An overview of the Afrotropical Ommatiinae (Diptera: Asilidae) with a key to genera Author Scarbrough, A. G. text Zootaxa 2010 2010-07-19 2540 1 47 journal article 1175-5326 Key to the species of Longibeccus 1 Wings largely bright yellow microtrichose, base of cell r 4 to apex brown ( Fig. 41 ); mesonotum largely yellow with wide median and narrow lateral black stripes; terminalia as in Figs. 42–51 ; ( Uganda , Ivory Coast ) ........................... ....................................................................................................................................................... imperator (Oldroyd) - Wings entirely brownish-yellow microtrichose; mesonotum blackish, at most postpronotum and postalar callus yellowish; terminalia as in Figs. 42-47 ; ( Angola , Botswana , Ethiopia , Ghana , Kenya , Mozambique , Nigeria , South Africa , Sudan , Zimbabwe ) ....................................................................................................... fuscovittatus (Ricardo)