Tabanus leucostomus Loew, 1858 - Identification

This species has a dusky unicolorous eye in the female, but males have the upper part of the eye of various shades of shining grey or greyish bronze.
Face white. Thorax with white longitudinal lines. R 4 with appendix. Abdomen blackish brown with 2 longitudinal stripes of oval grey separated spots (slanted like slashes). Ventral side with white pollen and hairs.
Widespread in the Afrotropical region.

Original description by Loew:
https://www.biodiversitylibrary.org/item/35325#page/61/mode/1up

Illustrated in Neave 1912. Plate X, fig. 3&4:
https://zenodo.org/record/2371129/files/article.pdf