Review of the species of New World Erythroneurini
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Description: Length 2.8–3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe rounded; appendage simple, compressed, extended to pygofer apex, straight in dorsal and lateral view, widest at base. Second point of style apex very short, toothlike; third point elongate, longer than half distance between other two points; angle between basal and third points more than 90°. Aedeagus with preatrium about as long as shaft; shaft straight and slender in lateral view, round in crossection, denticulate distally; apex truncate in ventral view; basal processes arising near midlength of shaft, flattened and evenly divergent; distal processes absent. Coloration usual for genus, color pattern in distal part of forewing brighter. Type locality: Holotype *, USA, Georgia, DeKalb Co., Decatur, 25 IV 1934 (Auten), (OSU). Distribution: South of central and southeastern USA. Host plants: Quercus prinus. 54. Eratoneura spinea (Knull, 1951) (Fig. 54, Plate 4m) Erythroneura spinea Knull, 1951b:172 Erythroneura (Eratoneura) spinea Young, 1952b:120 Eratoneura spinea Dietrich & Dmitriev, 2006a:138 Description: Length 2.8–3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes small, narrow, extended dorsomesad. Pygofer lobe rounded; appendage simple, compressed, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved upward in lateral view, widest at middle, denticulate ventrally. Second point of style apex very short, toothlike; third point elongate, about as long as distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium shorter than shaft; shaft curved ventrad, broad in lateral view, compressed, denticulate distally, with lateral lobes at base, without processes; apex acuminate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Iowa, Story Co., Ames, 1 VII 1895 (Ball), (OSU). Distribution: North of central USA. Host plants: Acer saccharum. 55. Eratoneura rotunda (Beamer, 1931) (Fig. 55, Plates 1h, 4n) Erythroneura rotunda Beamer, 1931d:288 Erythroneura (Eratoneura) rotunda Young, 1952b:87 Eratoneura rotunda Dietrich & Dmitriev, 2006a:138 Description: Length 2.8–3 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes small, narrow, extended dorsomesad. Pygofer lobe rounded; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved downward in lateral view, widest at base or at middle. Second point of style apex very short, toothlike; third point elongate, longer than distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium about as long as shaft; shaft straight and broad in lateral view, compressed, denticulate distally, with dorsal carina, with lateral lobes at base, without processes; apex acuminate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Illinois, Johnson Co., 30 III 1929 (Oman), (KSEM). Distribution: Central USA, one male recorded from west Texas. Host plants: Acer saccharum. 56. Eratoneura nigriventer (Beamer, 1931) (Fig. 56, Plate 4o) Erythroneura nigriventer Beamer, 1931a:134 Erythroneura (Eratoneura) nigriventer Young, 1952b:87 Eratoneura nigriventer Dietrich & Dmitriev, 2006a:137 Description: Length 2.6–2.8 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes small, narrow, extended dorsomesad. Pygofer lobe rounded; appendage simple, flattened, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved downward in lateral view, widest at middle. Second point of style apex very short, toothlike; third point elongate, longer than distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium longer than shaft; shaft curved dorsad, broad in lateral view, round in crossection, denticulate distally, without lateral lobes of processes; apex blunt in ventral view. Coloration usual for genus, abdomen with dark venter and dorsum. Type locality: Holotype *, USA, Illinois, Johnson Co., 30 III 1929 (Beamer), (KSEM). Distribution: Central and northeastern USA. Host plants: Betula nigra. 57. Eratoneura stupkaorum (Knull, 1945) (Fig. 57, Plate 4p) Erythroneura stupkaorum Knull, 1945b:104 Erythroneura (Eratoneura) stupkaorum Young, 1952b:88 Eratoneura stupkaorum Dietrich & Dmitriev, 2006a:138 Description: Length 3.1–3.3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe rounded; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved upward in lateral view, widest at middle, denticulate. Second point of style apex very short, toothlike; third point elongate, about as long as distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium longer than shaft; shaft curved ventrad, broad in lateral view, depressed, denticulate distally, with lateral lobes at base, without processes; apex truncate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Tennessee, Sevier Co., Great Smoky Mountain National Park, 5000 to 6000 ft., 14 IV 1942 (Knull), (OSU). Distribution: Tennessee, Ohio. Host plants: Unknown. 