prothorax

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prothorax

(prō-thôr′ăks′)
n. pl. pro·thoraxes or pro·thoraces (-thôr′ə-sēz′)
The anterior division of the thorax of an insect, bearing the first pair of legs.

pro′tho·rac′ic (-thə-răs′ĭk) adj.

prothorax

the first thoracic segment in insects.
References in periodicals archive ?
Pronotal lateral lobe polished dark brown, almost black; posterio-ventral corner occupied by a triangular wedge of light brown which tapers forward to end on the prothoracic episternum.
(1940) Induction of pupation in the silkworm by transplanting the prothoracic gland.
Meso- and metathoracic legs were subequal in length and longer than prothoracic legs (Table I).
Length of the prothoracic tibia was measured using a stage micrometer and camera lucida.
The specific name "hexadentatus" means 6 teeth, referring to the number of teeth on the larval prothoracic spatula of the new species.
Preliminary nanoinjections of octopamine in the prothoracic ganglion show decreased phonotactic responsiveness in young females.
Second, the prothoracic legs bear two articulated pretarsal claws in African Laccocorinae, whereas a single immovable claw is fused to the protibia in Naucorinae.
Stage-specific effects of Campoletis sonorensis parasitism on Heliothis virescens development and prothoracic glands.