POPULATION FLUCTUATION OF HAPLOTHRIPS TRITICI (KURDJUMOV, 1912

Population fluctuation monitoring of wheat thrips Haplothrips tritici (Kurdjumov, 1912) (Thysanoptera: Phlaeothripidae) was evaluated on the Tosunbey (wheat) and Tarım92 (barley) cultivars by weekly samplings from plant emergence to harvest season in 2016 2017 Isparta (Center). Adult nymphal stages individuals were collected using direct sampling shake-out methods. In method, cut above-ground part brought laboratory polyethylene bags. forced fall into a white container making 50 strikes (totally) plants, taken eppendorf tubes containing 70% alcohol with help mouth aspirator. The adults separated under stereomicroscope their presence numbers recorded. population H. (adult, nymph egg stages) variety reached high 28.77 8.85 specimens/ear June 13 2017, respectively. highest barley recorded as 3.22 3.2 May 25 It is thought that decrease density may be due number rainy days compared 2016.