58. Eratoneura usitata (Beamer, 1932) (Fig. 58, Plate 4q) Erythroneura usitata Beamer, 1932a:14 Erythroneura (Eratoneura) usitata Young, 1952b:88 Eratoneura usitata Dietrich & Dmitriev, 2006a:139 Description: Length 3–3.2 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe rounded; appendage simple, extended to pygofer apex, straight in dorsal and lateral view, widest at middle, denticulate at apex. Second point of style apex very short, toothlike; third point elongate, longer than distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium about as long as shaft; shaft curved dorsad, slender in lateral view, depressed, denticulate distally; with lateral lobes, without processes; apex blunt in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Illinois, Johnson Co., 30 III 1929 (Beamer), (KSEM). Distribution: Central and eastern USA. Host plants: Platanus occidentalis. Notes: The holotype was collected on 30 III 1929, not on 3 III 1929 as stated in the original publication. 59. Eratoneura incondita (Beamer, 1932) (Fig. 59, Plate 4r) Erythroneura incondita Beamer, 1932a:16 Erythroneura (Eratoneura) incondita Young, 1952b:87 Eratoneura incondita Dietrich & Dmitriev, 2006a:136 Description: Length 2.6–2.8 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes small, narrow, extended dorsomesad. Pygofer lobe rounded; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal and lateral view, widest at middle, denticulate distally. Second point of style apex very short, toothlike; third point elongate, as long as distance between other two points or shorter; angle between basal and third points less than 90°. Aedeagus with preatrium about as long as shaft; shaft straight and slender in lateral view, depressed, denticulate distally, with lateral lobes at base, without processes; apex blunt in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Illinois, Johnson Co., 30 III 1929 (Beamer), (KSEM). Distribution: North of central USA. Host plants: Acer saccharum. 60. Eratoneura ingrata (Beamer, 1932) (Fig. 60, Plate 4s) Erythroneura ingrata Beamer, 1932g:160 Erythroneura (Eratoneura) ingrata Young, 1952b:87 Eratoneura ingrata Dietrich & Dmitriev, 2006a:136 Description: Length 3–3.2 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe angulate; appendage simple, compressed, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved downward in lateral view, widest at middle, denticulate distally. Second point of style apex very short, toothlike; third point elongate, longer than distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium longer than shaft; shaft straight and slender in lateral view, depressed, denticulate distally, with lateral lobes, without processes; apex blunt in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Illinois, Gallatin Co., 30 III 1929 (Oman), (KSEM). Distribution: Central and eastern USA, southeastern Canada. Host plants: Platanus occidentalis. 61. Eratoneura arenosa (Ross & DeLong, 1950) (Fig. 61, Plate 4t) Erythroneura arenosa Ross & DeLong, 1950a:295 Erythroneura (Eratoneura) arenosa Young, 1952b:120 Eratoneura arenosa Dietrich & Dmitriev, 2006a:134 Description: Length 2.4–2.8 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe rounded; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved downward in lateral view, widest at middle, denticulate. Second point of style apex very short, toothlike; third point elongate, longer than half distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium about as long as shaft; shaft straight and broad in lateral view, compressed, denticulate distally, with dorsal carina, with lateral lobes at base, without processes; apex blunt in ventral view, abruptly bent dorsad. Coloration usual for genus. Type locality: Holotype *, USA, Illinois, Cook Co., Thornton, on Corylus americana, 7 IX 1949 (Ross & Stannard), (INHS). Distribution: North central USA. Host plants: Corylus americana. 62. Eratoneura uncinata (Beamer, 1931) (Fig. 62, Plate 4u) Erythroneura uncinata Beamer, 1931b:242 Erythroneura (Eratoneura) uncinata Young, 1952b:88 Erythroneura doeringae Hepner, 1975a:7, syn.n. Eratoneura uncinata Dietrich & Dmitriev, 2006a:139 Description: Length 2.4–2.6 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes small, narrow, extended dorsomesad. Pygofer lobe rounded; appendage simple, compressed, extended beyond pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle. Second point of style apex very short, toothlike; third point elongate, longer than half distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium about as long as shaft; shaft straight and broad in lateral view, depressed, denticulate distally, with lateral lobes at base, without processes; apex broadened in ventral view, sharply bent dorsad. Coloration usual for genus. Type locality: Holotype *, USA, Kansas, Leavenworth Co., 28 IV 1928 (Beamer), (KSEM). Distribution: Central USA. Host plants: Corylus americana. Notes: The holotype was collected on 28 IV 1928, not on 4 IV 1928 as stated in the original publication. 