Family Megaspilidae Ashmead 1893 (wasp)
Insecta - Hymenoptera - Megaspilidae
Synonym: Calliceratidae
Full reference: W. H. Ashmead. 1893. Monograph of the North American Proctotrypidae. Bulletin of the United States National Museum 45:1-463
Parent taxon: Ceraphronoidea according to M. S. Engel 2025
See also Archibald et al. 2018, Carpenter 1992 and Sharkey 2007
Sister taxa: Ceospilidae, Ceraphronidae, Maimetshidae
Subtaxa: Lagynodes Lagynodinae Megaspilinae
Ecology:
Distribution:
• Miocene of Spain (2 collections)
• Eocene of Canada (1: British Columbia), India (1), the Russian Federation (4)
• Cretaceous of Canada (1: Alberta), the Russian Federation (2), United States (1: New Jersey)
Total: 12 collections including 14 occurrences