Biology and morphometrics of cocoa mealy bug, Planococcus lilacinus (Cockerell)
2024
VENUGOPAL H. M. | JAYALAXMI NARAYAN HEGDE | NAMITHA N.V. | DARSHAN R
Investigation on the biology of Cocoa mealy bug, Planococcus lilacinus was carried out at College of Agriculture, Navile, UAHS, Shivamogga during 2016-17 and study revealed that the fecundity of mealy bugs ranged from 130 to 288 eggs per female with mean±SD of 216.5±47.17. Female mealy bugs had only three instars, while the males had four instars. Total nymphal duration ranged from 16 to 24 days with mean±SD of 20.17±3.52. The total life cycle of the female mealy bug, P. lilacinus ranged from 27 to 41 days and that of males ranged from 20 to 32 days with mean±SD of 33.83±5.54 and 26.22±5.79, respectively.
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