Xenos (insect)

Xenos is a genus of insects belonging to the family Stylopidae. The word derives from the Greek word for strange. A species of the genus is "Xenos vesparum", first described by Pietro Rossi in 1793. The females are permanent entomophagous endoparasites of "Polistes" paper wasps. They dwell their whole lives in the abdomens of wasps.