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Genus Vespa
- type genus of the Vespidae: various hornets and yellow jackets
Genus Vespula
- sometimes considered a subgenus of Vespa: social wasps
Genus Sphecius
- large solitary wasps: cicada killer
Genus Cynips
- type genus of the Cynipidae: gall wasps
Genus Amphibolips
- cynipid gall wasps, especially causing oak-apple galls
Genus Andricus
- cynipid gall wasps, chiefly affecting oaks