abdominalis Kröber
Ataenogera
gracilis Kröber
Leptocera
Ziehenia
Ataenogera
A revision of the new world stiletto fly genus Ataenogera Kröber (Diptera: Therevidae: Phycinae) with the description of two new species
Hauser, Martin
Webb, Donald W.
Zootaxa
2007
1530
41
67
J7VK
Krober
Krober
[151,546,631,657]
Insecta
Therevidae
Ataenogera
Animalia
Diptera
4
45
Arthropoda
species
abdominalis
abdominalis Kröber(1914:32, male desc.), Malloch (1932:255, fem. desc.), Webb and Irwin (1989:37, sp. key; 1989:38, Figs. 1ant., 2 malehead, 3 max. palp., 4. wing, 5– 9male genit., 10 fem. abd., 11–12 fem. genit., 13– 15pupa; 1989:39, nom.; 1989:40, desc.; 1989:41, LT male desig., dist.), Irwin and Webb 1992:86, checklist; 1992:89, desc., dist.;1992:110, Fig. 1ant., Fig. 2max. palp., Fig. 3wing, Figs. 4– 7male genit., Fig. 8fem. abd., Figs. 9–10fem. genit.) ( Ataenogera). Typelocality Paraguay, San Bernardino. Lectotypemale in ZMHB. gracilis Kröber(1928:117, Fig. 22fem. ant., frons; 1928:118, desc., Fig. 23male and fem. abd.) ( Leptocera); Kröber (1929b:434)( Ziehenimyia, misspelling of Ziehenia); Kröber (1929a:172, dist.)( Ziehenimyia); Webb and Irwin (1989:39, syn. desig.), Irwin and Webb (1992:87, checklist)( Ataenogera). Typelocality Brazil, Paraná. Lectotypemale destroyed.
Diagnosis. Ataenogera abdominalisis similar to A. brevicornisin possessing lanceolate setae on male tergite 7 and sternites 5–8 and female sternites 5–7. Ataenogera abdominalisdiffers from A. brevicornisin having the frons dark reddish brown, glossy with gray pubescence on the dorsal half and dorsally and dorsolateral to the antennal bases ( Figs. 1–2); in lacking dorsocentral macrosetae; in having the forefemur dark reddish brown; and the male hypandrium glabrous ( Fig. 4). Redescription of male Variation (n=10) Body length 6.3–8.9, 7.8 mm. Head.Length 0.76–0.84, 0.80 mm. Eyes dichoptic, separated by distance greater than width of ocellar tubercle; ommatidia smaller dorsally and laterally. Frons ( Fig. 1) dark reddish brown, pubescence grey dorsally, white, dense dorsolateral and lateral to antennal base with ventromedial glossy triangle; setae white, short, dorsolateral to antennal base; area lateral to antennal base with small, black, pubescent spot. Antenna brown, apical two flagellomeres dark brown, pubescence light gray, antenna/head length 1.83–2.21, 1.94; scape length 0.32–0.40, 0.36 mm, width 0.10–0.12, 0.12 mm, length/width 2.8–4.0, 3.2, scape/pedicel length 3.6–4.8, 4.0, scape/flagellum width 0.6–0.9, 0.7, setae dark reddish brown, short, macrosetae dark reddish brown; pedicel length 0.08–0.11, 0.09 mm, width 0.09–0.14, 0.12 mm, length/width 0.57–0.92, 0.74; flagellum length 1.02–1.30, 1.11 mm, width 0.14–0.20, 0.17 mm, length/width 5.8–7.4, 6.5, flagellum/scape length 2.6–3.6, 3.1. Maxillary palpus setae white. Occipital setae white, absent dorsomedially, macrosetae absent.
