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Horse flies and deer flies [a] are true flies in the family Tabanidae in the insect order Diptera. The adults are often large and agile in flight. Only females bite land vertebrates, including humans, to obtain blood. They prefer to fly in sunlight, avoiding dark and shady areas, and are inactive at night.
Chrysopsinae is an insect subfamily in the family Tabanidae commonly known as deer flies or sheep flies and are bloodsucking insects considered pests to humans and cattle. [3] They are large flies with large brightly-coloured compound eyes, and large clear wings with dark bands. [4] They are larger than the common housefly and smaller than the ...
They are large flies with large brightly coloured compound eyes, and large clear wings with dark bands. [2] They are larger than the common housefly and smaller than the horse fly. There are 250 species of deer fly in the genus Chrysops. Their distribution is worldwide, though they have not been reported in Iceland, Greenland, or Hawaii. [3]
Tabanidae—horse and deer flies The Brachyceran infraorder Tabanomorpha is a small group that consists primarily of two large families, the Tabanidae (horse and deer flies) and Rhagionidae (snipe flies), and an assortment of very small affiliated families, most of which have been (or could be, or sometimes are) included within the Rhagionidae.
Loa loa is transmitted by several species of tabanid flies. Although horseflies of the genus Tabanus are often mentioned as vectors, the two most prominent vectors are from the tabanid genus Chrysops—C. dimidiata and C. silacea. These species exist only in Africa and are popularly known as deer flies or mango flies. [7]
These flies are closely similar to Stomoxys and Haematobia, but are larger and of a paler brown color. Tsetse-flies of both sexes are robust fliers adapted for hunting their hosts during daytime. Male adults support their mating activity with repeated meals of blood from cattle and similar wild bovid hosts, also wild pigs and warthogs are favored.
Stable flies are a little less common as they stick to the Lake Superior beaches and shorelines, especially Pictured Rocks, throughout mid and late summer. More: Michigan gray wolf population at ...
These horse flies can be encountered during the daylight hours from late May through late October. [5] The males are harmless and feed on nectar, [7] while the females feed on mammal blood (hematophagy) (hence the Latin name Haematopota pluvialis, literally meaning 'blooddrinker of the rains'), mainly cattle and horses, needing blood for developing eggs.