cuckoo wasp

noun

1. any of several small, metallic-green or -blue wasps of the family Chrysididae that deposit their eggs in nests of other wasps.

Example Sentences

He told her that he was interested in the cuckoo wasp.

From The Guardian

And who cares what the cuckoo wasp’s eco-role is?

From New York Times

There is only one case known of a cuckoo wasp, and that resembles its host even more closely than do the cuckoos of the humble bees.

From Project Gutenberg