Efferia
Creators: name: Aubrey G. Scarbrough
name: Daniel E. Perez-Gelabert
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Asilidae
Efferia

description: Key to the female species of Efferia from Hispaniola
1 Tibiae entirely black ..................................................................................................................................................... 2
- Tibiae mostly yellow, brownish-yellow or reddish....................................................................................................... 3
2 Scutellum with 5–6 marginal bristles; terminalia 5.0– 5.6 mm long, 10–11 times longer than diameter at middle (Figs. 56–57) ............................................................................................................................................. picea sp. nov.
- Scutellum with 8–10 marginal bristles; terminalia 5.6 mm long, 11 times longer than diameter at middle (Figs. 80–81) .............................................................................................................................................. suspiciosa sp. nov.
3 Costal cell entirely and cell r1 anteriorly with unusually dense black microtrichia (Fig. 96); terminalia 3.9–5.1 mm long, 9.7–10.6 longer than diameter at middle, spermatheca oval, about as long as wide (Figs. 68–69)....................... .............................................................................................................................................................. sinuosa sp. nov.
- Costal and r1 cells without unusually dense black microtrichia; terminalia not as above .......................................... 4
4 Face and oral margin with scattered unusually stout bristles, often reddish; body often reddish, femora reddish at least dorsally and apically; R5 curved anteriorly, joining costa at or just above wing apex; narrow lateral margins of tergite 7 with pale yellow or grayish tomentum; terminalia 5.3–6.9 mm long, at middle 1/11.0-1/13.5 as wide as long; spermathecae ovate, longer than wide, with gradual tapered apically to minute point (Figs. 37–38)................... .................................................................................................................................................... fulvibarbis (Macquart)
- Face and oral margin without unusually stout bristles; body and femora black; R5 curved posteriorly, joining costa below wing margin; tergite 7 and terminalia with different combination of characters ............................................... 5
5 Face and palpi mostly or entirely with pale vestiture, if black vestiture present then sparse, scattered medially or at palpal apex; mesothoracic and metathoracic femora with 2–4 pale bristles anteriorly; anterior scutal setae short, about 1/2 as long as scape ............................................................................................................................................. 6
- Face with abundant black bristles medially; apical 1/3 or more of palpi with several black setae; mesothoracic and metathoracic femora usually with only black bristles anteriorly; anterior scutal setae longer, usually as long or longer than scape ...................................................................................................................................................................... 8
6. Marginal scutellar bristles long, length greater than mid-line distance from base to apex of scutellum; narrow lateral margin of tergite 7 with dense brown tomentose; sternite 7 entirely tomentose, usually white or white basally and brown apically; terminalia 3.8–4.4 mm long, 10–11.7 times diameter at middle; spermathecae oval, broadly rounded with minute apical point (Figs. 19–20) .....................................................................................................clava sp. nov.
- Marginal scutellar bristles shorter, about as long as midline distance from base to apex of scutellum; tergite 7 atomentose; sternite 7 with sparse tomentum, appearing black, narrow base with dense tomentum; terminalia otherwise ...................................................................................................................................................................................... 7
7 Marginal scutellar bristles usually white, sometimes 1 bristle black; anterior scutal setae thin, not unusually thick; sternite 7 with sparse brownish tomentum, narrow base white tomentose; terminalia 3.1–4.0 mm long, 9.0–12.5 times longer than diameter at middle; spermathecae ovate, slightly longer than wide, sides tapered to point, apex not acute (Figs. 74–75) ................................................................................................................................ spinula sp. nov.
- Marginal scutellar bristles usually black; anterior scutal setae thick basally, spur-like; sternite 7entirely atomentose; terminalia 3.1–4.8 mm long, 8.4–10.0 times longer than diameter at middle, spermatheca obovate, only slightly longer than wide, sides gradually tapered to rounded apex (Figs. 31–32)............................................... fortis (Macquart)
8 Anterior scutal setae longer than scape and pedicel combined .................................................................................... 9
- Anterior scutal setae shorter, about as long as scape .................................................................................................. 10
9 Tergite 7 with sparse brownish-gray tomentum dorsally, narrow sides slightly denser; scutellum usually with 3–4 black marginal bristles; terminalia 4.5–5.4 mm long, 9.5–10.6 longer than diameter at middle (Figs. 43–44) ............. ...................................................................................................................................................... haitensis (Macquart)
- Tergite 7 with brownish tomentum dorsally, narrow sides white tomentose; scutellum with 2 long black marginal bristles; terminalia 3.8–4.0 mm long, 11.4–12.1 longer than diameter at middle (Figs. 62–63) ........... serrula sp. nov.
10 Wing brown; tibiae mostly brownish-yellow or reddish; lateral margins of tergites 1–7 narrowly yellowish-brown tomentose, wide apical corners of tergites 2–4 or 5 with white tomentum; sternites 4–6 or 7 black setose; terminalia 5.2–5.4 mm long, 9 times longer than diameter at middle; spermathecae tear-shaped, slightly wider beyond middle, broadly rounded apically (Figs. 25–26); large species, 19.0– 22.1 mm long .......................................... exacta sp. nov.
- Wings only slightly brownish, darkest apically; tibiae mostly yellow; wide sides of tergites 1–6 white; sternites white setose; terminalia differs from above, spermathecae slightly pointed apically; usually smaller species ......... 11
11 Tergite 7 white tomentose laterally; terminalia 2.1–3.7 mm long, 5.7–7.9 times longer than diameter at middle, spermatheca tear-shaped, 1/3 longer than wide, broadly rounded apically (Figs. 13–14); small species, 8.7–10.7 mm ...... ............................................................................................................................................................... bullata sp. nov.
- Tergite 7 usually shining black laterally, brownish tomentum if present usually sparse; terminalia longer> 4.5 mm long,> 8.0 longer than diameter at middle, spermatheca obovate, oval, or spherical, never tear-shaped; larger species, usually 12–25 mm long ...................................................................................................................................... 12
12 Scutellum with 2 marginal bristles, setae about 2/3 as long as bristles; tergite 7 black, usually lateral margin narrowly with dense brown or brownish-gray tomentum, sternite 7 usually brownish-gray tomentose; terminalia 4.7–5.0 mm long, 10–11.5 times longer than diameter at middle, spermathecae longer than wide, oval or obovate apically (Figs. 82–83) ......................................................................................................................... woodleyi sp. nov.
- Scutellum with 4–5 marginal bristles, setae about 1/2 as long as bristles; tergite 7 with wide sides white tomentose; sternite 7 white tomentose, white setose; terminalia 4.3 mm long; narrow, 11.1 times longer than diameter at middle, spermathecae oval, broadly rounded apically (Figs. 50–51). .............................................................. incisura sp. nov.
description: Published as part of Aubrey G. Scarbrough & Daniel E. Perez-Gelabert, 2009, Review of the West Indian species of Efferia Coquillett (Diptera: Asilidae) with 13 new species and checklist: Part II. Hispaniola, Puerto Rico, and Lesser Antilles including Tobago and Trinidad, pp. 1-66 in Zootaxa 1994 on pages 7-8, DOI: 10.5281/zenodo.1455810