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Gall midge larvae, and many adults, are orange or yellow in color due to carotenoids. [10] Cecidomyiidae are among the very few animals which can synthesize carotenoids, but its unknown to what degree de novo biosynthesis of carotenoids accounts for their characteristic color as opposed to dietary sequestration or endosymbionts. [ 11 ]
A midge is any small fly, including species in several families of non-mosquito nematoceran Diptera. Midges are found (seasonally or otherwise) on practically every land area outside permanently arid deserts and the frigid zones.
Polytene chromosomes were originally observed in the larval salivary glands of Chironomus midges by Balbiani in 1881. They form through repeated rounds of DNA replication without cell division, resulting in characteristic light and dark banding patterns which can be used to identify inversions and deletions which allow species identification.
Chironomus zealandicus, commonly known as the New Zealand midge, common midge, or non-biting midge, is an insect of the Chironomidae family that is endemic to New Zealand. The worm-like larvae are known to fisherman and have a common name of blood worm due to their red color and elongated blood gills .
Chaoboridae, commonly known as phantom midges or glassworms, is a family of fairly common midges with a cosmopolitan distribution. They are closely related to the Corethrellidae and Chironomidae ; the adults are differentiated through peculiarities in wing venation.
The Cecidomyiinae, commonly known as gall midges or gall gnats, is the largest subfamily in Cecidomyiidae with over 600 genera and more than 5000 described species. [1] Larvae of the other ( basal ) cecidomyiid subfamilies feed on fungi; whereas this subfamily is best known for its members that induce galls on plants.
During the spring and summer, males create mating swarms which people can find quite a nuisance, though adults do not bite or feed. Females lay egg masses in water where the egg mass will grow and sink to the bottom. The larvae stay at the bottom in silken tubes. [4] The larvae feed on organic material such as organic debris and algae.
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