Diatropomma annettae Greathead and Evenhuis, 2001

Greathead, D. J. & Evenhuis, N. L., 2001, Annotated keys to the genera of African Bombylioidea (Diptera: Bombyliidae; Mythicomyiidae), African Invertebrates 42 (1820), pp. 105-224 : 196-197

Diatropomma annettae Greathead and Evenhuis sp. n.

( Fig. 124 )

Etymology: Named for Annette Greathead who collected part of the type series, and following François (1960) whose species was also named after his wife.

Material examined: Holotype Ò. TANZANIA: 70 miles N of Dodoma, 2.v.1966 (D. & A. Greathead) ( BMNH) . Paratypes. TANZANIA: 80 miles N of Dodoma, 2.v.1966, 1Ò1^ (A. H. Greathead) ; 20 miles E Dodoma, 26.iv.1967, 1^ (D. J. Greathead) ( BMNH & DJG) .

Diagnosis: This new species can be distinguished from the two previously described species by the preceding couplets.

Description: Holotype Ò. Length of body 9 mm; proboscis 2.5 mm; wing 11 mm. Head: Black, pale brownish inside oral cavity and on ventral part of genae. Eyes at vertex separated by about twice width of ocellar triangle which is set forward of vertex. Hair black. Frons and face with sparse deep golden scales. Occiput with a dense band of pale golden scales on the upper part of the eye margin. Antennae with the flagellum twisted as D. carcassoni (Bowden 1962: Fig. 2 ). Scape black, pedicel brown, flagellum yellow-brown and with gold tomentum, all hairs black. Proboscis blackish-brown. Palpi blackish with black hairs. Thorax: Black with brown tomentum. Hair very sparse, except on fore margin of mesothorax (collar), black except for golden ones above on fore margin of mesothorax. Mesonotum and scutellum with small sparse dull golden-yellow scales. Pleura without scales. Legs: Coxae and femora dark brown and with black scales, tibiae yellow-brown with dull gold scales, tarsi brown. All hair and bristles black, except for yellow-brown ones on fore tarsi above. Fore and mid femora without bristles, hind each with three antero-ventral ones. Claws almost straight, black. Wing: Venation as other two species. Infuscated brown with apex infused paler brown. Pattern almost as D. carcassoni (Bowden 1962: Fig. 4 ) but cell cua1 (fourth posterior) infuscate at apex so that the central clear area is more rectangular in outline, and pale spots at apex of discal cell wanting. Costal hook black, comb black with golden scales. Squama blackish, with a fringe of minute yellowish scales. Halter blackish brown. Abdomen: Black. Hairs sparse, black, uniformly covered in small dull golden-yellow scales. Male genitalia ( Fig. 124 ): Dark brown, very similar to D. carcassoni but epiphallus more rounded at apex.

Paratype ^. Vestiture as in holotype, except that femora have extensive golden scaling. Wing pattern sexually dimorphic (as in D. claudia, François, 1960 : Figs 1–2 ) with larger and more conspicuous pale spots, including one on crossvein m-m. Ovipositor with yellow hair and blackish spines.

Figures

Figs 119–124. Bombyliidae genitalia. 119. Exoprosopa argentifrons Macquart, male genitalia. a. lateral view. b. ventral view. 120. Micomitra vitripennis (Brunetti), male genitalia. a. lateral view. b. ventral view (all from Hesse 1956). 121. Exoprosopa engima Greathead and Evenhuis sp. n., male genitalia 122. Exoprosopa enigma Greathead and Evenhuis sp. n., female spermatheca. 123. Heteralonia azaniae Greathead and Evenhuis sp. n., male genitalia. 124. Diatropomma annettae Greathead and Evenhuis sp. n., male genitalia.

Figs 1–2. Wings of Bombylioidea showing veins and cells. 1. Bombyliidae: Petrorossia letho (Wiedemann). 2. Mythicomyiidae: Cephalodromia fusca (Séguy). Abbreviations: a = anal cells; A = anal veins; bm = basal medial cell; bm-cu = basal portion of CuA1 (posterior crossvein); br = basal radial cell; C = costal vein; cua = cubital-anal cells; CuA = cubital anal veins; cup = anal cell; CuP = posterior branch of cubitus vein; dm = discal cell; dm-cu = discal-cubital crossvein; h = humeral crossvein; m = medial cells; m-m = medial crossvein; M = medial veins; MA = arculus; r = radial cells; R = radial veins; r-m = radial-medial crossvein; Sc = subcostal vein.

Figs 4–9. Mythicomyiidae antennae. 4. Glella ashleyi, Greathead and Evenhuis sp. n. 5. Empidideicus basutoensis Hesse.6. Cyrtisiopsis singularis Séguy. 7. Cephalodromia flava (Séguy). 8. Cyrtosia marginata Séguy. 9. Glabellula natalensis Hesse.