Ommatius neotenellus, Bromley, 1936

Scarbrough, A. G., 2010, An overview of the Afrotropical Ommatiinae (Diptera: Asilidae) with a key to genera, Zootaxa 2540, pp. 1-47 : 24-25

Neotenellus species group

Diagnosis. Small group of closely related species, largely distinguished by genital characters. Distinguished by the following combination of characters: Small blondish species with thin legs and weak bristles, wing venation, and unique terminalia. Wings hyaline, cell r 4 slightly sigmoid with R 4 at wing apex; coxae yellow or brownish-yellow; M 1 strongly arched basally; anepimeral bristle often long, thin, seta-like, sometimes lost. Male. Cercus with abundant, stout setae dorsally; epandrium apically curved or angled medially. Gonostylus rectangular, wide basally, 2/3–3/4 as wide as long in lateral view, narrow apically and hooked. Aedeagal sheath membranous, moderately inflated dorsally (epiphallus); distiphallus tubular, horizontal, slightly sigmoid. Gonocoxite admedial process long and narrow with 1 or 2 seta-like bristles apically. Female. Genital fork goblet-shaped with narrow sclerotized arms and membranous base, base usually folded posteriorly. Spermatheca reflected, base large, narrowed apically; ducts join common bursa separately.

Distribution. East Africa.

Remarks. Differs from congeners in the wing venation ( Figs. 58, 67, 73, 79, 83, 89) and the combined characters of the terminalia ( Figs. 59–63, 67–72, 74–78, 84–88, 90–94).