lateral lobes at base. Smaller (2.6-2.7 mm).
E. robusta Knull
112(111). Pygofer appendage abruptly curved downward at middle of its length. Aedeagal shaft shorter than preatrium.
E. metopia Ross
112'. Pygofer appendage evenly curved downward throughout its length. Aedeagal shaft about as long as preatrium.
E. patris Ross & DeLong
113(109). Pygofer appendage depressed in basal half, twisted at middle, and compressed distally, straight in dorsal and lateral view.
E. econa Ross
113'. Pygofer appendage, if straight, not twisted.
114(113). Pygofer appendage slightly curved downward in lateral view. Forewing with three narrow red crossbands.
E. alicia Ross
114'. Pygofer appendage straight or slightly curved upward in lateral view. Forewing with usual maculate color pattern.
115(114). Pygofer appendage straight. Forewing with oblique vittae forming continuous zigzag pattern.
E. zioni Beamer
115'. Pygofer appendage distinctly sinuate. Forewing with broken oblique vittae.
116(115). Aedeagal shaft round in crossection. Smaller (2.6-2.7 mm).
E. greeni Hepner
116'. Aedeagal shaft compressed. Larger (2.8-3.1 mm).
117(116). Aedeagal shaft with large lateral lobes at base, slightly curved dorsad.
E. lenta Beamer
117'. Aedeagal shaft without lateral lobes, straight in lateral view.
E. gilesi Hepner
118(91). Third point of style apex about as long as or longer than distance between other two points.
118'. Third point of style apex shorter than distance between other two points.
119(118). Aedeagal shaft distinctly compressed.
119'. Aedeagal shaft round in crossection or depressed.
120(119). Aedeagal shaft slender in lateral view (more than 3 times as long as wide). Pygofer appendage extended to pygofer apex.
120'. Aedeagal shaft broad in lateral view (less than 3 times as long as wide). Pygofer appendage extended beyond pygofer apex.
121(120). Third point of style apex about as long as distance between other two points, broad at base; angle between basal and third points of style about 90°.
E. maga Knull
121'. Third point of style apex much longer than distance between other two points, narrow throughout its length; angle between basal and third points of style less than 90°.
E. igella Ross & DeLong
122(120). Aedeagal shaft without lateral lobes, apex truncate in ventral view. Margin between first and second points of style apex convex.
E. stannardi Hepner
122'. Aedeagal shaft with lateral lobes, its apex acuminate in ventral view. Margin between first and second points of style apex straight or concave.
123(122). Apex of pygofer appendage strongly recurved in lateral view, distinctly denticulate.
E. trautmanae Knull
123'. Apex of pygofer appendage not recurved or only slightly recurved in lateral view.
124(123). Apex of pygofer appendage curved outward in dorsal view. Gonoduct separated from dorsal margin of aedeagal shaft by more than half shaft width.
E. rotunda Beamer
124'. Apex of pygofer appendage curved inward in dorsal view. Gonoduct separated from dorsal margin of aedeagal shaft by less than half shaft width.
E. knighti Beamer
125(119). Aedeagal shaft short and broad, not more that 1.5 times longer than wide in ventral view.
125'. Aedeagal shaft longer, more than 1.5 times longer than wide in ventral view.
126(125). Third point of style apex with broad base, triangular. Aedeagal shaft round in ventral view.
E. triangulata Beamer
126'. Third point of style apex narrow throughout its length.
127(126). Tip of aedeagal shaft abruptly bent dorsad at right angle and expanded. Forewing with large reddish patch.
E. corylorubra Knull
127'. Tip of aedeagal shaft not bent dorsad, usually not expanded.
128(127). Denticulate part of aedeagal shaft triangular in dorsal view, narrowing towards apex. Forewing usually with large red patches.
128'. Denticulate part of aedeagal shaft parallel sided or rounded in dorsal view. Forewing with usual maculate pattern.
129(128). Pygofer appendage curved downward. Forewing with single red patch.
E. fulleri Hepner
129'. Pygofer appendage curved inward. Forewing with two red patches.
E. rubranotata Beamer
130(128). Ventral margin of aedeagal shaft forming continuous line with preatrium. Pygofer appendage distinctly curved inward.
