Empis Shamshev, 2020, s. str.

Abstract

Key to species of <i>Empis</i> s. str. of Egypt, Israel and Syria <p>1 Male............................................................................................... 2</p> <p> - Female (unknown for <i>E</i>. <i>insulata</i>, <i>E</i>. <i>nigropilosa</i>, <i>E</i>. <i>cilicauda</i>, <i>E</i>. <i>leucotricha</i> and <i>E</i>. <i>curticornis</i>)..................... 16</p> <p> 2 Vein M 1 incomplete. Fore and mid legs with tarsomeres 1–3 greatly dilated (especially those of fore tarsus) and densely clothed with numerous very long setae dorsally..................................................... <b> <i>E. mirifica</i> (Collin)</b> </p> <p> - Vein M 1 complete. Fore tarsus with only tarsomere 1 sometimes slightly thickened, mid tarsus with slender tarsomeres; covered with short setae....................................................................................... 3</p> <p>3 Halter blackish to dark brownish, sometimes stem somewhat paler.............................................. 4</p> <p> - Halter yellow (rarely yellowish brown, <i>E</i>. <i>inopinata</i>, or stem somewhat darker).................................... 9</p> <p>4 Abdomen covered with pale setae........................................................................ 5</p> <p>- Abdomen covered with black setae....................................................................... 6</p> <p> 5 Body with only pale setae; terminalia—Collin (1960: 407, fig. 7)............................... <b> <i>E. leucotricha</i> Collin</b> </p> <p> - Mesonotum with black setae; terminalia—Collin (1960: 408, fig. 8a)............................ <b> <i>E. curticornis</i> Collin</b> </p> <p> 6 Scutellum with 2 setae; cercus deeply cleft into two lobes (<i>E</i>. <i>chioptera</i> - type): Collin (1960: 406, fig. 6) [Additional characters: fore basitarsus thickened, wings milky-white, epandrium with long dense setae at apex and below]..... <b> <i>E. cilicauda</i> Collin</b> </p> <p>- Scutellum with 4–6 setae; cercus unilobate................................................................. 7</p> <p> 7 Acrostichal setae arranged in four irregular rows; hind tibia with posteroapical comb; terminalia as in Fig. 11................................................................................................ <i>E</i>. nigropilosa Collin</p> <p>- Acrostichal setae biserial; hind tibia without posteroapical comb................................................ 8</p> <p> 8 Wing slightly whitish; phallus long, well exposed; hypandrium short, only slightly extending beyond margin of sternite 8 (Collin 1960: 403, fig. 4)............................................................... <b> <i>E. palaestinensis</i> (Engel)</b> </p> <p> - Wing distinctly brownish; phallus short, hidden; hypandrium very long, its apex extending almost to apex of cercus (Collin 1960: 404, fig. 5)........................................................................ <b> <i>E. occlusa</i> Collin</b> </p> <p> 9 Abdomen and laterotergite with black setae; hypandrium pilose ventrally (Collin 1960: 409, fig. 9)........ <b> <i>E. pexata</i> Collin</b> </p> <p>- Abdomen and laterotergite with pale setae (abdominal tergites sometimes with scattered black setae dorsally and laterotergite with additional dark setae); hypandrium bare.............................................................. 10</p>Published as part of <i>Shamshev, Igor V., 2020, Empis s. str. (Diptera: Empididae) from Egypt, Israel and Syria: notes on some species described by J. E. Collin and a key to species, pp. 266-274 in Zootaxa 4743 (2)</i> on page 272, DOI: 10.11646/zootaxa.4743.2.9, <a href="http://zenodo.org/record/3687869">http://zenodo.org/record/3687869</a&gt