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n.1.(Zool.) The segment of the body of an insect to which the wings are attached; the thorax.
References in periodicals archive ?
Integument mostly smooth and shining with a few indistinct fossae on the anterior part of head and minutely and densely punctulate sculpture in lower sides of alitrunk, also in front and behind of petiolar peduncles (Brown & Kempf 1969).
An ocular micrometer was used to measure alitrunk lengths for up to ten individuals of each species.
Among the ants we collected, there was nearly a six-fold increase in alitrunk length from the smallest species (Solenopsis molesta) to the largest (Camponotus pennsylvanicus).