Reference:

Polidori, C., Casiraghi, M., Lorenzo, M. D., Valarani, B., & Andrietti, F., 2006. Philopatry, nest choice, and aggregation temporal–spatial change in the digger wasp Cerceris arenaria (Hymenoptera: Crabronidae). Journal of ethology, 24, 155-163.

URL:

https://link.springer.com/content/pdf/10.1007/s10164-005-0176-0.pdf

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