Ommatius ampliatus, Scarbrough, 2002
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publication ID |
https://doi.org/ 10.11646/zootaxa.5352.4.3 |
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publication LSID |
lsid:zoobank.org:pub:460F0F1C-9415-48AB-BCAB-875A0005A981 |
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DOI |
https://doi.org/10.5281/zenodo.8435237 |
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persistent identifier |
https://treatment.plazi.org/id/D20787A1-FFB6-FFEA-FF13-F9BAFA5FC1CD |
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treatment provided by |
Plazi |
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scientific name |
Ommatius ampliatus |
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Key to the species of the ampliatus View in CoL group (modified from Scarbrough 2002)
1. Hind femur mostly to entirely brown to black, sometimes basal third to two-thirds yellow to reddish yellow posteriorly (Figs 1–2, 11, 16, 26, 31, 41, 46–47)........................................................................... 2
1’. Hind femur more extensively yellow, posterior usually mostly yellow to brownish yellow or reddish, apex brown to black..................................................................................................... 21
2. Hind femur with all or most anteroventral macrosetae brown or black, 3–4 basal posteroventral macrosetae often yellow... 3
2’. Hind femur with most anteroventral macrosetae yellow or white, 1–3 anteroventral macrosetae and 3–5 posteroventral macrosetae sometimes brown or black ( Figs 2 View FIGURES 1–10 , 47 View FIGURES 46–52 )........................................................... 8
4. Scutellum with 2 marginal macrosetae; female hind femur slender; female S8 with a large shiny spot laterally, median dorsal stripe and narrow margins with dense pruinosity ( Ecuador)............................ O. depressus Scarbrough, 2002 .
4’. Scutellum with 3 marginal macrosetae; female hind femur wider; female S8 entirely sparse pruinose ( Guyana)...................................................................................... O. constrictus Scarbrough, 2002 .
5. Mid femur mostly yellow posteriorly, apex brown or black.................................................... 6
5’. Mid and hind femora brown to black, narrow base sometimes yellow............................................ 7
6. Mid tibia bent preapically, stout macrosetae present; hind tibia with macrosetae often arising from apical tubercles; T9+10 straight at anterior margin; spermatheca oval ( Venezuela).............................. O. bullatus Scarbrough, 2002 .
6’. Mid and hind tibiae normal, without unusually stout macrosetae arising from apical tubercles; T9+10 with a U indentation with lateral small processes at anterior margin; spermatheca rounded ( Brazil).......... O. aubreyi Vieira, Bravo & Rafael, 2011 .
7. Fore femur mostly yellow; dorsal apical third of epandrium with abrupt, deep emargination, crescent-shaped, apex acutely pointed; gonocoxite with 3–4 setae; gonostylus with two apical processes; phallus tubular, strongly curved dorsally, apex well beyond parameral sheath; female S8 with medioapical margin broadly truncate; spermatheca parabolical ( Costa Rica)................................................................................... O. lunatus Scarbrough, 2002 .
7’. Fore femur mostly black; apical third of epandrium narrow, dorsal margin angled posteriorly to pointed apex; gonocoxite with 1 long thick macroseta; gonostylus narrow, acutely angled apically; phallus with apex beyond parameral sheath; female S8 with medioapical margin produced, corners rounded, spermatheca obovate ( Venezuela)............ O. ayalai Scarbrough, 2002 .
8. Fore and mid femora brown to black, narrow base sometimes red or yellow ( Figs 1 View FIGURES 1–10 , 11 View FIGURES 11–15 )............................. 9
8’. Fore and mid femora at least yellow on basal third to half posteriorly ( Figs 16 View FIGURES 16–25 , 26 View FIGURES 26–30 , 31 View FIGURES 31–40 , 41 View FIGURES 41–45 ).......................... 13
9. Epandrium ending in a narrow process, clavate or rod-like apically ( Fig. 5 View FIGURES 1–10 )...................................... 10
9’. Epandrium ending in an angular process, pointed or rounded apically........................................... 11
10. Wing hyaline, costal cell yellow; epandrium enlarged anteriorly and gradually narrowing to a clavate distal process; subepandrial sclerite only slightly pronounced distally, straight dorsally; gonocoxite with 3 long, thin macrosetae; female cercus slightly concave at distal margin ( Colombia).............................................. O. ampliatus Scarbrough, 2002 .
