Afroestricus vorax, Scarbrough Table Of Contents, 2005

Scarbrough Table Of Contents, Aubrey G., 2005, Afroestricus, a new Afrotropical Ommatine (Diptera: Asilidae) genus with twenty species and two species groups, Zootaxa 1041 (1), pp. 1-76 : 68-69

Afroestricus vorax , sp. n.

Figs. 187–192 , 196

Male. Because of its similarity to A. vittatus and A. sanfoka only significant characters are included. Measurements, body 19 mm; wing 12.6 mm. FHWR 1.0:4.3; FWLR 1.0:2.0; m 1 WR 1.0:3.6:3.9; HFWLR 1.0:30. Head: Postocular bristles extend to midlateral margin of head. Abdomen: Apical three segments with one bristle in each apical corner. Terminalia ( Figs. 187–192 ): Epandrium broadly rounded apically, with a small dorsoapical notch. Gonostylus and aedeagus distinctive. Hypandrium round apically.

Female. Measurements, body 18.0 mm; wing 13.4 mm; FHWR 1.0:4.2; FWLR 1.0:2.0; m 1 WR 1.0:4.1:4.3; HFWLR 1.0: 4.2. Abdomen: Terga 6 to 8 and sternum 7 with sparse, unusually stout, black bristles. Terminalia: Damaged, not dissected.

Type material. Holotype M, NIGER: Tsernaoua , 13°53’N 5°20’E, 13.viii.1987, Narigot, A. Paolt, rec. ( MRAC) . Paratype: 1 M, [ UGANDA] Musée Du Congo, E. Lac. Albert: Butiaba [1°48’30”N 31°12’59”E], 20.ix.1937, H.J. Brédo ( MRAC) .

Additional material. 1 F [poor condition, abdomen damaged apically], same data as holotype ( MRAC) .

Distribution ( Tables 1, 2; Fig. 196 ). Niger and Uganda; collected in August and September ( Tables 1, 2).

Etymology. Latin vorax for vicious, referring to the predaceous habits of asilids.

Remarks. Afroestricus vorax is similar to A. sankofa and A. vittatus in the unusually thick femora of the male, the stout posteroventral bristle on the middle femora of both sexes but is distinguished from them by the characters of the terminalia ( Figs. 187–192 ).

Figures

FIGURE 196. Distribution of five species of Afroestricus in Africa and Yemen.

FIGURES 187–192. Afroestricus vorax, sp. n. Male terminalia: 187–189. Lateral, dorsal, and ventral views. 190. Gonostylus. 191–192. Aedeagus, dorsal and lateral views.