A study was conducted in the Biocontrol Laboratory, Department of Entomology, College Agriculture, OUAT, Bhubaneswar, Odisha during 2020-21 to record influence larval diets on pupal period and size cocoon Chrysoperla zastrowi sillemi (Esben-Peterson). Six i.e. T1 (Purple aphid, Aphis craccivora Koch.), T2 (Green Myzus persicae (Sulzer)), T3 (Mustard Lipaphis erysimi (Kalt.)), T4 (Papaya mealy b...