40 Trissolcus occiduus 72 female (USNMENT00877675), head, mesosoma, metasoma, dorsal view 73 female (USNMENT00764995), head, mesosoma, metasoma, lateral view 74 female (OSUC 76126), head and mesosoma, lateral view 75 female (USNMENT00764995), head, anterior view. Scale bars in millimeters.

 
 
  Part of: Talamas EJ, Johnson NF, Buffington M (2015) Key to Nearctic species of Trissolcus Ashmead (Hymenoptera, Scelionidae), natural enemies of native and invasive stink bugs (Hemiptera, Pentatomidae). Journal of Hymenoptera Research 43: 45-110. https://doi.org/10.3897/JHR.43.8560