Provespa

Provespa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Suborder:	Apocrita
Family:	Vespidae
Subfamily:	Vespinae
Genus:	Provespa
Species
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Provespa is a small genus of Vespidae, made up of nocturnal wasps from Southeast Asia. They are the only nocturnal members of the subfamily Vespinae, and also the only vespines where new colonies are formed by swarming (one queen attended by a large number of workers, similar to honey bees). They tend to build their nests from fibrous plant material, making them a uniform greyish brown colour which is often difficult to locate.

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Wikipedia