biological and demographic parameters of the mealybug ladybird, cryptolaemus montrouzieri (mulsant) were evaluated on citrus mealybug, planococcus citri (risso) and obscure mealybug, pseudococcus viburni (signoret) under 24 ± 2 ºc, 80 ± 5% relative humidity and a photoperiod of 16:8 (l: d) h. the mealybugs had a significant effect on developmental time and reproductive and demographic parameter...

dried fruit mite, carpoglyphus lactis l. not only to being one of the serious and economic pests of some stored products, but also to be used as an alternative prey for commercially mass rearing of predatory mites. in this study, life table parameters of dried fruit mite were examined on baker's yeast under laboratory conditions at three photoperiods including full darkness, full light and 16 :...

ladybird beetles are of a special standing in aphid biological control. they attack different aphid species and play an important role in suppressing aphid populations. one of the most conspicuous coccinellids namely hippodamia variegata, occurs in such different crops as alfalfa and vegetables. life history parameters of this predator at 25 ± 1 ?c and 16:8 (l: d) photoperiodicity were evaluate...