Palestrini, C., Pavan, G., & Zunino, M. (1990). Acoustic signals and stridulatory apparatus in Copris incertus Say (Coleoptera Scarabaeidae: Coprinae). ACTA ZOOLÓGICA MEXICANA (N.S.), (39), 1–18. https://doi.org/10.21829/azm.1990.37391690