Exoprosopa busiris Jaennicke, 1867

Greathead, D. J., 2001, A study of the Exoprosopa busiris (Jaennicke) group of Bezzi (1924) in tropical Africa (Diptera: Bombyliidae), Journal of Natural History 35 (1), pp. 127-147 : 139-140

Exoprosopa busiris Jaennicke

(Figure 1)

Exoprosopa busiris Jaennicke, 1867: 343 , Ethiopia

E. busiris diOEers from all other species of the group in having black hair on the pleura and a conspicuous band of white scales on the second abdominal tergum only, those on succeeding terga are narrow and composed of transparent scales giving the posterior part of the abdomen a greyish appearance. Greathead (1967) provided a full description and illustrated the male genitalia.

Diagnosis

As E. luteicosta but: black hair on pleura. Orange±yellow hair on mesonotum and t1. Bands on all terga but only t2 with a broad band of white scales, others narrow and composed of transparent scales. Legs yellow with black scales. The Entoto Hills and Harar specimens listed below have cell r divided by a cross vein 5

(®gure 1), otherwise similar to E. luteicosta but with darker infuscation and larger spots. Male genitalia ( Greathead, 1967; ®gure 90) similar to E. luteicosta but epiphallus narrower. Length of body, 10±12 mm; of wing, 11±15 mm.

Material examined

Ethiopia: ( Bezzi, 1924) ( BMNH); ( Greathead, 1967) ( DJG); Entoto Hills, 7800 ft, 4 6 l m, 17.ix.1964, D. J. Greathead ( DJG); Sidamo, Wando, 3 1 l m, 11.xi.1964, D. J. Greathead ( DJG); Harar, 1m, G. Petersen ( BMNH); Wolama Prov., Soddu, c. 6800 ft, 5m, 27.x.1948, H. Scott ( BMNH); same, 1, l21± 25.x.1948 ( BMNH).

Distribution Ethiopia (®gure 18).