The chaetotaxy of the thorax of a muscoid fly

Chaetotaxy is taxonomy based on the position and size of bristles on an insect or the arrangement itself. It is especially important in Diptera in which group it was formalised by Ernst August Girschner.

Morphology and chaetotaxy of the head of a fly (Muscomorpha)

The chaetotaxy of a fly might include :- acrostichal, dorsocentral, humeral, mesopleural, sternopleural , notopleural , postalar, supraalar and scutellar bristles on the thorax ; dorsal, posterodorsal, anterodorsal, ventral, posteroventral and anteroventral bristles on the legs and ocellar, orbital, postvertical, vibrissal, outer vertical and inner vertical bristles on the head.


  • Capinera, J.L. (editor). 2008. Encyclopedia of Entomology, 2nd Edition. Vols. 1-4. Springer, Dordrecht, The Netherlands. ISBN 1-4020-6242-7.
  • McAlpine, J.F. 1981 Morphology and terminology - Adults. - In: McAlpine, J.P. et al. (eds.): Manual of Nearctic Diptera, vol. 1; p. 9-63 - Ottawa: Research Branch, Agriculture Canada, Monograph 27.

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Look at other dictionaries:

  • Chaetotaxy — Ch[ae] to*tax y, n. [Gr. ? hair + ? arrangement.] (Zo[ o]l.) The arrangement of bristles on an insect. [1913 Webster] …   The Collaborative International Dictionary of English

  • chaetotaxy — ˈkēd.ōˌtaksē noun ( es) Etymology: chaet + taxy 1. : the arrangement or pattern of bristles on an arthropod (as a mosquito, mite, or larva) 2. : the study of chaetotaxy * * * …   Useful english dictionary

  • chaetotaxy — n. [Gr. chaite, hair; taxis, arrangement] Pattern, arrangement and nomenclature of bristles on any part of the exoskeleton; chaetotactic, chaetotaxal adj …   Dictionary of invertebrate zoology

  • chaetotaxy — chaetotactic /kee teuh tak tik/, adj. /kee teuh tak see/, n. Entomol. the arrangement of bristles on the exoskeleton of an insect. [1890 95; CHAETO + TAXY] * * * …   Universalium

  • chaetotaxy — noun The arrangement of bristles …   Wiktionary

  • chaetotaxy — The form, number, and shapes of the setae [Wilson, 1989] …   Crustacea glossary

  • chaetotaxy — chae·to·taxy …   English syllables

  • dipteran — /dip teuhr euhn/, adj. 1. dipterous (def. 1). n. 2. a dipterous insect. [1835 45; DIPTER(A) + AN] * * * Any member of the more than 85,000 species in the insect order Diptera (the two winged, or true, flies), characterized by the use of only one… …   Universalium

  • Chaeta — A chaeta or cheta (see spelling differences) is a chitinous bristle or seta found on an insect, arthropod or annelid worms such as the earthworm, although the term is also frequently used to describe similar structures in other invertebrates. The …   Wikipedia

  • Mycetophilidae — Tetragoneura sylvatica (Curtis), 1837 Scientific classification Kingdom …   Wikipedia

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