Abou-Bakr, H., Helmi, N., El Hussieni, M., & Kamel, A. (1993). Adult Food and Soil Mixture as Factors Affecting Egg-Laying in Pachnoda fasciata F. (Coleoptera: Scarabaeidae). Beiträge Zur Entomologie = Contributions to Entomology, 43(1), 123–127. https://doi.org/10.21248/contrib.entomol.43.1.123-127