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; suborder Symphyta, superfamily Evanioidea)

Family of black symphytans, 3–15 mm long, which are somewhat spider-like in appearance. The small abdomen is carried on a long petiole, the thorax is very stout, and the coxae are grooved to receive the long trochanters. Adults are found in association with Blattodea (cockroaches) whose oothecae they parasitize.

Subjects: Zoology and Animal Sciences.

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