10’. Wing brownish, costal cell dark brown ( Fig. 3 View FIGURES 1–10 ); epandrium rectangular anteriorly and abruptly narrowing to a rod-like distal process ( Fig. 5 View FIGURES 1–10 ); subepandrial sclerite extremely developed distally forming an arc above the terminalia ( Fig. 5 View FIGURES 1–10 ); gonocoxite without macrosetae ( Fig. 8 View FIGURES 1–10 ); female cercus rounded at distal margin ( Fig.12 View FIGURES 11–15 ) ( Peru)............. Ommatius amaru sp. nov.
11. Epandrium triangular apically ( Fig. 50 View FIGURES 46–52 ); gonocoxite with 1 long, unusually thick, macroseta ( Figs 51–53 View FIGURES 46–52 View FIGURES 53–57 ); phallus narrow apically ( Fig. 55 View FIGURES 53–57 ).................................................................................... 12
11’. Epandrium horizontal apically; gonocoxite with only setae, macroseta absent; phallus wide apically ( Mexico, Guatemala).............................................................................. O. gladiatus Scarbrough, 2002 .
12. Males with vein C dilated anteriorly ( Fig. 48 View FIGURES 46–52 ); subepandrial sclerite wide proximally, tapering distally in ventral view ( Fig. 57 View FIGURES 53–57 ); hypandrium with a small finger-like process distally ( Figs 52–53 View FIGURES 46–52 View FIGURES 53–57 ); gonostylus flat-like basally pronounced externally and bent knee-like medially towards a pointed apex ( Figs 52–53 View FIGURES 46–52 View FIGURES 53–57 ); ejaculatory apodeme pronounced proximal dorsally resembling a golf club, rod-like distally; phallus curved down distally ( Fig. 55 View FIGURES 53–57 ) ( Peru)....................... Ommatius yanantin sp. nov.
12’. Males with vein C not dilated anteriorly; subepandrial sclerite subrectangular in ventral view; hypandrium rounded distally, without process; gonostylus rod-like basally, tapering distally, conic shaped in ventral view; ejaculatory apodeme wide proximally, with a dorsal keel distally; phallus straight to body axis ( Ecuador).................. O. nanciae Vieira, 2015 .
13. Palpus mostly to entirely brown setose................................................................... 14
13’. Palpus entirely yellow setose........................................................................... 16
14. Hind femur dark reddish brown to almost black, extreme base yellow ( Fig. 62 View FIGURES 58–65 ); hind tibia with apical third to apical half dark yellow to brown ( Fig. 58 View FIGURES 58–65 ).............................................................................. 15
14’. Hind femur shining black, extreme base dark reddish; hind tibia with apical half dark brown to almost black ( Fig. 16 View FIGURES 16–25 ) ( Peru)................................................................................ Ommatius kuntur sp. nov.
15. Hind femur dark with most ventral macrosetae yellow ( Fig. 62 View FIGURES 58–65 ); mid femur with only long, posteroventral setae; T9+10 with apical corner concave, spoon-shaped ( Figs 64–65 View FIGURES 58–65 ); S8 with deep notch laterally, surface concave with 1 stout macroseta, corner and medioapical margin equally produced forward ( Figs 64–65 View FIGURES 58–65 ) ( Peru).................. O. quadratus Scarbrough, 2002 .
15’. Hind femur with most ventral macrosetae brown; mid femur with 1 brown, posteroventral macroseta on apical third; T9+10 with apical corner truncate; S8 with medioapical margin far forward of corners, lateral notch with stout macroseta absent ( Peru)........................................................................ O. ovatus Scarbrough, 2002 .
17. Fore and mid femora posteriorly brown on apical half....................................................... 18
17’. Fore and mid femora posteriorly brown on apical fourth to third............................................... 19
18. Scutellum with two brown to black, marginal macrosetae; hind femur usually with mostly yellowish ventral macrosetae, apical 1–2 macrosetae in each row black; long gonocoxal macrosetae present; gonostylus with apical third abruptly angular; hypoproct with basal process slightly produced, J-shaped ( Colombia)........................... O. angulosus Scarbrough, 2002 .
18’. Scutellum with two yellow marginal macrosetae; hind femur with yellow basal macrosetae, apical 5 posteroventral macrosetae black; short, curved gonocoxal macrosetae present; gonostylus axe-shape, apical third unusually narrow, base much wider, subrectangular; hypoproct with basal process broadly triangular ( Colombia)........... O. dolabriformis Scarbrough, 2002 .
