Tabanus variabilis Loew, 1858 - Identification

Blackish species. Face white. Abdomen with characteristic pattern on T2: a large white spot interrupted by a dark median spot and two similar lateral spots. All tergites have a small white transverse band on the border and have small white marginal spots that form a narrow serrated lateral band.

Original description by Loew:
https://www.biodiversitylibrary.org/item/35325#page/59/mode/1up

Description by Surcouf:
https://www.biodiversitylibrary.org/item/175737#page/177/mode/1up
Fig 8: https://www.biodiversitylibrary.org/item/175737#page/277/mode/1up

Illustrated in Neave 1912. Plate X, fig. 7:
https://zenodo.org/record/2371129/files/article.pdf