SEHGAL, JATINDER, H.S. ROSE, and AVTAR KAURSIDHU. “STUDIES ON BIOLOGY OF CATOPSILIA POMONA (FABRICIUS), THE COMMON EMIGRANT AND C. PYRANTHE (LINNAEUS), THE MOTTLED EMIGRANT (LEPIDOPTERA : PIERIDAE) FROM PUNJAB”. UTTAR PRADESH JOURNAL OF ZOOLOGY 30, no. 3 (March 10, 2010): 335-343. Accessed August 8, 2020. https://www.mbimph.com/index.php/UPJOZ/article/view/355.