25 Oobius minusculus male (paratype), mesosoma 26–29 Oobius whiteorum 26 antenna (holotype female) 27 a pair of wings (holotype female) 28 dorsal habitus (holotype female) 29 genitalia (paratype male) 30 Oobius zahaikevitshi female (environs of Volgograd, Krasnoarmeyskiy District, Volgograd Province, Russia), antenna 31 Oobius minusculus female (holotype), a pair of wings 32 Oobius whiteorum (paratype male), antenna.

 
 
  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