Thorax.Macrosetae 2 np, 1 sa, 1 pa, 0 dc, 1 sc. Mesonotum dark reddish brown to black, pubescence gray; vittae dark brown separated by gray pubescence; setae white. Pleurae dark reddish brown, pubescence white, glossy on ventral half of anepisternum and anterior half of anepimeron; setae white across dorsal fourth of anepisternum and on laterotergite. Wing.Length 4.3–5.7, 4.9 mm, width 1.3–1.5, 1.5 mm, length/width 2.8–3.7, 3.3. Membrane pale smoky brown; pterostigma brown. Cell m3 generally closed, petiolate (occasionally open widely with M2 not reaching margin of wing). Halter dark brown, ventral surface of knob white. Legs.Coxa dark reddish brown, pubescence white, dense; setae white; apical macrosetae dark reddish brown, extending around anteroventral margin with 1–2 anteromedial macrosetae, hindcoxa with 1 posterolateral macroseta. Femora dark reddish brown, midfemora occasionally paler apically and across dorsal surface. Tibiae and tarsi dark brown. FIGURES 1–9. Ataenogera abdominalis.1. male frons. 2. female frons. 3. epandrium, cerci, hypoproct, ventral view. 4. hypandrium, gonocoxite, gonostylus, ventral view. 5. aedeagus, gonocoxite, gonostylus, dorsal view. 6. aedeagus dorsal view. 7. aedeagus ventral view. 8. aedeagus, lateral view. 9. female reproductive organs. Scale = 0.1 mm. Abbreviations: C = cercus, CSpD = common spermathecal duct, DA = dorsal apodeme, EA = ejaculatory apodeme, Epa = epandrium, F = furca, Gx = gonocoxite, GxA = gonocoxal apodeme, Gs = gonostylus, Hpt = hypoproct, H = hypandrium, Dp = distiphallus, Sp = spermatheca, VA = ventral apodeme. Abdomen.Dark reddish brown, glossy, tergites 2–4 with posterior margin whitish yellow; dorsal setae dark brown, short, white, elongate laterally on tergite 1 and across posterior margins of tergites 2–4; tergite 7 and sternites 5–8 with dark brown, lanceolate setae. Terminalia(MEI 121703). Epandrium ( Fig. 3) dark yellow; anterior margin truncate with lateral emargination; setae dark reddish brown. Hypoproct ventral view ( Fig. 3) attached laterally to sides of epandrium; setae scattered. Hypandrium ( Fig. 4) glabrous. Gonocoxite ventral view ( Fig. 4) broad, outer gonocoxal process short, setae brown posterolaterally; dorsal view ( Fig. 5) with aedeagus attached anteriorly to gonocoxal bridge. Gonostylus dorsal view ( Fig. 5) flattened dorsoventrally with broad lateral lobe and medial ridge. Aedeagus with dorsal apodeme ( Fig. 6) oval; ventral apodeme ( Fig. 7) bifurcate, anterior margin deeply emarginate; distiphallus ( Fig. 8) broadly curved ventrally. Redescription of female Similar to male except for following. Variation (n=10). Body Length 7.2–9.3, 8.0 mm. Head.Length 0.76–0.96, 0.89 mm. Eyes separated by distance greater than width of ocellar tubercle. Frons ( Fig. 2) with ocellar tubercle glossy. Antenna/head length 1.6–1.9, 1.7; scape length 0.32–0.46, 0.39 mm, width 0.10–0.13, 0.12 mm, length/width 2.7–3.8, 3.3, scape/pedicel length 3.3–5.8, 4.2, scape/flagellum width 0.71–0.93, 0.86; pedicel length 0.08–0.12, 0.09 mm, width 0.12–0.14, 0.13 mm, length/width 0.6–1.0, 0.7; flagellum length 0.94–1.10, 1.03 mm, width 0.12–0.14, 0.13 mm, length/width 6.7–8.3, 7.5, flagellum/ scape length 2.4–3.1, 2.7. Thorax. Wing.Length 5.5–6.7, 5.9 mm, width 1.5–1.8, 1.7 mm, length/width 3.2–3.7, 3.5. Cell m3 occasionally open slightly or open widely. Abdomen.Dark reddish brown, glossy, tergites 2–4 with posterior margin whitish yellow; dorsal setae dark brown, short, white elongate laterally on tergite 1 and across posterior margin of tergites 2–4; sternites 5– 7 with dark brown lanceolate setae. Terminalia(MEI 170082). Furca ( Fig. 9) triangular, anterior margin closed with broad anteromedial projection; length 0.40 mm, width 0.40 mm. Immature stages Unknown.
