Pham, Phong Huy, and P. Girish Kumar. “Biogeography and Distribution Pattern of Solitary Wasps from Vietnam (Hymenoptera : Vespidae : Eumeninae)”. Records of the Zoological Survey of India, vol. 115, no. 2, June 2015, pp. 171-7, doi:10.26515/rzsi/v115/i2/2015/120722.