Tabanos

Distribucion en Costa Rica:
Distribucion General: Guatemala; Belize; Honduras; Panama.

Females probably feed on the blood of mammals.

Immature stages unknown.

Hind tibiae with apical spurs; antennal flagellum never with more than 5 distinct flagellomeres; ocelli present; wings nearly always with a dark crossband; frontoclypeus bare and shining; discal cell of wing entirely dark; apical spot of wing extensive, filling most of the wing apex; hind femora at least basal one-third black; abdomen wholly black, or rarely with the pattern of calogaster faintly indicated in grayish tomentum; pleuron always all black; cloud on the fork of veins R4 and R5 never joined by a complete bridge to crossband.

Localidad del tipo: "Venezuela"
Depositario del tipo: Vienna: Naturhistorisches Museum Wien.
Recolector del tipo: