Abstract
Members of Trichogramma genus are the most widely used as natural enemies in biological control programs. Choice of natural enemies is known to have a critical important for the succession of biological control. Their morphologic identification has some bottlenecks as laborious, time-consuming and mostly based on very small structures of the bodies. Molecular techniques have been widely used for detection, discrimination, phylogenetic analysis, identification and characterization in biological control agents belong to Trichogramma spp. In this study, the efficacy of the direct sequencing analysis of internal transcribed spacer locus of rDNA was investigated for analyzing the genetic variation within nine Trichogramma brassicae population from corn growing areas in Düzce province. The comparison of the sequences was performed with other ITS2 locus of Trichogramma species available in GenBank database. The result of analyses indicated that no genetic variation was determined in the Düzce population.
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