1–4 Oobius agrili female (from USDA Forest Service laboratory colony, East Lansing, Michigan, USA; of China origin), 1 hind leg 2 antenna 3 lateral habitus 4 forewing base 5–6 Oobius buprestidis female (holotype), 5 lateral habitus 6 antenna 7–8 Oobius dahlsteni female (holotype) 7 dorsal habitus 8 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