Distribution. Ataenogera abdominalisis known from Argentina, Bolivia, Brazil, and Paraguay( Fig. 56). Habitats and Phenology. Ataenogera abdominalishas been handnetted or collected in pan or Malaise traps in dry or moist washes and on dunes covered with Prosopissp. Adults have been collected from July through March.
Specimens examined. Typespecimens. Ataenogera abdominalisKröber was originally described based on three males labeled " Paraguay, San Bernardino, K.Fiebrig S.V." without designating a holotype. Webb and Irwin (1989)designated a lectotype(MEI 005759) based on an examination of two syntypespecimens borrowed from the ZMHB. The lectotypeand paralectotypewere lost during transport to the ZMHB. Therefore the third syntypemale (ZMHB) is here designated as the lectotype. The lectotypedesignation is in order to fix the concept of A. abdominalisand to ensure universal and consistent interpretation of this species. The lectotypemale of Leptocera gracilisKröberwas also lost during transport to the MLUH, but because this species is a synonym of A. abdominalisit is not necessary to designate a neotype. Other specimens. ARGENTINA. CATAMARCA.Trampasacha, 8 kmW Chumbicha [-28.8328, -66.3048], 25.X–12.XI.2003, MEI, FDP, 1♂MEI 170088 (MEIC); 17 kmNW Chumbicha [-28.751, -66.348], 1143m, 25. VII.1971, 1Ψ MEI 0 0 5735 (MEIC); 2 kmN Belén, Quebrada Belén [-27.616, -67.013], 1094m, 17–19.X.1997, MEI, FDP, Roig, S., 2♂MEI 106810, 108156 (MEIC), Malaise trap in dry hillside ravine; Andalgal [-27.58, -66.32], 25.X.1972, Bohart, G.E., 1Ψ MEI 0 0 8158 (EMUS); Sierra de Ambato, 18 kmNW Chumbicha, Hwy 60 [-28.803, - 66.389], 950m, 5–6.IX.1999, MEI, FDP, 2♂MEI 119675, 119707 (MEIC), Malaise trap in steep ravine; 13.IX.1999, FDP, MEI, 1♂MEI 122752(MEIC), pan trap in dry riverbed; 14 kmN Estación Alpasinche [- 28.192, -67.135], 1119m, 16–19.X.1997, MEI, FDP, Roig, S., 1♂MEI 106330, 1Ψ 108157 (BMNH), Malaise in dry wash; 20 kmN Andalgala [-27.401, -66.316], 27.XII.1971, Brothers, D.J., Vuillemier, B.S., 1♂MEI 0 0 7076, 1Ψ 0 0 7074 (INHS); 11 kmS Palo Labrado [-28.428, -65.634], 668m, 24.X–12.XI.2003, MEI, FDP, 13♂MEI 167808–12, 167816, 167819–21, 167824–5, 167829, 167832, 6Ψ 167813, 167815, 167817–18, 167828, 167831 (MEIC), Malaise; 16 kmS Catamarca, Coneta [-28.568, -65.879], 554m, 25.X.2003, MEI, FDP, 2♂MEI 170084 (ZMHB), 170085 (MLUH), 2Ψ 170082 (ZMHB), 170083 (MLUH); 25.X–12.XI.2003, 43♂MEI 167863, 167865–906, 32Ψ MEI 167830, 167833–62, 167864 (MEIC), Malaise trap in dry wash; 28 kmSE Tinogasta [-28.245, -67.456] 1100m, 15–19.X.1997, MEI, FDP, Roig, S., 2♂MEI 106805–6, 1Ψ 107023 (USNM), Malaise trap dunes; 23 kmS La Merced, Palo Labrado [-28.332, -65.619], 734m, 23– 