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Both horse-flies and botflies (Oestridae) are sometimes referred to as gadflies. [4] Adult horse-flies feed on nectar and plant exudates; males have weak mouthparts, but females have mouthparts strong enough to bite large animals.
Mouthparts of Tabanus horse-fly: sensory palp at left, sponging labella at center, skin-piercing elements at right. Haematopota pluvialis tabanid fly showing distinct patterns on eyes and wings. Antennae consist of three relatively short segments with asymmetric shapes. Brachyceran flies are of medium to large size and compact shape.
Tabanus is a genus of biting horseflies of the family Tabanidae.Females have scissor-like mouthparts that are able to penetrate the skin of livestock animals. The horsefly can then extract and ingest the animal's blood.
The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the centre (A), to the lapping type (B) of a bee, the siphoning type (C) of a butterfly and the sucking type (D) of a female mosquito. Legend: a, antennae; c, compound eye; lb, labium; lr, labrum; md, mandibles; mx, maxillae; hp hypopharynx.
Fly bites. Single large horsefly bite on left leg above ankle with yellow measuring tape. ... On the other end of the spectrum, horse flies and deer flies use "blade-like" mouthparts to slash the ...
These relatively large and slender horseflies have clear wings and green or green with red shades eyes. The female's eyes have three bands, while in males they have just two bands. In any case the eyes are without hair. Females have scissor-like mouthparts that aim to cut the skin and then lap up the blood. Thorax has greyish longitudinal bands.
Adults fly flies from mid-May to mid-July, with a peak in late June. The females of this species are blood-sucking from grazing cattle (mainly cows and horses), but they mainly feed on nectar. They may also feed on human blood. Males only feed on nectar. Larvae live in boggy soil and in moss. [6] [7]
Head of a horse-fly showing large compound eyes and stout piercing mouthparts A head of a fly, showing the two compound eyes and three simple eyes clearly. Flies have a mobile head with a pair of large compound eyes on the sides of the head, and in most species, three small ocelli on the top. The compound eyes may be close together or widely ...