T. semistriatus 172 female (USNMENT00896318), head, anterior view 173 female (USNMENT00896062), head, anterior view 174 female (USNMENT00896262), head, anterior view 175 female (USNMENT00896226), head, anterior view 176 female (USNMENT00896205), head, anterior view 177 female (USNMENT00896254), head, anterior view. Scale bars in millimeters.

 
 
  Part of: Talamas EJ, Buffington ML, Hoelmer K (2017) Revision of Palearctic Trissolcus Ashmead (Hymenoptera, Scelionidae). In: Talamas EJ, Buffington ML (Eds) Advances in the Systematics of Platygastroidea. Journal of Hymenoptera Research 56: 3-185. https://doi.org/10.3897/jhr.56.10158