mesothorax

American  

[mez-uh-thawr-aks, -thohr-, mes-, mee-zuh-, -suh-] / ˌmɛz əˈθɔr æks, -ˈθoʊr-, ˌmɛs-, ˌmi zə-, -sə- /

noun

plural

mesothoraxes, mesothoraces

1. 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.

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mesothorax British  

/ ˌmɛsəʊˈθɔːræks, ˌmɛsəʊθɔːˈræsɪk /

noun

1. 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

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Other Word Forms

• mesothoracic adjective

Etymology

Origin of mesothorax

First recorded in 1820–30; meso- + thorax

Example Sentences

Post-sutural: in Trichoptera, the little plate behind the scutellum of mesothorax: = post-scutellum.

From Explanation of Terms Used in Entomology by Smith, John. B.

Head, antennae, and feet yellow; eyes black; the scutellum of prothorax yellow; the scutum of mesothorax black, with the scutellum yellow; the scutum of metathorax yellow, with the scutellum black, and the axillae yellow.

From Three Expeditions into the Interior of Eastern Australia, Volume 1 by Mitchell, Thomas

These are the mesothorax and the first eight abdominal segments.

From The Glow-Worm and Other Beetles by Teixeira de Mattos, Alexander

Lastly, we count nine pairs of stigmata: one pair on the mesothorax and the rest on the first eight segments of the abdomen.

From The Glow-Worm and Other Beetles by Teixeira de Mattos, Alexander

Lastly, there are nine pairs of stigmata, one pair on the mesothorax and the eight following pairs on the first eight segments of the abdomen.

From The Glow-Worm and Other Beetles by Teixeira de Mattos, Alexander