Abstract
The performance of lac insect, Kerria lacca (Kerr.) was evaluated on four genotypes of Flemingia, viz., F. macrophylla, F. paniculata, F. semialata and colchiploid of F. macrophylla during three baisakhi crop seasons to determine density of larval settlement, their mortality, sex ratio, fecundity and yield of brood lac. The later three important parameters were in favour of F. paniculata, whereas no significant differences were observed on larval settlement and their mortality in any of the plant species under study, except very high sex ratio in favour of males on F. paniculata which, however, also did not affect the lac yield.
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