Tabanos

Lowland forest species below 800 mts.

Distribucion en Costa Rica:
Distribucion General: Nicaragua to northern Brazil and eastern Peru.

Females feed on the blood of large mammals including humans.

Immature stages unknown.

Hind tibiae without apical spurs; basicosta without strong setae; third antennal segment with a strong dorsobasal forward pointing spine which often reaches to or beyond the end of the basal flagellomere; eyes bare; not a stout, bee-like species; antennal scape not greatly elongated; frontal callus as wide as the front; wings with dark markings, sometimes faint; species not entirely black; mesoscutum transversely banded; frontoclypeus tomentose; at least the fifth tergite with a pale hind border or tuft or triangle of pale hairs; proximal margin of the wing fascia straight or somewhat dentate, generally passing proximal to the fork of veins R4 and R5; fascia faint and dilute, strongest along the proximal border; mesoscutum and abdomen with prominent yellow haired bands; prescutellar pale band as wide as or wider than the dark intraalar band; femora all yellow; front 2.5-3.1 times as high as the basal width; males with upper eye facets greatly enlarged.

Localidad del tipo: French Guiana, Cayenne.
Depositario del tipo: London: The Natural History Museum.
Recolector del tipo: