Reference:

Asís, J. D., Tormos, J., & Gayubo, S. F., 1994. Biological observations on Trypoxylon attenuatum and description of its mature larva and its natural enemy Trichrysis cyanea (Hymenoptera: Sphecidae, Chrysididae). Journal of the Kansas Entomological Society, 199-207.

URL:

https://www.jstor.org/stable/25085509

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