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Seasonal abundance of lepidopteran pests infesting cabbage in relation to weather parameters
The population of Crocidolomia binotalis (Zeller), Hellula undalis, Plutella xylostella (Linnaeus) and Spodoptera litura (Fabricius) on cabbage varied from 3.8 to 44.0 larvae/quadrat during rainy and winter seasons 2006–07, respectively.
Biology of Chrysoperla carnea (Stephens) on Corcyra cephalonica (Stainton).
A study on biology of Chrysoperla carnea on Corcyra cephalonica indicated that the mean incubation period of C. carnea was observed to be significantly minimum on neonate larvae of C., followed by unsterilized and sterilized eggs ofC.
Bio-efficacy of different insecticides against safflower aphids (Uroleucon compositae Theobald)
Studies on bio-efficacy of six insecticides against safflower aphids showed that dimethoate 0.03 percent and imidacloprid 0.004 per cent were the most effective treatments for the control of saff Lower aphids.
Biology of Zygogramma bicolorata (Pallister) on Parthenium hysterophorus (Linnaeus)
Overall suitability of plant parts indicated that the Z. bicolorata preferred more tender leaves as compared to older leaves, tender + older leaves and flowers.
Biology of Cryptolaemus montrouzieri (Mulsant) on Maconellicoccus hirsutus (Green) at different temperature levels
Longevity of male and female beetles of C. montrouzieri was found to be 87.00 and 96.00 at different temperature levels and the incubation period, mean larval duration, growth index, pupal duration and per cent adult emergence of the beetle was observed to be 14.89, 5.20 and 2.53 days respectively.
Biology of Mallada boninensis (Okamoto) on three species of aphids
Overall suitability of host insects indicated that the B. brassicae was preferred more by M. boninensis as compared to L. erysimi and U. carthami.
Biology of Cryptolaemus montrouzieri Mulsant on mealy bugs and aphids
A study on biology of Cryptolaemus montrouzieri on mealy bugs and aphids indicated that the incubation period of C. montrouzieri was observed to be significantly minimum to the extent of 4.59 days on
Field life-tables and key mortality factors of Lepidoperous pests of sunflower
the lepidopterous pest viz., Helicoverpa armigera (hubner) passed through two generations while, Amsacta moorie (buttler), passed through one generation each during summer. the highest larval