Reference:

Scaramozzino, P.L., I. Currado & Vergano G., 1994. Nesting behaviour of Isodontia mexicana (Saussure) in Piedmont (Hymenoptera: Sphecidae). – Atti XVII Congresso nationale italiano di Entomologica, Udine 13-18 guigno 1994: 897-898.

URL:

https://www.researchgate.net/profile/Pier-Scaramozzino/publication/330441062_English_translation_Nesting_behaviour_of_Isodontia_mexicana_Saussure_in_Piedmont_Hymenoptera_Sphecidae/data/5c403c8a92851c22a37ae53b/Scaramozzino-al-1994-translNesting-behaviour-of-Isodontia-mexicana-Saussure-in-Piedmont-Hym-Sphecidae.pdf

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