Osten-sacken-1875
Guides
Chrysops indus
deer fly
Chrysops indus is a species of deer fly in the family Tabanidae. It occurs in North America, with records from the United States and Canada. Like other members of the genus Chrysops, females are blood-feeders while males feed on nectar and pollen. The species was described by Osten Sacken in 1875.
Haematopota americana
horse fly
Haematopota americana is a species of horse fly in the family Tabanidae, first described by Osten Sacken in 1875. It belongs to a genus known for blood-feeding females that are persistent pests of mammals, including humans and livestock. The species is recorded from the United States, though specific details about its biology and ecology remain limited in published literature. Like other horse flies, it likely has aquatic or semi-aquatic larval stages and terrestrial adults.