A maximalist approach to the systematics of a biological control agent: Gryon aetherium Talamas, sp. nov. (Hymenoptera, Scelionidae) Author Talamas, Elijah J. https://orcid.org/0000-0002-1048-6345 Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA elijah.talamas@fdacs.gov Author Bremer, Jonathan S. Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA Author Moore, Matthew R. Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA Author Bon, Marie-Claude https://orcid.org/0000-0001-5914-1682 USDA-ARS-EBCL, Montpellier, France Author Lahey, Zachary https://orcid.org/0000-0002-9402-9570 Department of Evolution, Ecology, and Organismal Biology, The Ohio State University, Columbus, OH, USA Author Roberts, Cheryl G. Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA Author Combee, Lynn A. Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA Author McGathey, Natalie Florida Department of Agriculture and Consumer Services, Gainesville, FL, USA Author van Noort, Simon https://orcid.org/0000-0001-6930-9741 Iziko South African Museum, Cape Town, South Africa Author Timokhov, Alexander V. https://orcid.org/0000-0001-7040-6290 Lomonosov Moscow State University, Moscow, Russia Author Hougardy, Evelyne https://orcid.org/0000-0001-7537-470X USDA-ARS-ISPH, Albany, CA, USA Author Hogg, Brian USDA-ARS-ISPH, Albany, CA, USA text Journal of Hymenoptera Research 2021 2021-12-23 87 323 480 http://dx.doi.org/10.3897/jhr.87.72842 journal article http://dx.doi.org/10.3897/jhr.87.72842 1314-2607-87-323 E343379ED04447ABA1ED47B3F01F3E59 D03A96052A8550F9918BB08ACA344FB9 5811493 Gryon gryonis Mineo Gryon gryonis Mineo, 1990a: 172 (original description); Johnson, 1992: 384 (cataloged, type information). Comments. The holotype specimen is very small, only about 0.7 mm in length, and is light in color. This makes it challenging to illustrate and interpret characters with brightfield photography. We believe that this species should remain in Gryon based on the apparently 4-merous clava, absence of transverse sculpture in the frontal depression, the glabrous metapleuron that is not dorsoventrally divided by sculpture or setation, and the presence of subgenual spines on the hind tibia (Figures 79-82 ). The lateral pit on T1 appears to be present but is difficult to discern. The shape of the clypeus and the presence of striation inside the axillar crescent could not be reliably determined from the images of the anterior head and lateral mesosoma, respectively (Figures 79 , 81 ). Figures 79-82. Gryon gryonis , holotype female 79 habitus, lateral view 80 mesosoma and T1, lateral view 81 head, anterior view 82 head and mesosoma, anterolateral view.