mesothorax


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Related to mesothorax: mesothoracic

mes·o·tho·rax

 (mĕz′ə-thôr′ăks′, mĕs′-)
n. pl. mes·o·tho·rax·es or mes·o·tho·ra·ces (-thôr′ə-sēz′)
The middle of the three divisions of the thorax of an insect, bearing the middle pair of legs and the first pair of wings.

mes′o·tho·rac′ic (-thə-răs′ĭk) adj.

mesothorax

(ˌmɛsəʊˈθɔːræks)
n, pl -raxes or -races (-rəˌsiːz)
(Zoology) the middle segment of the thorax of an insect, bearing the second pair of walking legs and the first pair of wings. See also prothorax, metathorax
mesothoracic adj

mes•o•tho•rax

(ˌmɛz əˈθɔr æks, -ˈθoʊr-, ˌmɛs-, ˌmi zə-, -sə-)

n., pl. -tho•rax•es, -tho•ra•ces (-ˈθɔr əˌsiz, -ˈθoʊr-)
the middle segment of the three divisions of the thorax of an insect, bearing the second pair of legs and the first pair of wings.
[1820–30]
mes`o•tho•rac′ic (-θɔˈræs ɪk) adj.
References in periodicals archive ?
The pronotum in Coleoptera are greatly enlarged found between the head and mesothorax [4].
Collar segment with two very large papillae without setae in dorsal region; dorsal sclerotized plate occupying pro and mesothorax with a row of setae on superior margin; pleural papillae very well developed and one spiracle each side of the plate (Figure 12).
Mesothorax brownish yellow shaded widely with gray except, carinae and margins black; rest of thorax yellowish.
Margin of prothorax ocher with a white spot dorsally on mesothorax, and a conspicuous black spot dorsally on A4 to A5 abdominal segment.
No humeral bristles and, associated with the rearward extension of the mesothorax, most posterior of 3 bristles on each notopleuron well behind other two bristles.
5 [micro]L of the solution, containing ah aliquot of each one of the treatments, was applied directly on the larval mesothorax of S.
Pronotum long, slightly swollen above upper end of epomia, epomia itself long and very strong, mesoscutum centrally rather finely and sparsely punctate with hairs, laterally weakly punctulate with setae; notauli present but weak and shallow; mesopleuron with sparse fine setiferous punctures; epicnemial carina rather straight, not reaching anterior margin of mesopleuron and exceeding level of lower corner of pronotum; sternal part of mesothorax 1.
The mesothorax of Diptera species has become enlarged to contain the enormous flight muscles as a result of their reliance on the forewings for flight.
The dorsal longitudinal flight muscles (DLMs) are situated immediately ventral to the dorsal portion of the mesothorax (Pfau and Koch 1994).