25.X.2003, MEI, FDP, 1♂MEI 170081, 1Ψ 0 78995 (MEIC), Malaise in dry wash; 24.X–12. XI.2003, 20♂ MEI 164114–21, 164128–30, 167780, 167788, 167801–7, 20Ψ 164137–47, 167744, 167768, 167774, 167778, 167785, 167794, 167796, 167798, 167800 (MEIC), Malaise in dry wash; 4 kmW Chumbicha [- 28.856, -66.269], 440m, 13–15.IX.1999, MEI, FDP, 1♂MEI 124662 (MEIC), Malaise; 8 kmW Chumbicha, Trampasacha [-28.833, -66.305], 650m, 25.X–12.XI.2003, MEI, FDP, 5♂MEI 167814, 167822–3, 167827, 170088, 1Ψ 167826 (MEIC), Malaise in damp wash; 17 kmNW Chumbicha [-28.751, -66.348], 1143m, 25.VII.1971, Pearson, C.A., 1Ψ MEI 0 0 5735 (CUIC); San Pablo [-28.697, -66.043], 712m, 24.X–12.XI.2003, MEI, FDP, 9♂MEI 164871 (CUIC), 164872 (CNC), 166929–31, 166933–6 (MEIC), 9Ψ 165130 (CNC), 166932 (CRIC), 166937, 166952–4, 166956, 166963, 166965 (MEIC), Malaise in small dry wash; 12.XI.2003, MEI, FDP, 2♂MEI 161650–1 (MEIC). LA RIOJA.La Rioja [-29.408, -64.858], –.1928, collector?, 1Ψ MEI 0 0 5734 (IMLA); Sierra de Argañaraz, El Rocillo [-31.207, -66.713], 722m, 11–22.X.1997, MEI, FDP, Roig, S., 1♂MEI 108159, 1Ψ 108158 (MEIC), Malaise trap in wash with some water; 22.X.1997, MEI, FDP, Roig, S., 6♂MEI 106811–16 (MEIC), pan trap in wash with some water; Penaloza, R.V., east base of Sierra de Argañaraz [-31.221, -66.728], 610 m, 11–23.X.1997, MEI, FDP, Roig, S., 2Ψ MEI 107020–1 (MEIC), Malaise trap in wet spot in wash; Penaloza, R.V., Sierra de Argañaraz, 1 kmW El Rocillo [-31.207, - 66.714], 716 m, 22.X.1997, MEI, FDP, Roig, S., 4♂MEI 106803–4, 106807–8, 2Ψ MEI 107029–30 (MEIC), Malaise trap Malaise in dry canyon. MENDOZA.Nacunan [-34.05, -67.967], –. I–II.1997, Debandi, G., 1♂MEI 106817 (CRIC); Lavalle, [-32.382, -68.055], 10–23.X.1997, MEI, FDP, Roig, S., 1Ψ MEI 108150 (MEIC), Malaise trap, inland dunes. SALTA. 10 kmS Cafayate [-26.151, -65.955], 1644m, 22–26.X.2003, MEI, FDP, 1♂MEI 170089 (MEIC), Malaise in Prosopissp. covered dunes; 26.X–13. XI.2003, 15♂ MEI 164122–7, 164131–6, 166412, 170086–7, 3Ψ 164145, 161652, 170091 (MEIC), Malaise in Prosopissp. covered dunes; 13.XI.2003, MEI, 1Ψ MEI 161652 (MEIC), Prosopissp. covered dunes; 48 kmN Cafayate [-25.84, -65.703], 1408m, 26.X–13.XI.2003, MEI, FDP, 2♂MEI 165110, 170090, 1Ψ 172223 (MEIC), Malaise trap in small wash; 8 kmN La Vina [-25.396, -65.545], 1171m, 22–26.X.2003, MEI, FDP, 25♂MEI 172198–222, 33Ψ 172224–56 (MEIC), Malaise trap in dry wash; Yachacuva, 12.XII.1975, Bohart, R.M., 1♂MEI 0 0 7075 (INHS). SAN JUAN.Caucete, 13 kmWSW Marayes [-31.556, -67.434], 10–23.X.1997, MEI, FDP, Roig, S., 2♂MEI 106809, 108155, 15Ψ107022 107024–8, 107031, 107034–40, 108151 (MEIC), Malaise trap; 23.X.1997, MEI, 1Ψ MEI 107032 (MEIC). SAN LUIS.Santa Rosa [-32.342, -65.199], 15.XI.1951, Duret, 1♂MEI 118141 (MNHN). SANTIAGO DEL ESTERO. Near Icaño [-28.683, -62.9], –.1909, Wagner, E.R., 1Ψ MEI 118153 (MNHN). TUCUMAN.Amaichá [Amaichá del Valle] [-26.6, -65.917], 16.XI.1966, Stange, L.A., 1♂MEI 0 0 5732 (IMLA). BOLIVIA. BENI.Opposite Costa Marques ( Brazil), Rio Itenez [-12.478, -64.231], 30– 31.VIII.1964, Bouseman, Lussenhop, 1Ψ MEI 0 0 5738 (AMNH); 1–3. IX.1964, 1Ψ MEI 0 0 5736 (AMNH); 4– 6. IX.1964, 1♂ MEI 0 0 5737 (AMNH); Rio Itenez, Pampa de Meio, 11–13.IX.1964, Bouseman, Lussanhop, 1Ψ, MEI 0 0 5739 (AMNH). SANTA CRUZ.Rio Seco [-18.664, -63.24], 610 m, 18.VIII–2.IX.2000, MEI, Hauser, M., 3♂MEI 121716–8 (MEIC), Malaise trap; 11 kmN Boyuibe [-20.39, -63.373], 884m, 28.II– 6.III.1999, MEI, FDP, 3Ψ, MEI 125341, 110566–7 (MEIC), Malaise trap; San José de Chiquitos [-17.833, - 60.783], 14.X.2000, Partin, S., 3♂MEI 129035–6, 129039, 3Ψ 129040–2 (MEIC); 20 kmS Camiri [-20.183, -63.473], 1082 m, 4.III.1999, MEI, FDP, 1♂MEI 111744(MEIC), Malaise trap; 20 kmS Camiri, Quebrada Isiri [-20.174, -63.479], 865m, 18.VIII–2.IX.2000, MEI, Hauser, M., 82♂MEI 118743, 118747–8, 118753–4, 118757, 118759–61, 118763, 118767–70, 118775, 118777–9, 118781, 118785–8, 118790, 118794–5, 118797, 118799–800, 118802–6, 118808–11, 118814–5, 118817–8, 118820, 118822, 118824, 118829–30, 118832, 118834–5, 118846–9, 119717, 119719–20, 119722, 119724, 119741, 119743–4, 119746–7, 119750–1, 119753–4, 119757–8, 119773–7, 119779, 119781, 119784–5, 119787–8, 119790, 64Ψ 118740–2, 118744–6, 118749–52, 118755–6, 118758, 118762, 118764–6, 118771–4, 118776, 118780, 118782–4, 118789, 118796, 118798, 118801, 118812–3, 118816, 118819, 118821, 118823, 118825–8, 118831, 118833, 118845, 119716, 119718, 119721, 119723, 119725–6, 119740, 119742, 119745, 119748–9, 119752, 119755–6, 119772, 119778, 119780, 119782–3, 119786, 119789 (MEIC), Malaise trap; 2.IX.2000, Hauser, M., 1Ψ MEI 121727(INHS); 12 kmW Boyuibe [-20.384, -63.404], 890m, 18.VIII–2.IX.2000, MEI, Hauser, M., 3♂MEI 121186, 121304, 121312, 4Ψ 121169, 121194, 121319, 121322(CSCA), Malaise trap; 24 kmS Camiri [-20.197, 63.476], 1082m, 4.III.1999, MEI, FDP, 32♂MEI 111742–3, 121679–80, 121688–715, 16Ψ 121687, 121719– 26, 121728–34 (MEIC), Malaise trap. BRAZIL. PARANA.–.XII.–, 1♂MEI 0 0 5741, 1Ψ 0 0 57422 (MULH, Lectotypespecimen destroyed). PARAGUAY. CORDILLERA.San Bernardino [-25.265, -57.316], Fiebrig, K., 3♂MEI 005759–61 (ZMHB, Lectotypespecimen destroyed). NUEVA ASUNCION.Teniente Encisco National Park [-21.217, -61.65], 26–28.III.1986, Pogue, M., Solisa, M., 1Ψ MEI 0 0 9269 (USNM). SAN PEDRO.Cororo, Rio Ypane, [-23.467, -56.518], 1–4.XII.1983, Wasbauer, M., 1Ψ MEI 0 72551 (CSCA), Malaise trap.