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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 female horseflies bite land vertebrates, including humans, to obtain blood. They prefer to fly in sunlight, avoiding dark and shady areas, and are inactive at night.
The pupae reach the adult stage about seven days later. Female screwworm flies mate four to five days after hatching. The entire lifecycle is around 20 days. A female can lay up to 3,000 eggs and fly up to 200 km (120 mi) during her life.
Many blood-sucking flies can detect the raised concentration of carbon dioxide that occurs near large animals. [43] Some tachinid flies (Ormiinae) which are parasitoids of bush crickets, have sound receptors to help them locate their singing hosts. [44] A crane fly, showing the hind wings reduced to drumstick-shaped halteres
Insecticides can be used. Larvicides kill the developing larvae, but large quantities may need to be used to reach areas below the surface. Aerosols can be used in buildings to "zap" houseflies, but outside applications are only temporarily effective. Residual sprays on walls or resting sites have a longer-lasting effect. [44]
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 ...
The Asian Acanthacorydalis fruhstorferi can have a wingspan of up to 21.6 cm (8.5 in), making it the largest dobsonfly and the largest aquatic insect in the world by this measurement. [ 4 ] [ 5 ] The wings vary from a grayish to translucent shade, depending on the species, and the anal region of the hindwing is wide and folded at rest.
At the end of the pupal stage, tsetse emerges as adult flies. The adults are relatively large flies, with lengths of 0.5–1.5 centimetres (1 ⁄ 4 – 5 ⁄ 8 in), [7] and have a recognizable shape, or bauplan, which makes them easy to distinguish from other flies. Tsetse have large heads, distinctly separated eyes, and unusual antennae.
Gauromydas heros can reach a length of 7 centimetres (2.8 in) and a wingspan of about 10 centimetres (3.9 in). It is the largest fly known. It is the largest fly known. The wing membrane is whitish, brown or orange, with a hyaline apex and a posterior margin.