Abstract
Biological control agents is considered as an important factor of IPM strategy, efforts have been and are still being made to evaluate the effects of residual insecticides on natural enemy population. The commercial of predators and parasitoids, using factitious hosts, such as, the Angoumois Grain Moth (AGM), Sitotroga cerealella (Olivier), the Mediterranean Flour Moth (MFM), Ephestia kuehniella Zeller and the Rice moth (RM), Corcyra cephalonica (Stainton) proved successful approach. This study involved, technical improvement for egg laying, collecting the eggs and testing of different collection techniques, manual and automatic rotation cylinders were studied. The main finding indicated that, the total eggs laying during 55 days from 21 trays containing Sitotroga adults reached 478.072 g in case of the mechanical cardboard, while it introduced 289.46 g in case of the manual rotation. Moreover, the patent no. of 2005020071 under the title Egg laying collecting machine for the hosts of mass production was obtained during this work modified machine for egg laying and collection for the mass of insect host.
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