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n. pl. met·a·tho·rax·es or met·a·tho·ra·ces (-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.


n, pl -raxes or -races (-rəˌsiːz)
(Zoology) the third and last segment of an insect's thorax, which bears the third pair of walking legs and the second pair of wings. See also prothorax, mesothorax
metathoracic adj


(ˌmɛt əˈθɔr æks, -ˈθoʊr-)

n., pl. -tho•rax•es, -tho•ra•ces (-ˈθɔr əˌsiz, -ˈθoʊr-)
the posterior division of the thorax of an insect, bearing the third pair of legs and the second pair of wings.
met`a•tho•rac′ic (-θɔˈræs ɪk, -θoʊ-) adj.
References in periodicals archive ?
Elytra orange-yellow with two black spots on the metathorax on either side near elytral base (Fig.
We also reassess a previous hypothesis (Soto-Adames 2002) about the homology of setae on the metathorax and 1st abdominal segment of Metasinella based on the evaluation of the new species from Nevis.
Most of the leafhopper are of green color firing at the yellow, The distinction is bases on the very clear white points on the head, the pronotum and the metathorax, as well as a vein particularity (one of the 3 apical vein of the elytron come from an apical cell and the other two veins come from median cell).
viridis exhibits (at least in the last four instars), a gleaming white dorsal stripe from the occiput toward or reaching the base of the supra-anal plate, various white lines and maculations on the margins and lateral fields of the of the pronotum, white diagonal bands on the meso- and metathorax, and white longitudinal carinae on the face of the hind femora (Fig.
Metathorax + propodeum dull, completely granulated, with posterior surface not transversely striate.
Third instar nymph: Head and abdomen whitish;brain area broader than first instar; teeth of mandibles pigmented; Meso and metathorax with distinct wing pads.
Thorax: Dorsally white; patagium and tegula white, a few specimens with tegula grey and metathorax dorsally grey.
The suture between the metathorax and the first abdominal segment is marked by a carinae with a medial tubercle and two smooth lateral spaces and then some irregular tubercles.