130'. Ventral margin of aedeagal shaft forming obtuse angle with preatrium. Pygofer appendage straight or only slightly curved in dorsal view.
131(130). Aedeagal shaft slender in lateral view, strongly expanded in ventral view, more than 2 times as broad as phallobase. Pygofer appendage evenly curved throughout its length.
E. citrosa Ross
131'. Aedeagal shaft broad in lateral view, only slightly expanded in ventral view, only slightly broader than phallobase. Pygofer appendages curved in distal third only.
E. clara Beamer
132(130). Pygofer appendage extended well beyond pygofer apex (at least 5 times of appendage width).
E. nimia Knull
132'. Pygofer appendage extended only slightly, if any, beyond pygofer apex.
133(132). Third point of style apex about as long as distance between other two points. Aedeagal shaft parallel sided in ventral view, round in crossection.
E. flexibilis Knull
133'. Third point of style apex considerably longer than distance between other two points. Aedeagal shaft swollen in ventral view, usually depressed.
134(133). Pygofer appendage slightly sinuate in distal third.
134'. Pygofer appendage not sinuate in distal third.
135(134). Third point of style apex more than 1.5 times as long as distance between other two points. Aedeagus without ventral hump.
E. certa Beamer
135'. Third point of style apex less than 1.5 times as long as distance between other two points. Aedeagus with ventral hump.
E. direpta Knull
136(134). Preatrium longer than aedeagal shaft. Smaller (2.4-2.7 mm).
136'. Preatrium about as long as aedeagal shaft. Larger (2.8-3.4 mm).
137(136). Pygofer appendage curved downward; pygofer lobe with angulate apex.
E. tersa Knull
137'. Pygofer appendage slightly curved inward, straight in lateral view; pygofer lobe with rounded apex.
E. dira Beamer
138(136). Pygofer appendage curved downward. Aedeagal shaft with ventral hump. Larger (3.2-3.4 mm).
E. luculenta Knull
138'. Pygofer appendage straight in lateral view, only slightly curved at tip. Aedeagal shaft without ventral hump. Smaller (2.8-3.2 mm).
E. fausta Knull
139(125). Aedeagal shaft with large usually denticulate lateral lobes reaching apex of shaft.
139'. Lateral lobes on aedeagal shaft, if present, not denticulate and not reaching apex of shaft.
140(139). Pygofer appendage compressed, apex curved downward.
140'. Pygofer appendage straight in lateral view.
141(140). Pygofer appendage sinuate in dorsal view, strongly denticulate. Clavus mostly red.
E. bella McAtee
141'. Pygofer appendage straight in dorsal view, if denticulate, only along ventral margin. Clavus with usual maculate pattern.
142(141). Pygofer appendage denticulate along ventral margin. Aedeagal shaft straight in lateral view. Smaller (2.5-2.8 mm).
E. coxi Ross & DeLong
142'. Pygofer appendage not denticulate. Aedeagal shaft slightly curved dorsad. Larger (2.9-3.1 mm).
E. torella Robinson
143(140). Preatrium shorter than aedeagal shaft. Angle between basal and third points of style apex about 45°.
E. tumida Knull
143'. Preatrium as long or longer than aedeagal shaft. Angle between basal and third points of style apex almost 90°.
144(143). Lateral lobes of aedeagal shaft without small teeth. Smaller (2.3 mm).
E. glicilla Ross
144'. Lateral lobes of aedeagal shaft with small teeth. Larger (2.9-3.4 mm).
145(144). Pygofer appendage compressed. Hind margin of mesonotum dark brown. Forewing with brown crossband at apex of clavus.
E. morgani DeLong
145'. Pygofer appendage not compressed. Hind margin of mesonotum pale.
146(145). Pygofer appendage sinuate basally, straight in distal half. Third point of style apex not longer than distance between other two points.
E. arta Beamer
146'. Pygofer appendage straight basally, slightly curved inward in distal half. Third point of style apex longer than distance between other two points.
147(146). Aedeagal shaft with lateral lobes widest at base of shaft. Mesonotum with dark brown apex. Forewing with brownish crossband.
E. hymettana Knull
147'. Aedeagal shaft with lateral lobes widest at middle of shaft. Mesonotum with reddish apex. Forewing with usual maculate pattern.
