Defilippia efflatouni (Bezzi, 1925)

(Figs 4–7)

Exoprosopa efflatouni Bezzi, 1925: 240. Type locality: Egypt (Marg, Wadi Hoff) [2S (destroyed) in ESEC; 1S in MSNM]. Exoprosopa dulcis Austen, 1936: 199. Type locality: Pakistan (Quetta) [3S in BMNH].

Distribution. AF: Eritrea, Mali, Sudan, Yemen. OR: India (Maharashtra), Pakistan. PA: Algeria, Egypt, Iran, Israel, Saudi Arabia.

Egyptian localities. Lower Nile Valley: Marg; Sinai: El?Arish, Ein Gedeirat, Gebel Moussa, Rafah; Eastern Desert: Wadies south east of Cairo.

Dates of collection. May to August.

Material examined. Specimens labeled as homeotypes (compared with types of E. efflatouni by Prof. Efflatoun Bey) include the following: 2 Ƌ, Arish [W. El Daiqa], 25.viii.1951 (Shafik); 1 ♀, Ein Gehayer (Serbal, South Sinai), 26.v.1997 (El-Hawagry); 1 ♀ Farsh Gabal Moussa, 26.vi.1936 (H.C.E); 1 ♀, Fayoum, 15.viii.1946 (Shafik); 1 ♀, Fayoum [Tamiya], 15.v.1950 (Shafik & Str.); 1 Ƌ, Wadi Digla, 20.vi.1927 (Tewfik); 1 ♀, W. Gedeirat, 15.vi.1934 (Sh. M.); 1 Ƌ, Wadi Hoff, 9.vi.1927 (Tewfik); 2 ♀, W. Rishrash, 12–17.vi.1932 (Tewfik); deposited in EFC.

Other material examined. 1 Ƌ, Fayoum [Kom Osheem], 1.v.1995 (El-Hawagry); deposited in EFC.

Diagnosis. Medium to large sized flies, up to 12 mm; face conically produced, acute; scales on frons and face yellowish white; collar, anepisternum, laterotergite, and sides of abdominal tergite 1 with distinctly pectinate macrochaetae; katepisternum covered with dense white scales; thorax with 3 longitudinal stripes of silvery white scales; 2nd flagellomere about as long as width of the broad base of 1st flagellomere or slightly longer; wing hyaline with a feeble brownish tinge and with a more or less conspicuous suffused brownish yellow area at the base and extending obliquely to tip of R1; cell r5 slightly narrowed apically; prealar bristles buff, weak, almost indistinguishable from buff thoracic bristles and hairs; abdominal integument mostly reddish brown, especially at sides and posterior margins of tergites; scales on abdomen at most uniformly yellowish white, posterior margins of tergites 3–6 sometimes with pale brownish scales forming faint bands not reaching sides; aedeagus long, slightly shorter than the epiphallus; epiphallus expanded apically; ejaculatory apodeme exceptionally short as in Heteralonia spp.; gonocoxa with tapered thick thorn-like process subapically inside to apical extensions (Figs 4, 5); spermatheca with reservoir sclerotized, elongated, slightly narrowed medially, basal bulb exceptionally reduced with slightly sclerotized basal tube longer than reservoir (Fig. 7).