Reference:

Scaramozzino, P.L., I. Currado, G. Vergano & Tromellini C., 1991. Nesting behaviour of adventive Isodontia mexicana (Saussure) in Piedmont (Italy North-West) (Hymenoptera Sphecidae). - Ethology Ecology and Evolution 3: 39-42.

URL:

https://www.researchgate.net/publication/260705764_Nesting_behaviour_of_adventive_Isodontia_mexicana_Saussure_in_Piedmont_Italy_North-West_Hymenoptera_Sphecidae

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