SAREEN, M. L., GILL, A., BISWAS, S., & GILL, K. (1988). FEMALE ACCESSORY GLANDS WITH THEIR PROBABLE HOLE IN A SYRPHID FLY, ERISTALIS ARVORUM FABR. UTTAR PRADESH JOURNAL OF ZOOLOGY, 8(1), 53–58. Retrieved from https://www.mbimph.com/index.php/UPJOZ/article/view/1058