Investigations on the development of a biocontrol agent against the alarming stored food pest Corcyra cephalonica has witnessed noteworthy growth in current years from mainly physiological studies, to tackling fundamental queries concerning the underlying mode of action. Chitinase from Trichoderma viride, which has inauspicious effects on feeding behavior, development and biochemical parameters...

The Indianmeal moth, Plodia interpunctella (Hübner), is a cosmopolitan pest of stored products, infesting most commodities in warehouses and grain bins. We studied the susceptibility of Indianmeal moth adults and larvae to seven entomopathogenic nematode species and strains. The nematodes studied wereHeterorhabditis bacteriophora Poinar (HP88, Lewiston, andOswego strains); H. indicaPoinar,Karun...

A formal citrus insect pest survey was conducted in two citrus growing districts of Kenya, Bungoma and Machakos, to determine important insect pests of citrus and evaluate the pest control practices used by small-scale farmers. Observations were made on the insect pests and their damage, methods of pest control practiced, pesticide products used, sources of farming knowledge and how decisions t...

Insecticide susceptibility in tobacco budworm, Heliothis virescens (F.) (Lepidoptera: Noctuidae), was determined for 8 yr (1991-2001) with larvae sampled from cotton in southern Tamaulipas, Mexico. Before 1996, when Bollgard cotton expressing the Cry1A(c) delta-endotoxin was introduced into the region, two important patterns were documented. The first was economically significant increases in r...

This study evaluated the toxicity and repellent activities of essential oils (EOs) against Sitophilus granarius (Linnaeus, 1758), both in vitro vivo conditions. The EOs obtained from Thymus pallescens No??. (Lamiaceae) Cymbopogon citratus Stapf. (Poaceae) were analyzed by GC-MS, revealed that carvacrol (56.64%) geraniol (20.8%) as respective major components. T. EO was found to be a more effect...

Pulse beetle, Callosobruchus chinensis is one of the major stored pests pulses. There were various factors that influence ovipositional behaviour C. chinensis. The preference host specificity for oviposition by female pest very important to lay maximum number eggs and also survival a species. Bigger size, smooth surface, deep coat coloured seeds are most suitable oviposition. combination temper...