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The trophi, or mouthparts of a locust, a typical chewing insect: 1 Labrum 2 Mandibles; 3 Maxillae 4 Labium 5 Hypopharynx. Examples of chewing insects include dragonflies, grasshoppers and beetles. Some insects do not have chewing mouthparts as adults but chew solid food in their larval phase.
An advantage over conventional flyswatters is that the electrical models do not have to crush the fly against a surface to kill it, avoiding the smeared mess this can create. [27] Electric swatters kill insects when airborne, not resting on a surface. Insects on a surface will start flying as the swatter approaches, so it can strike them.
Fly spray contains chemicals (including many organophosphate compounds) that bind to and permanently block the action of an enzyme called acetylcholinesterase. [1] Acetyl choline (ACh) is the nerve transmitter substance released by motor neurones (at a site called the neuromuscular junction ) to stimulate muscle contraction .
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 ...
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.
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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.
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