Insecta - Hymenoptera - Cleistogastridae

Full reference: A. V. Martynov. 1925. To the knowledge of fossil insects from Jurassic beds in Turkestan. 3. Hymenoptera, Mecoptera. Izvestiya Akademii Nauk SSSR 19(16-17):753-762

Belongs to Mesaulacinus according to A. P. Rasnitsyn 1975

Sister taxa: Mesaulacinus areolatus, Mesaulacinus mongolicus, Mesaulacinus niger, Mesaulacinus rasnitsyni, Mesaulacinus sculpturatus, Mesaulacinus stenocerus, Mesaulacinus tenuis

Type specimen: PIN 2452/465, an exoskeleton (female). Its type locality is Karatau-Karabastau (PIN collection 2452), which is in a Callovian/Oxfordian lacustrine siltstone in the Karabastau Formation of Kazakstan.

Ecology:

Average measurements (in mm): body length 5.00, forewing 2.30 x 1.20, ovipositor length 1.70