Gryon xanthogaster 83 holotype female (USNMENT00989056), head and mesosoma, lateral view 84 holotype female (USNMENT00989056), head, anterior view 85 holotype female (USNMENT00989056), head and mesosoma, dorsal view 86 female (UCFC 026 738), head and mesosoma lateral view 87 female (UCFC 026 738), habitus, dorsolateral view.

  Part of: Talamas EJ, Bremer JS, Moore MR, Bon M-C, Lahey Z, Roberts CG, Combee LA, McGathey N, van Noort S, Timokhov AV, Hougardy E, Hogg B (2021) A maximalist approach to the systematics of a biological control agent: Gryon aetherium Talamas, sp. nov. (Hymenoptera, Scelionidae). In: Lahey Z, Talamas E (Eds) Advances in the Systematics of Platygastroidea III. Journal of Hymenoptera Research 87: 323-480.