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A number of insect orders (or more precisely families within them) have mouthparts that pierce food items to enable sucking of internal fluids. Some are herbivorous, like aphids and leafhoppers , while others are carnivorous, like assassin bugs and female mosquitoes .
The mouthparts of orthopteran insects are often used as a basic example of mandibulate (chewing) mouthparts, and the mandibles themselves are likewise generalized in structure. They are large and hardened, shaped like pinchers, with cutting surfaces on the distal portion and chewing or grinding surfaces basally .
The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the center (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
In general, arthropods have mouthparts for cutting, chewing, piercing, sucking, shredding, siphoning, and filtering. This article outlines the basic elements of four arthropod groups: insects, myriapods, crustaceans and chelicerates. Insects are used as the model, with the novel mouthparts of the other groups introduced in turn.
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The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the center (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
The mouthparts of Arthropoda such as insects; typically labrum, mandible, maxilla, labium. trophus The singular form of trophi (rarely used). uncate hook-like, as in the mouthparts of many fly larvae. (also uncinate) uncinate hook-like, as in the mouthparts of many fly larvae. (also uncate) unguis (plural ungues) the claws at the tip of most ...
The development of insect mouthparts from the primitive chewing mouthparts of a grasshopper in the centre (A), to the lapping type (B) and the siphoning type (C). Legend: a - antennae c - compound eye lb -labium lr - labrum md - mandibles mx - maxillae. The insect mouthparts consist of the maxilla, labium, and in some species the mandibles.