Key in early stages of development. I am aware of several issues and errors. Use at your own risk!
References
Goulet H. & Huber J. T. (1993). Hymenoptera of the world: an identification guide
to families. Agriculture Canada Publication, Ottawa
Nastasi L. F.,
Kresslein L. R.,
Fowler K. O.,
Flores S. R. F. (2023) Biodiversity & Classification of Wasps, 1st Edition. WaspID Course.
SLU Artdatabanken (2024). Artfakta: Hymenoptera.
https://artfakta.se/taxa/3000186 [2024-04-26]
Finlands Artdatacenter (2024). LAJI.FI: Hymenoptera.
https://laji.fi/sv/taxon/MX.43122 [2024-04-26]