E. lawsoni Robinson
148(139). Pygofer appendage distinctly curved downward at angle of about 45° or more from horizontal.
E. continua Knull & Auten
148'. Pygofer appendage straight in lateral view, or only slightly curved downward.
149(148). Preatrium distinctly shorter than aedeagal shaft.
149'. Preatrium as long as or longer than aedeagal shaft.
150(149). Pygofer appendage distinctly sinuate.
E. valida Knull
150'. Pygofer appendage straight or slightly evenly curved.
151(150). Angle between basal and third points of style apex about 90°. Dorsal apodeme of aedeagus less than half as long as shaft.
E. pamelae Hepner
151'. Angle between basal and third points of style apex less than 90°. Dorsal apodeme of aedeagus more than half as long as shaft.
152(151). Angle between basal and third points of style apex less than 45°. Aedeagal shaft strongly curved dorsad.
E. protuma Ross
152'. Angle between basal and third points of style apex more than 45°. Aedeagal shaft straight or only slightly curved dorsad.
153(152). Aedeagal shaft round in crossection, dorsal margin sinuate naer apex in lateral view, with distinct lateral lobes.
E. havana Ross & DeLong
153'. Aedeagal shaft depressed, dorsal margin straight or evenly curved ventrad near apex in lateral view, parallel sided in dorsal view.
154(153). Pygofer appendage strongly extended beyond pygofer apex (at least 5 times of appendage width). Tip of aedeagal shaft curved ventrad. Larger (3-3.2 mm).
E. gemoides Ross
154'. Pygofer appendage not or only slightly extended beyond pygofer apex. Tip of aedeagal shaft straight in lateral view. Smaller (2.7-3 mm).
E. gemina McAtee
155(149). Dorsal apodeme of aedeagus not extended posterad along aedeagal shaft in lateral view.
155'. Dorsal apodeme of aedeagus extended posterad along aedeagal shaft in lateral view.
156(155). Aedeagal shaft round in crossection, straight in lateral view; dorsal apodeme expanded laterad.
E. malaca Knull
156'. Aedeagal shaft depressed, curved dorsad; dorsal apodeme not expanded laterad.
E. penesica Beamer
157(155). Aedeagal shaft depressed, without lateral lobes.
157'. Aedeagal shaft round in crossection or compressed, with lateral lobes at base.
158(157). Aedeagal shaft oval in ventral view, largely denticulate. Forewing with large reddish maculae.
E. parallela McAtee
158'. Aedeagal shaft parallel sided in ventral view, denticulate only at apex. Forewing with small reddish maculae.
E. severini Knull
159(157). Third point of style apex more than 1.5 times as long as distance between other two points. Aedeagal shaft slightly curved dorsad, with pointed apex in lateral view.
E. claroides Hepner
159'. Third point of style apex less than 1.5 times as long as distance between other two points. Aedeagal shaft straight in lateral view, with apex usually curved ventrad and truncate.
160(159). Pygofer appendage slightly curved upward and denticulate distally. Mesonotum with dark brown lateral triangles and apex. Forewing with fuscous crossband.
E. lunata McAtee
160'. Pygofer appendage straight or curved downward, not denticulate. Mesonotum with reddish lateral triangles and apex. Forewing with usual maculate color patter.
161(160). Aedeagal shaft narrowing towards apex in lateral view, slender. Third point of style apex longer than distance between other two points.
E. adunca Beamer
161'. Aedeagal shaft parallel sided in lateral view, stout. Third point of style apex not longer than distance between other two points.
E. curta Beamer
162(118). Aedeagal shaft strongly curved dorsad (> 45°).
162'. Aedeagal shaft straight or only slightly curved in lateral view.
163(162). Aedeagal shaft evenly curved in distal half, with large lateral lobes, without dorsal carina.
E. ballista Beamer
163'. Aedeagal shaft curved in basal half, straight in distal half, without lateral lobes, with large dorsal carina.
164(163). Pygofer appendage strongly sinuate. Third point of style curved.
E. rostrata Beamer
164'. Pygofer appendage straight. Third point of style straight.
E. penerostrata Beamer
165(162). Third point of style apex not longer than 1/3 distance between other two points.
165'. Third point of style apex longer than 1/3 distance between other two points.
