Pakistan Journal of Biological Sciences1028-88801812-5735Asian Network for Scientific Information10.3923/pjbs.1999.199.200Pieris brassicae (Linnaeus) (Lepidoptera: Pieridae) under Laboratory Conditions]]>AslamMuhammad SulemanNazia 1199921In two experiments conducted in the Department of Entomology, University of Arid Agriculture, Rawalpindi, the duration of larval, pupal and adult stages of Pieris brassicae (Linnaeus) was concluded as 10.25, 7.50 and 5.75 days respectively. The larval, pupal and adult survival was recorded as 83, 62 and 42 percent. The sex ratio was computed as 2.23: 1.00. The average number of eggs laid per female was 141,25, The larvae preferred radish leaves, while medium number of larvae was attracted to cabbage and the lowest to sarson and turnip.]]>Aslam, M.,198442828Aslam, M.,1994633Atwal, A.S.,1976pp: 407-409pp: 407-409Dahms, R.G.,19721254259Edwards, C.A. and G.W. Heath,1964Pages: 418Pages: 418Fraser, S.M.,19971997pp: 15-33pp: 15-33Hill, D.S.,1987Pages: 659Pages: 659Kakakhel, S.A., M. Amjad and N. Islam,1995Pieiis brassicae L. (Lepidoptera: Pieridae) on oilseed (Brassica species).]]>117984Kogan, M.,19941994pp: 73-128pp: 73-128Mahmood T. and Z. Alam,198442730Rataul, H.S.,1959Pieris brassicae (L.).]]>16255265Shah, M.A. and A.A. Hashmi,19941994Pages: 542Pages: 542Smith, K.M.,19512nd Edn.,Pages: 289Pages: 289