It should be noted that in 2014 and 2015 the export of Georgian hazelnuts reached 183 and 176 million dollars and production of hazelnuts became one of the most profitable fields in Georgian agriculture and an important income for over 40,000 families. Due to the damage (lower yield and bad quality of kernel) caused by the Brown Marmorated Stink Bug the income of the farmers in 2016 dicreased by 40 million dollors. BMSB First appeared in Georgia in 2015. The rapid growth of the population of the pest puts in danger not only hazelnuts, but also production of grapes, corn, apples and vegetables. If proper measures are not taken against the Brown Marmorated Stink Bug, the impact caused by this pest mey put the development of Georgian Ariculture several years back.
Brown Marmorated Stink Bug (BMSB) Halyomorpha halys (Stäl) (Pentatomidae) is an invasive pest. It likes warm temperature and propagates when the temperature is from 15 to 33 degrees (embrio can develop in 15 degrees but the larvae dies). The best temperature for its development is 20-25 degrees. The full cycle from the egg to imago in conditions of 20 degrees lasts for 80-85 days. If the temperature is 30 degrees, than the period is 34-35 days.