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[25] [26] These flies have complex cutting mouthparts that make a superficial wound in skin. Blood flowing into the wound is sponged up by the labella organ of the mouthparts (see photograph of Tabanus mouthparts). The flies tend to take small meals from many hosts at short intervals, to avoid the defensive actions of their hosts.
Some moths do not feed after emerging from the pupa, and have greatly reduced, vestigial mouthparts or none at all. All but a few adult Lepidoptera lack mandibles (the superfamily known as the mandibulate moths have fully developed mandibles as adults), but also have the remaining mouthparts in the form of an elongated sucking tube, the proboscis.
Unlike houseflies, adult black soldier flies have greatly reduced sponging mouthparts, meaning they can only consume liquids such as flower nectar, although they typically do not eat at all. Unlike houseflies, which regurgitate food along with digestive enzymes, adult black soldier flies therefore do not spread pathogens or diseases.
Flies have a mobile head, with a pair of large compound eyes, and mouthparts designed for piercing and sucking (mosquitoes, black flies and robber flies), or for lapping and sucking in the other groups. Their wing arrangement gives them great manoeuvrability in flight, and claws and pads on their feet enable them to cling to smooth surfaces.
M. stabulans, along with almost two dozen other species of flies have been named the “disease-causing flies.” [14] Species of flies such as M. stabulans can spread bacterial and viral pathogens via transfer from its feet or mouthparts. Adult female flies tend to lay eggs in decaying material such as food or dead organisms and fresh fecal ...
All meals must be a fluid in order for the flies to access the meal because Megaselia scalaris has sponging mouthparts. [11] This is a characteristic common to the family Phoridae. The sharp teeth possessed by adults are not used in retrieval of a food source, like a piercing mouthpart, but are instead used to aid digestion and breakdown of ...
The flies are pool feeders. Their saliva, which contains anticoagulants, a number of enzymes and histamine, is mixed with the blood, preventing clotting until it is ingested by the fly. These bites cause localized tissue damage, and if the number of feeding flies is sufficient, their feeding may produce a blood-loss anaemia.
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.