Tabanus leucostomus Loew

Abu El-Hassan, Gawhara M. M., Badrawy, Haitham B. M., Fadl, Hassan H. & Mohammad, Salwa K., 2013, A review of the genus Tabanus Linnaeus, 1758 (Diptera: Tabanidae) from Egypt, Zootaxa 3691 (5), pp. 559-576 : 569

Tabanus leucostomus Loew

( Figs 2 A, 4E, 5E)

Tabanus leucostomus Loew, 1858: 336 .

Tabanus obliquemaculatus Surcouf & Ricardo, 1909: 172 . Tabanus psusennis Jaennicke, 1867: 333 .

Type locality. Namibia.

Diagnosis. Length. (Male) body 14.0 mm, wing 10.7 mm.

Frons in females parallel sided; subcallus entirely smooth, gently bulging; R4 with appendix; abdomen blackish brown with 2 longitudinal stripes of oval grey separated spots.

Local distribution. South-eastern Desert (Gebel Elba).

Geographical distribution. Cameroon, Egypt, Ethiopia, Namibia, Nigeria, Oman, Saudi Arabia, widespread in eastern Africa from north-east to southern Africa.

Specimens examined. Gebel Elba, South-eastern Desert, 15.III-IV.1928 (1 3) (ESEC).

Remarks. This species is recorded from Egypt for the first time. It is closely related to Tabanus mordax Austen but is characterized by the presence of R4 appendix and a less bulging subcallus.

Figures

FIGURE 2. Antennae. A. T. leucostomus Loew 3. B. T. lunatus Fabricius Ƥ. Scale line = 2 mm.