Neoscutops

Ale-Rocha, Rosaly & Freitas, Geovânia, 2011, Revision of the Neotropical genus Neoscutops Malloch (Diptera: Periscelididae), Zootaxa 3016, pp. 1-28 : 3-4

publication ID	https://doi.org/ 10.5281/zenodo.200588
DOI	https://doi.org/10.5281/zenodo.6186700
persistent identifier	https://treatment.plazi.org/id/F95A87EE-FF8B-C204-AED3-CF7AFA5CFEB0
treatment provided by	Plazi
scientific name	Neoscutops
status

Treatment

Key to species of Neoscutops View in CoL

1. Palpus short and clavate (long, somewhat rectangular in N. cariri View in CoL ); M1 exceptionally arched, ending at or close to wing apex; base of Rs without strong sclerotization; r-m crossvein placed before middle of upper section of cell dm; alula with rounded apex ( Figs. 59 – 61 View FIGURES 59 – 61 ) (the rotundipennis View in CoL group).............................................................. 2

- Palpus long, somewhat rectangular ( Fig. 71 View FIGURES 62 – 71 ); M1 slightly arched, ending below and far from wing apex; base of Rs with a strong sclerotization; r-m crossvein placed beyond middle of upper section of cell dm; alula with tapered apex ( Figs. 51–58 View FIGURES 51 – 58 ) (the peruvianus View in CoL group)................................................................................ 5

2. Face brown with an inverted W-shaped light yellow spot at base of lunula ( Brazil)....... N. cariri Amorim & Vasconcelos View in CoL

- Face wholly yellow or with a brown spot on upper 1/3........................................................ 3

3. Head approximately triangular in frontal view: face wholly yellow; clypeus brown to pale brown ( Figs. 72, 73 View FIGURES 72 – 74 )......... 4

- Head rounded in frontal view; face yellow with an inverted triangular pale brown spot on upper 1/3; clypeus yellow ( Fig. 74 View FIGURES 72 – 74 ) ( Costa Rica)..................................................................... N. rotundipennis Malloch View in CoL

4. Surstylus indistinct, contiguous (fused) with epandrium, not articulated ( Figs. 46, 47 View FIGURES 41 – 50 ) ( Brazil)........ N. ranyseae sp. nov.

- Surstylus distinct, articulated with lateral extremity of epandrium ( Figs. 41, 42 View FIGURES 41 – 50 ) ( Brazil)................ N. minor View in CoL sp. nov.

5. Scutum yellow; scutellum brown; frons yellow; face yellow, with brown spot on each low corner of face ( Figs. 65, 70 View FIGURES 62 – 71 )... 6

- Scutum brown or black; color of the scutellum, frons and face variable........................................... 7

6. Scape and pedicel yellow ( Fig. 70 View FIGURES 62 – 71 ); femora without strong posteroventral setae ( Peru, Brazil)........ N. peruvianus Hennig View in CoL

- Scape and pedicel black ( Fig. 65 View FIGURES 62 – 71 ); fore femur with short strong setae on posteroventral surface.......... N. luteus View in CoL sp. nov.

7. Face entirely yellow or with lateral or central dark spots ( Figs. 62, 63, 67–69 View FIGURES 62 – 71 ).................................... 8

- Face brown with an inverted W-shaped yellow spot at base of lunula ( Figs. 64, 66, 71 View FIGURES 62 – 71 )............................ 12

8. Frons predominantly brown with yellow lateral margins; upper portion of face brown to black in the middle; pedicel wholly brown ( Fig. 63 View FIGURES 62 – 71 ) ( Brazil)............................................................ N. barcelosiensis View in CoL sp. nov.

- Frons predominantly yellow, if brown, only near base of antenna; face wholly yellow or with brown to black spot on lower portion; color of pedicel variable........................................................................ 9

9. Face and antenna wholly yellow ( Figs. 67–69 View FIGURES 62 – 71 ).............................................................10

- Face yellow with region between antennae and an oblique spot on lower corner of face brown to black, pedicel brown with whitish-yellow dorsal spot ( Fig. 62 View FIGURES 62 – 71 ) ( Brazil)............................................... N. annulatus View in CoL sp. nov.

10. Scutellum pale brown on margin and yellowish on disc; legs brown except for mid and hind tibiae yellow basally and with a wide yellow ring in the middle, tarsi pale yellow with tarsomeres 3-5 of mid tarsus pale brown; epandrium wide, postgonites divergent apically ( Figs. 21, 22 View FIGURES 16 – 24 ) ( Peru)................................................... N. manuensis View in CoL sp. nov.

- Scutellum wholly dark brown; color of legs variable, tarsi wholly pale yellow; epandrium variable and postgonites convergent apically............................................................................................11

11. Legs yellow except for base of coxae dark brown and tibiae with brown apex; epandrium slender, postgonites convergent api- cally ( Figs. 25, 26 View FIGURES 25 – 32 ) ( Peru)................................................................ N. melleus View in CoL sp. nov.

- Coxae brown, fore femur yellow with basal ¼ brown, fore tibia yellow with apical ¼ brown, mid and hind femur brown with apical ¼ yellow, mid tibia brown with base and preapical ring yellow, hind tibia yellow; epandrium wide, postgonite with crossing apexes ( Figs. 29, 30 View FIGURES 25 – 32 ).............................................................. N. nitidus View in CoL sp. nov.

12. Clypeus brown to black; scutellum pale brown to black; femora brown.......................................... 13

- Clypeus yellow; scutellum and femora yellow ( Brazil)................................... N. flavoscutellatus View in CoL sp. nov.

13. Ocellar triangle brown, contiguous with coloration of vitta; parafacial and gena black ( Fig. 66 View FIGURES 62 – 71 ); scutellum black; legs predominantly black with base of fore tibia yellow; female terminalia with syntergosternite 7 wide, complete; sternite 8 with a short sclerotized spine-like projection on posterior margin ( Fig. 20 View FIGURES 16 – 24 ) ( Brazil)............................ N. manaos View in CoL sp. nov.

- Ocellar triangle pale brown, not contiguous with coloration of vitta; parafacial and gena yellow ( Fig. 71 View FIGURES 62 – 71 ); scutellum pale brown with yellow distal margin; female terminalia with syntergosternite 7 slender, incomplete ventrally; sternite 8 heartshaped ( Fig. 40 View FIGURES 33 – 40 ) ( Ecuador)............................................................... N. waorani View in CoL sp. nov.