New infestation of Asian chestnut gall wasp in eastern black sea region, Turkey: a potential threat to natural regional chestnut population



The chestnut gall wasp (Dryocosmus kuriphilus Yasumatsu, 1951) is currently the most dangerous pest for the Anatolian chestnut (Castanea sativa Mill.). C. sativa is one of the most important wood species due to its economic role for the country’s economy. The chestnut gall wasp causes economic damage owing to crop loss in chestnut production, and severe invasions may cause in the death of chestnut trees. In this study, we reported the infestation of the D. kuriphilus from a new distribution area (the Eastern Black Sea Region). Distribution of the introduced species is detected in a very narrow vicinity of a single valley but the presence of the species is thought to be very new, and the cause of the infestation is the plantation of chestnut seedlings which had been imported outside the country. We discussed the possible effects of the pests on chestnut trees and the pest is thought to be spread across the entire Black Sea region and Caucasia within 10-15 years if precautions are not taken against to this species. Data on the biology, host plant and the distribution of the chestnut gall wasp in Turkey, are also presented.


Cynipidae; Chestnut; gall wasp; pest; Dryocosmus kuriphilus; Turkey.

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