I. Genus Chrysops Meigen, 1803

1803. Chrysops Meigen, Mag. Insekten Kude, 2: 267.

Type species: Tabanus caecutiens Linnaeus, 1761

Diagnosis: Varies from small to moderately long in size (5.5-12.5 mm in length), usually bright yellow to black coloured species. Callus usually transverse with three functional ocelli. Scape and pedicel much longer and scape in most often swollen. Proboscis long. Wings infuscated in irregular fashion or with dark cross band, Sc vein bare, r5 and m2 cells open widely. Abdomen with specific yellow and black patterns or yellowish or dark stripes, spots or triangles.