Tabanus n. : A genus of blood sucking flies, including the horseflies.

Example:
how far (in kilometers) does a Tabanus can fly?

Taxonomy
Stone, Tabanus, Travassos, Santos Dias, 1940, 1938, Hine, genus, Macquart, Peus, free encyclopedia, Wiedemann, Whitney, Walker, 1939, Tabanus bromius, Tabanus bovinus, Fairchild.

Defination from the web:
Tabanus is a genus of biting horseflies of the family Tabanidae. Females have scissor-like mouthparts that aim to cut the skin. The horsefly can then lap up the blood. ... Some species, such as Tabanus bovinus, prefer bovine animals and are less harmful to humans. The genus contains ...