In this study, we described age structure, body size, mass and the relationships among these parameters for a population of P. caucasicus from Lake Borçka Karagöl, Artvin, Turkey. The mean SVL with standard error was 45.87 mm ± 0.55 (range: 39.98-50.28 mm) weight 8.81 g 0.39 6.10-11.47 g) in females whereas 48.16 0.45 43.64-54.78 11.32 0.25 9.56-14.80 males, respectively. We found significant m...

The brown marmorated stink bug, Halyomorpha halys Stål (Hemiptera: Pentatomidae), is an invasive pest in America, Europe and Asia causes serious economic loss to crops, nuisance problems during overwintering. Uninvaded southern hemisphere countries, such as New Zealand Australia, see increase H. border interceptions the northern populations’ overwintering period large aggregations of can settle...