17–18 Oobius depressus female 17 dorsal scutellum (lectotype) 18 dorsal habitus (paralectotype) 19 Oobius zahaikevitshi female (environs of Volgograd, Krasnoarmeyskiy District, Volgograd Province, Russia), forewing 20–21 Oobius hasmik female (paratype) 20 antenna 21 forewing 22–23 Oobius longoi female (from University of California laboratory colony, Riverside, California, USA; of Australia origin), 22 antenna 23 forewing 24 Oobius nearcticus female (holotype), lateral habitus.

  
 
  Part of: Triapitsyn SV, Petrice TR, Gates MW, Bauer LS (2015) Two new species of Oobius Trjapitzin (Hymenoptera, Encyrtidae) egg parasitoids of Agrilus spp. (Coleoptera, Buprestidae) from the USA, including a key and taxonomic notes on other congeneric Nearctic taxa. ZooKeys 498: 29-50. https://doi.org/10.3897/zookeys.498.9357