Abstract
Investigation on comparative biology of green lace wing, Chrysoperla zastrowi arabica Henry et al . (Neuroptera : Chrysopidae) was carried out in the Bio-control Laboratory, Navsari Agricultural University, Navsari, Gujarat during 2007 to 2009. The results on comparative biology of C. zastrowi arabica on two aphid species viz ., Aphis gossypii Glower and Myzus persicae (Sulzer) revealed that average duration of total developmental period was 18.70 ± 0.64 and 18.93 ± 0.55 days when reared on A. gossypii , and M. persicae , respectively. The egg laying capacity of C. zastrowi arabica was recorded 754.25 ± 143.47 and 601.75 ± 89.43 eggs when reared on A. gossypii and M. persicae , respectively. Study on predatory potential of C. zastrowi arabica revealed that single larva consumed an average of 627.60 ± 42.39 and 587.5 ± 55.59 numbers (nymphs and adults) of A. gossypii and M. persicae , respectively.
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