metathorax

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

metathorax

[¦med·ə′thȯr‚aks]
(invertebrate zoology)
Posterior segment of the thorax in insects.
References in periodicals archive ?
Propodeal striae variable, limited to central area or extending to border with metapleuron. WL 16-21 mm ...
23).--Sculpturing mostly granular coriaceous; notauli weak, shallow and smooth; mesopleuron granular coriaceous; metapleuron with wrinkles posteriorly; propodeum rugose-coriaceous, with mid-longitudinal carina complete and some diverging wrinkles laterally.
Metapleuron smooth, with sparse white pilosity, denser along lower and hind margins.
For example, pronotum and metapleuron widths showed no correlation with other traits after size-adjustment.
Metapleuron smooth and bare over most of surface, with dense white pilosity along hind margin.
Metapleuron uniformly punctate with hairs, and with a weak to strong stria at posterior margin of submetapleural carina.
Mesosoma: pro- and mesonotum with 13 fine, parallel, continuous carinae, only slightly irregular, interspaces smooth, at least twice as wide as carinae; sides of pronotum with 6 irregular fine carinae, interspaces smooth; posterior area of mesopleuron and anterior area of metapleuron with 5 carinae, slightly rugose between carinae; propodeal spines triangular, shorter than anterior dorsal face of petiole.
schuhi is the presence of a more reddish colored rather than velvety black patch on the metapleuron (1-1), present in the majority of Hypseloecus taxa.
Metapleuron, propodeum, petiole and postpetiole (except dorsal sides) with fine reticulation.