[PDF][PDF] Potentiality of Micraspis discolor (F.) as a biocontrol agent of Nilaparvata lugens (Stal)

MA Begum, M Jahan, MN Bari, MM Hossain… - Journal of Biological …, 2002 - academia.edu
Life cycle of Micraspis discolor (Fabricious), a predator of brovvn plant hopper (BPH),
Nilaparvata fugens (Stal) vvas studied in the laboratory and its potentiality in biological
control was investigated. A female M. discc/or laid an average of 1 1 7.7 eggs in 25. 1 days
of oviposition period. Preoviposition period ranged from 5-1 O days vwith an average of 6, 6
days. The eggs hatched in 2-3 days with 83.7% hatching success. Predator had 4 larval
instars requiring a total period of 12-15 days. Mean developmental period of the predator …
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