A simple method for laboratory rearing of codling moth on artificial diet is
explained and tested. The present study revealed important aspects of the
insect rearing. Rearing quality raised up to ٩٥٪ under high sanitary rearing
conditions. Optimal
number of larvae in each container (enough amount of diet
per larva) and suitable uncrowded moths in rearing cage were determined to
give the best fertility.
A trial to control codling moth, Cydia pomonella L., by releasing the egg
parasitoid Trichogramma cacoeciae Marchal, was conducted for the first time
at Syria in Al-Sweida Mountains, ٢٠٠١. This experiment was carried out in a
young commercial appl
e orchard in Jabal Urman, Sweida. T. cacoeciae (Sy٢
strain) was released two times at a rate of ١٥٠ parasitoids/ tree/ release.
Efficacy in reduction of fruit damage was ٣٤,٣٧٪ comparing with untreated
one. Results showed that ٢ applications of this rate at the second generation
were not efficient to prevent damage above the economic threshold but it could
be used as a part of an integrated pest management program of this pest.
Several factors that affect Trichogramma efficacy in the field are discussed.