166(165). Pygofer appendage straight or slightly curved outward in dorsal view.
166'. Pygofer appendage distinctly sinuate or curved inward in dorsal view.
167(166). Aedeagal shaft curved dorsad.
E. emquu Ross & DeLong
167'. Aedeagal shaft straight in lateral view or curved ventrad.
168(167). Aedeagal shaft compressed. Forewing with 3 narrow crossbands.
E. trivittata Robinson
168'. Aedeagal shaft round in crossection. Forewing without crossbands or with single crossband not reaching lateral margin of wing.
169(168). Pygofer appendage strongly extended beyond pygofer apex (at least 5 times of appendage width). Preatrium about as long as aedeagal shaft; dorsal apodeme short.
E. anseri Hepner
169'. Pygofer appendage only slightly, if any, extended beyond pygofer apex. Preatrium longer than aedeagal shaft; dorsal apodeme long.
170(169). Apex of aedeagal shaft curved ventrad. Third point of style apex not longer than 1/4 distance between other two points. Clavus often with red spot.
E. stoveri Ross & DeLong
170'. Apex of aedeagal shaft straight in lateral view. Third point of style 1/3 or more as long as distance between other two points. Forewing with usual maculate pattern.
E. campora Robinson
171(166). Aedeagal shaft depressed, broadened distally in ventral view.
E. spinifera Beamer
171'. Aedeagal shaft not depressed, parallel sided or narrowing towards apex in ventral view.
172(171). Dorsal apodeme of aedeagus not extended posterad along aedeagal shaft in lateral view, strongly extended laterad, rounded distally in dorsal view; shaft with denticulate lateral lobes.
E. comoides Ross & DeLong
172'. Dorsal apodeme of aedeagus extended well posterad along aedeagal shaft in lateral view; lateral lobes of aedeagus, if present, not denticulate.
173(172). Second point of style apex long and slender, about as long as third. Forewing with red zigzag pattern. Aedeagal shaft distinctly curved dorsad.
E. confirmata McAtee
173'. Second point of style apex shorter than third. Forewing with crossband or usual maculate pattern.
174(173). Pygofer appendage strongly extended beyond pygofer apex (at least 5 times of appendage width).
174'. Pygofer appendage only slightly, if any, extended beyond pygofer apex.
175(174). Aedeagal shaft distinctly compressed, broad in lateral view, without lateral lobes, denticulate throughout entire length.
E. phellos Ross & DeLong
175'. Aedeagal shaft round in crossection or only slightly compressed, slender in lateral view, usually with small lateral lobes, denticulate in distal half only.
176(175). Pygofer appendage strongly sinuate in dorsal view. Forewing usually with red crossband.
E. era McAtee
176'. Pygofer appendage only slightly sinuate in dorsal view. Forewing with usual maculate color pattern.
E. bigemina McAtee
177(174). Margin between first and second points of style apex convex. Aedeagal shaft compressed, slightly curved dorsad. Pygofer appendage sinuate near apex.
E. mensa Beamer
177'. Margin between first and second points of style apex straight or concave. Aedeagal shaft round in crossection, straight in lateral view. Pygofer appendage straight or evenly curved in distal half.
178(177). Angle between basal and third points of style apex about 90°. Preatrium not longer than aedeagal shaft. Forewing usually with crossband.
178'. Angle between basal and third points of style apex less than 90°. Preatrium distinctly longer than aedeagal shaft. Forewing with usual maculate color pattern.
179(178). Pygofer appendage compressed. Dorsal apodeme of aedeagus with truncate posterior margin. Forewing usually with brownish basal half.
E. basilaris Say
179'. Pygofer appendage round in crossection. Dorsal apodeme of aedeagus with prominent posterior margin. Forewing usually with narrow red crossband.
E. micheneri Hepner
180(178). Pygofer appendage round in crossection. Second point of style apex distinctly enlarged.
E. lucyae Hepner
180'. Pygofer appendage compressed. Second point of style apex not enlarged.
E. guicei Hepner
181(165). Aedeagal shaft very broad in ventral view, about as wide as long.
E. lundi Hepner
181'. Aedeagal shaft slender, longer than wide.
182(181). Tip of aedeagal shaft abruptly bent dorsad at sharp angle.
