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The insect body is divided into three parts: the head, thorax, and abdomen. [2] The head is specialized for sensory input and food intake; the thorax, which is the anchor point for the legs and wings (if present), is specialized for locomotion; and the abdomen is for digestion , respiration , excretion , and reproduction.
Part of the schema of wing venation. Also called the posterior cubital cell and often called the anal cell. see File:Phytomyzinae wing veins-1.svg central shade or median shade Taxonomically important term used in moth description. It is a transverse band in the median area of the wing. See figures 4, 5 ceratophagy (Also spelled keratophagy)
All insects have antennae, however they may be greatly reduced in the larval forms. Amongst the non-insect classes of the Hexapoda, both Collembola and Diplura have antenna, but Protura do not. [9] Antennal fibrillae play an important role in Culex pipiens mating practices. The erection of these fibrillae is considered to be the first stage in ...
The wings, head parts of thorax, and abdomen of Lepidoptera are covered with minute scales, from which feature the order Lepidoptera derives its names, the word lepidos in Ancient Greek meaning "scale". Most scales are lamellar (blade like) and attached with a pedicel, while other forms may be hair like or specialised as secondary sexual ...
The following 11 pages use this file: Arthropod head problem; Insect; Insect morphology; Suboesophageal ganglion; Supraesophageal ganglion; Ventral nerve cord; Wikipedia:Featured picture candidates/Insect anatomy diagram; Wikipedia:Featured picture candidates/May-2014; Template:Image key; Template:Image key/doc; Portal:Insects
A Mesosternum, B Metasternum, 1 first abdominal sternite, 2-6 rest of sternites The sternum ( pl. : sterna ) is the ventral portion of a segment of an arthropod thorax or abdomen . In insects , the sterna are usually single, large sclerites , and external.
An insect uses its digestive system to extract nutrients and other substances from the food it consumes. [3]Most of this food is ingested in the form of macromolecules and other complex substances (such as proteins, polysaccharides, fats, and nucleic acids) which must be broken down by catabolic reactions into smaller molecules (i.e. amino acids, simple sugars, etc.) before being used by cells ...
Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes, and a pair of antennae. Insects are the most diverse group of animals, with more than a million described species ; they represent more than half of all animal species.
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