19. Female T9+10 and genital fork fused as a wide, dark sclerotized bridge ventrally; T9+10 folded laterally forming a prominent keel; genital fork with 2 large, oval depressions present medially; S8 with apical margin strongly and abruptly produced medially; spermatheca oval ( Bolivia)............................................... O. tropidus Scarbrough, 2002 .
19’. Female T9+10 and genital fork normal; T9+10 apical corner pointed, genital fork membranous, only small depressions present; S8 with apical margin only narrowly produced medially; spermatheca wider basally than apically or spherical........... 20
20. Male terminalia wider than long, epandrium with a wide notch along dorsoapical margin, and angled obliquely posteriorly; gonocoxal macrosetae unusually long and pointed; gonostylus with strong right angled basal process; phallus apically wide, angled ventrally, parameral sheath hood-like; female S8 with apical margin medially broadly produced, sides oblique; spermatheca spherical ( Peru)................................................. O. tanpadiensis Scarbrough, 2002 .
20’. Male terminalia longer than wide, epandrium only slightly notched along dorsoapical margin, and horizontal, not especially angled posteriorly; gonocoxal macrosetae shorter, apex round; gonostylus flat, without prominent lateral process basally; phallus horizontal, parameral sheath flared preapically, not hood-like; female S8 with apical margin slightly produced medially, narrow with almost vertical sides; spermatheca wider basally than apically ( Venezuela)......... O. flexus Scarbrough, 2002 .
21. Hind femur with most or all ventral macrosetae brown....................................................... 22
21’. Hind femur with most or all ventral macrosetae yellow...................................................... 24
22. Hind coxa entirely, fore and mid coxae apically usually red to brown yellow; femora yellow-brown with reddish tint, darkest apically, lighter yellow to reddish yellow basally and posteriorly; hind femur basally with 1–2 contrastingly stout posteroventral macrosetae; epandrium abruptly narrow apically; gonocoxite with sparse setae; spermatheca elliptical ( Guatemala to Panama).......................................................................... O. angustatus Scarbrough, 2002 .
22’. Coxae darker, brown to black; femora never reddish, dull yellow-brown anteriorly and dorsally or mostly yellow; hind femur basally without contrastingly stout posteroventral macrosetae; epandrium not abruptly narrowing apically; gonocoxite with an unusually thick macroseta; spermatheca spherical or ovate.................................................... 23
23. Hind femur dull yellow-brown dorsally and anteriorly, yellow elsewhere, most anteroventral macrosetae yellowish; mid femur of male with preapical, posterodorsal macrosetae absent, 5–6 long, posteroventral macrosetae present, none beyond middle; epandrium wide apically, pointed; gonocoxite with two digitate processes on inner corner, one hooked with a moderate thick, acuminate, black macroseta; female S8 rectangular apically, spermatheca spherical ( Peru).... O. destitutus Scarbrough, 2002 .
23’. Hind femur mostly yellow, brown-yellow to brown apically, darkest dorsally, anteroventral macrosetae brown; mid femur with preapical, posterodorsal macrosetae, male with only long, posteroventral setae basally, short, posteroventral macrosetae often present on apical third; epandrium triangular apically, gradually tapering to a pointed apex; gonocoxite with inner corner wide, margin oblique with one short, thick macroseta; female S8 with medioapical margin curved anteriorly, sides oblique; spermatheca ovate ( Venezuela)................................................ O. triangularis Scarbrough, 2002 .
24. Femora dorsally and at least dorsal half anteriorly dark brown, ventrally and posteriorly yellow, demarcation between colors abrupt............................................................................................. 25
24’. Femora with colors more diffuse, brown to yellow transition gradual over a wider area, never abrupt ( Venezuela).................................................................................... O. fernandezi Scarbrough, 2002 .
25. Epandrium wide apically, apex pointed, gonocoxite with a large, flat, “fang-like” macroseta; female with medioapical margin of S8 curved forward, sides oblique ( Venezuela).................................. O. unguiculatus Scarbrough, 2002 .
25’. Epandrium narrow apically, apex round, gonocoxite with sparse setae only; female with medioapical margin of S8 rectangular, sides almost parallel ( Bolivia, Argentina)....................................... O. tucumanensis Scarbrough, 2002 .
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