E. marra Beamer
182'. Tip of aedeagal shaft not bent dorsad.
183(182). Preatrium only half as long as aedeagal shaft. Pygofer appendage straight in basal 2/3, apex abruptly curved inward at right angle.
E. staminea Knull
183'. Preatrium as long as or longer than aedeagal shaft. Pygofer appendage not as above.
184(183). Pygofer appendage strongly curved downward at almost right angle, compressed. Forewing usually with darkened basal half.
E. unca Knull
184'. Pygofer appendage usually straight or only slightly curved downward. Forewing with different color pattern.
185(184). Pygofer appendage strongly sinuate near apex; apex curved upward in lateral view.
E. dumosa Beamer
185'. Pygofer appendage straight or evenly curved downward in lateral view.
186(185). Margin between first and second points of style apex cconvex. Forewing with continuous zigzag pattern.
E. ligata McAtee
186'. Margin between first and second points of style apex straight or concave. Forewing with usual maculate color pattern or with crossbands.
187(186). Aedeagal shaft with large lateral lobes reaching shaft apex.
187'. Lateral lobes of aedeagal shaft, if present, small, not reaching shaft apex.
188(187). Pygofer appendage compressed, abruptly narrowing near middle in lateral view. Lateral lobes of aedeagal shaft angulate.
E. contracta Beamer
188'. Pygofer appendage not compressed, evenly tapered towards apex. Lateral lobes of aedeagal shaft rounded.
E. vittata Knull & Auten
189(187). Angle between basal and third points of style apex about 45°.
E. biramosa Beamer
189'. Angle between basal and third points of style apex about 90°.
190(189). Pygofer appendage slightly curved outward in dorsal view.
190'. Pygofer appendage straight or curved inward in dorsal view.
191(190). Pygofer appendage abruptly curved down near middle length. Aedeagal shaft compressed.
E. smithi Ross
191'. Pygofer appendage straight in lateral view. Aedeagal shaft round in crossection.
E. campora Robinson
192(190). Pygofer appendage in dorsal view strongly sinuate basally, straight in distal half. Aedeagal shaft compressed.
E. prolixa Knull
192'. Pygofer appendage in dorsal view evenly curved or curved in distal half. Aedeagal shaft not compressed.
193(192). Pygofer appendage strongly curved inward in dorsal view, forming semicircle. Aedeagus in lateral view with dorsal apodeme extended more than half distance to apex of shaft.
E. teres Beamer
193'. Pygofer appendage curved less strongly inward in dorsal view. Aedeagus in lateral view with dorsal apodeme extended less than half distance to apex of shaft.
194(193). Second point of style apex well developed. Forewing with 3 narrow crossbands.
E. amethica Ross
194'. Second point of style apex small toothlike. Forewing without crossbands.
195(194). Pygofer appendage arising in basal third of dorsal margin of pygofer lobe.
195'. Pygofer appendage arising at middle of dorsal margin of pygofer lobe.
196(195). Third point of style apex short and broad, only twice as long as basal width. Smaller (2.8-2.9 mm).
E. tenuitas Knull
196'. Third point of style apex longer, more than 3 times longer than basal width. Larger (3-3.3 mm).
197(196). Preatrium longer than aedeagal shaft; shaft narrower than preatrium. Pygofer appendage almost straight in dorsal view.
E. haysensis Hepner
197'. Preatrium about as long as aedeagal shaft; shaft about as wide as preatrium. Pygofer appendage distinctly sinuate.
E. geronimoi Knull
198(195). Dorsal apodeme of aedeagus not extended posterad along aedeagal shaft in lateral view (only compressed anterior extension of dorsal appeme extended). Third point of style apex more than half as long as distance between other two points.
E. macra Beamer
198'. Dorsal apodeme of aedeagus well extended posterad along aedeagal shaft in lateral view. Third point of style apex not more than half as long as distance between other two points.
199(198). Pygofer appendage slightly compressed basally, distinctly sinuate in dorsal view, denticulate apically. Color pattern usual for genus.
E. socia Knull
199'. Pygofer appendage not compressed, straight in dorsal view, not denticulate. Vertex, pro-, and mesonotum usually with broad red stripe. Clavus with red spot at apex.
E. accola McAtee