Pimplinae are a worldwide subfamily of the parasitic wasp family Ichneumonidae. Pimplinae are parasitoids of Holometabola, often the pupae of Lepidoptera. Various species parasitize the egg sacs and adults of spiders. Those species that parasitize eggs are ectoparasitic idiobionts. Females perforate the silk of the egg sacs and lay their egg(s) directly onto the surface of the eggs within them. After hatching, the parasitoid larvae feed externally on the eggs and kill most of the eggs in the process. Pimplinae are generally sturdy black insects with orange markings. The first tergite is box-like with the spiracle anterior to the middle. There are 95 genera listed below.

List of genera

Delomeristini Hellén, 1915 Ephialtini Hellén, 1915 Pimplini Wesmael, 1845 Theroniini Cushman & Rohwer, 1920

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