†subfamily Cuspilonginae Kopylov and Rasnitsyn 2016 (stem sawfly)

Insecta - Hymenoptera - Cephidae

Full reference: D. S. Kopylov and A. P. Rasnitsyn. 2016. Cephidae (Hymenoptera) of the Mesozoic. Euroasian Entomological Journal 15(S1):78-83

Parent taxon: Cephidae according to S. B. Archibald et al. 2018

See also Kopylov and Rasnitsyn 2016

Sister taxon: Cephinae

Subtaxa: Cuspilongus

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Type: Cuspilongus

Ecology:

Distribution:

• Eocene of Canada (1: British Columbia collection)

• Cretaceous of Mongolia (1)

Total: 2 collections each including a single occurrence

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