63. Eratoneura arpegia (Ross, 1957) (Fig. 63, Plate 4v) Erythroneura arpegia Ross, 1957a:188 Eratoneura arpegia Dietrich & Dmitriev, 2006a:134 Description: Length 3–3.2 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, extended beyond 3S posterior margin. Pygofer lobe angulate; appendage simple, compressed in distal half, extended beyond pygofer apex, distinctly sinuate in dorsal view, curved downward in lateral view, widest at middle, denticulate. Second point of style apex well developed; third point not longer than half distance between other two points; angle between basal and third points about 90°. Aedeagus with preatrium about as long as shaft; shaft curved ventrad, broad in lateral view, compressed, denticulate distally, with lateral lobes at base, without processes; apex blunt in ventral view. Mesonotum dark brown, forewing without oblique vittae, with 3 narrow crossbands Type locality: Holotype *, USA, Illinois, Adams Co., N. Kinderhook, on Quercus imbricaria, 9 IX 1954 (Ross & Stannard), (INHS). Distribution: Central USA. Host plants: Quercus imbricaria. 64. Eratoneura propria (Beamer, 1932) (Fig. 64, Plate 4w) Erythroneura propria Beamer, 1932a:13 Erythroneura (Eratoneura) propria Young, 1952b:87 Eratoneura propria Dietrich & Dmitriev, 2006a:137 Description: Length 2.8–3 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes small, narrow, extended dorsomesad. Pygofer lobe angulate; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle, denticulate. Second and third points of style apex very short, toothlike. Aedeagus with preatrium as long as shaft or shorter; shaft straight and broad in lateral view, compressed, denticulate distally, without lateral lobes or processes; apex acuminate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Kansas, Leavenworth Co., 28 IV 1928 (Beamer), (KSEM). Distribution: Central and eastern USA. Host plants: Quercus chapmanii, Q. stellata, Q. prinus, Q. marilandica, Q. myrtifolia, and other species of Quercus. 65. Eratoneura brevipes (Beamer, 1931) (Fig. 65, Plate 5a) Erythroneura brevipes Beamer, 1931a:133 Erythroneura (Eratoneura) brevipes Young, 1952b:86 Eratoneura brevipes Dietrich & Dmitriev, 2006a:134 Description: Length 2.8–3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, extended beyond 3S posterior margin. Pygofer lobe angulate; appendage simple, compressed, extended beyond pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle. Second and third points of style apex very short, toothlike. Aedeagus with preatrium about as long as shaft; shaft curved dorsad, broad in lateral view, compressed, denticulate distally, without lateral lobes or processes; apex acuminate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Oklahoma, Le Flore Co., on Quercus sp., 24 V 1928 (Beamer), (KSEM). Distribution: Central and eastern USA, southeastern Canada. Host plants: Quercus marilandica, Q. nigra, Q. macrocarpa, Q. stellata, and other species of Quercus. 66. Eratoneura turgida (Beamer, 1931) (Fig. 66, Plate 5b) Erythroneura turgida Beamer, 1931b:243 Erythroneura (Eratoneura) turgida Young, 1952b:88 Erythroneura ratcliffensis Hepner, 1966a:85, syn.n. Eratoneura turgida Dietrich & Dmitriev, 2006a:139 Description: Length 2.8–3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe rounded; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle. Second point of style apex very short, toothlike; third point not longer than half distance between other two points; angle between basal and third points about 90°. Dorsal apodeme of aedeagus triangular, without sclerotized connection to anal tube or pygofer appendages; preatrium about as long as shaft; shaft curved dorsad, slender in lateral view, round in crossection, denticulate distally, with lateral lobes at base, without processes; apex truncate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Kansas, Anderson Co., 26 XI 1927 (Beamer), (KSEM). Distribution: Central and eastern USA. Host plants: Carya glabra, C. tomentosa, C. carolinae-septentrionalis, C. aquatica, C. ovata, and other species of Carya. 67. Eratoneura delongi (Knull & Auten, 1937) (Fig. 67, Plate 5c) Erythroneura delongi Knull & Auten, 1937a:574 Erythroneura (Eratoneura) delongi Young, 1952b:86 Erythroneura paluloides Ross, 1953b:189, syn.n. Eratoneura delongi Dietrich & Dmitriev, 2006a:135 Description: Length 3–3.3 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes large, broad, extended beyond 3S posterior margin. Pygofer lobe angulate; appendage simple, compressed in distal half, extended to pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle. Second and third points of style apex very short, toothlike. Aedeagus with preatrium about as long as shaft; shaft straight and slender in lateral view, compressed, denticulate distally; with lateral lobes, without processes; apex blunt in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Georgia, DeKalb Co., Decatur, Agnes Scott College Campus, on Cryptomeria japonica, 17 IV 1934 (Auten), (OSU). Distribution: Central and southeastern USA. Host plants: Quercus nigra, Q. palustris, Q. laurifolia, and other species of Quercus. 