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Abstract
Megalurothrips distalis (Karny) is an oligophagous and pollinivorous species invading invariably the flowers of leguminous crops and causes considerable damage to the flowers. Two species of anthocorid bugs, namely, Carayonocoris indicus Muraleedharan and Orius maxidentex Chauri were collected from leguminous flowers. The biology and predatory efficiency of the bugs were studied by rearing the bugs on M. distalis . The feeding rate of C. indicus was 112 individuals and that of O. maxidentex 145 thrips per predator during the period of their five larval stages. The intrinsic rate of increase in number of thrips was 0.21, while that of C. indiclis and O. maxidentex were 0.118 and 0.112 respectively. The population doubling time (OT) of the prey and the predator was 3.3, 5.9 and 6.2 days under laboratory conditions. As the two species occur together, the collective efforts of the predators will certainly reduce thrips infestation under field conditions.
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