Xenos vesparum

Xenos vesparum is a parasitic insect species of the order Strepsiptera that are endoparasites of paper wasps in the genus Polistes (most commonly Polistes dominula) that was first described in 1793.[1] Like other members of this family, X. vesparum displays a peculiar lifestyle, and demonstrates extensive sexual dimorphism.

Xenos vesparum
Male Xenos peckii in its winged insect stage (1), and female Xenos rossii in its neotenic stage (2).
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Subfamily:
Xeninae
Genus:
Species:
Xenos vesparum

Rossi, 1793