68. Eratoneura immota (Beamer, 1932) (Fig. 68, Plate 5d) Erythroneura immota Beamer, 1932a:16 Erythroneura (Eratoneura) immota Young, 1952b:87 Eratoneura immota Dietrich & Dmitriev, 2006a:136 Description: Length 2.9–3.1 mm. Forewing outer apical cell about 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe angulate; appendage simple, compressed in distal half, extended beyond pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle. Second and third points of style apex very short, toothlike. Aedeagus with preatrium longer than shaft; shaft curved ventrad, slender in lateral view, compressed, denticulate distally, with lateral lobes at base, without processes, apex acuminate in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Texas, Bowie Co., 16 VIII 1928 (Beamer), (KSEM). Distribution: Central and southeastern USA. Host plants: Quercus phellos, Q. laurifolia, Q. nigra, and other species of Quercus. Notes: The holotype was collected on 16 VIII 1928, not on 8 VIII 1928 as stated in the original publication. 69. Eratoneura tantilla (Beamer, 1931) (Fig. 69, Plate 5e) Erythroneura tantilla Beamer, 1931d:285 Erythroneura (Eratoneura) tantilla Young, 1952b:88 Erythroneura freytagi Hepner, 1966a:83, syn.n. Erythroneura amboyensis Hepner, 1972a:431, syn.n. Erythroneura alveyi Hepner, 1972c:269, syn.n. Erythroneura atkinsoni Hepner, 1972c:270, syn.n. Eratoneura tantilla Dietrich & Dmitriev, 2006a:138 Description: Length 3–3.3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, extended beyond 3S posterior margin. Pygofer lobe angulate; appendage simple, extended beyond pygofer apex, distinctly sinuate in dorsal view, straight in lateral view, widest at middle, denticulate distally. Second point of style apex very short, toothlike; third point not longer than half distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium longer than shaft; shaft straight and slender in lateral view, round in crossection, denticulate distally, with lateral lobes at base, without processes; apex blunt in ventral view. Coloration usual for genus. Type locality: Holotype *, USA,, Kansas, Anderson Co., 26 XI 1927 (Beamer), (KSEM). Distribution: Central and southeastern USA. Host plants: Quercus stellata, Q. macrocarpa, Q. phellos, Q prinus, and other species of Quercus. Notes: Taxa here treated as synonyms appear to represent intraspecific variation in the shape of the pygofer appendage, style, and aedeagus (Fig. 69). 70. Eratoneura sorota (Hepner, 1975) (Fig. 70, Plate 5f) Erythroneura sorota Hepner, 1975a:5 Eratoneura sorota Dietrich & Dmitriev, 2006a:138 Description: Length 2.8–3 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe angulate; appendage simple, extended to pygofer apex, distinctly sinuate in dorsal view, curved downward in lateral view, widest at middle, denticulate. Second point of style apex very short, toothlike; third point not longer than half distance between other two points; angle between basal and third points less than 90°. Aedeagus with preatrium about as long as shaft; shaft straight and slender in lateral view, round in crossection, denticulate distally, with lateral lobes at base, without processes; apex blunt in ventral view. Coloration usual for genus. Type locality: Holotype *, USA, Illinois, Clinton Co., Carlyle, on Carya ovata, 15 VIII 1951 (Ross & Stannard), (INHS). Distribution: Central USA. Host plants: Carya illinoinensis, C. ovata, and C. aquatica. 71. Eratoneura solita (Beamer, 1932) (Fig. 71, Plate 5g) Erythroneura solita Beamer, 1932a:14 Erythroneura (Eratoneura) solita Young, 1952b:87 Eratoneura solita Dietrich & Dmitriev, 2006a:138 Description: Length 2.9–3.2 mm. Forewing outer apical cell elongate, more than 2X as long as wide. 2S abdominal apodemes large, broad, reaching 3S posterior margin. Pygofer lobe rounded; appendage simple, not extended to pygofer apex, straight or very slightly curved in dorsal view, curved downward in lateral view, widest at base. Second point of style apex very short, toothlike; third point elongate, longer than half distance between other two points; angle between basal and third points about 90°. Aedeagus with preatrium longer than shaft; shaft straight and slender in lateral view or slightly curved ventrad, round in crossection, denticulate distally, with lateral lobes at base, without processes; apex blunt in ventral view. Coloration usual for genus. |