Karyotyping of European Fruit Scale Parthenolecanium corni (Bouché) on almond trees in Village of Rankous (Damascus Countryside Governorate) Syria

Abstract

karyotyping of European Fruit Scale Parthenolecanium corni(Bouché) studied on almond trees in Village of Rankous-Syria in 2008. Results showed there are 16 chromosomes of the insect by using the technique of squashing preparations described by Gavrilov and Trapeznikova (2007) without use of dry ice and substituting it with freezing at -140°C (Cryo Freezer).