metathorax

(redirected from Metapleuron)
Also found in: Dictionary, Encyclopedia.
Related to Metapleuron: metathorax

metathorax

(mĕt′ə-thôr′ăks′)
n. pl. meta·thoraxes or meta·thoraces (-thôr′ə-sēz′)
The hindmost of the three divisions of the thorax of an insect, bearing the third pair of legs and the second pair of wings.

met′a·tho·rac′ic (-thə-răs′ĭk) adj.

metathorax

the posterior of the three thoracic segments in insects, bearing the third pair of jointed legs and the hind pair of wings.
Mentioned in ?
References in periodicals archive ?
However, inspection of the columns in the matrix showed that only head width and metapleuron length exhibited significant correlations (albeit weakly) with any other traits after size adjustment.
Metapleuron smooth, bare in most of anterior half, the rest with white pilosity which is dense in less than posterior half.
For mesopleuron, metapleuron and ventral abdominal laterotergites II and III see under "Pterothorax--lateral parts." Ventral pilosity of first tarsal segment strikingly dense.
Mesosoma mostly orange, mesoscutum with two ferruginous spots (submedial one bigger than posterior one); propleuron, mesopleuron and metapleuron light orange.
The characters distinguishing the new species are the following: head and mesosoma partly black or brown; antennal segments 4-5 not broader than other segments; posterior ocelli not touching occipital carina; pronotum partly black, humped, with distinct posterior collar; scutum punctate, unsculptured among punctures; metapleuron without shiny and unsculptured area; dorsal surface of propodeum more than twice as long as posterior surface; segment 1 of protarsus slightly longer than segment 4.
warana, both with orange head, by: scapus, pedicellus, mesopleuron and metapleuron brown to blackish; prominent anterior median knob on first tergite of metasoma.
Ventral surface yellowish matte with darker and rougher punctures than dorsal side; evaporatorium on meso and metapleuron darkened.
Thorax black; posterior margin of katepimeron, metapleuron yellow, a small median spot on posterior margin of mesoscutellum light brown.
Notauli indistinct, metanotum smooth, propodeum smooth with a longitudinal carina diverging distally, pronotum with longitudinal carina, mesopleuron and metapleuron smooth and shiny.
Thoracic pleura and sterna: Each side of proepisterna provided anteriorly with a thick collarlike tumescent ridge delimited by deep transverse furrow, posterior margin of mesopleurite roundedly projecting posteriad just ventrad of humeri; mesopleuron without peculiarities; metapleuron with a well-developed scent gland ostiole situated slightly mediad to middle of metapleuron, associated with a long, evenly curved peritreme of various length (Fig.