Biology of Pieris brassicae (Linnaeus) (Lepidoptera: Pieridae) under laboratory conditions
1999
Aslam, M. | Suleman, N. (University of Arid Agriculture, Rawalpindi (Pakistan). Dept. of Entomology)
In 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.
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