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; suborder Apocrita, superfamily Chalcidoidea)

Family of small or minute, sexually dimorphic, black wasps which live within the flowers on fig trees and help to pollinate them, the males rarely emerging from the fruits. The head of the winged female is long and somewhat oblong with a deep, median, longitudinal groove; males are nearly always wingless. The front and middle legs are stout, and the front tibiae have no spurs. The hind legs are slender. The males have thick antennae, with 3–9 segments. Mating occurs within flowers and there is often fighting between males.

Subjects: Zoology and Animal Sciences.

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