Bark Beetle Fauna (Coleoptera: Curculionidae: Scolytinae) of the

Coniferous Forests and Control Studies in Artvin of Turkey

Temel GÖKTÜRK¹                   Yaşar AKSU²

²Artvin Forest Department, Forest Protection, Artvin, Turkey.

Abstract

Bark beetles (Coleoptera: Curculionidae: Scolytinae) are among an important the pests in coniferous forests of the Artvin of Turkey. This forest areas were effected by bark beetles at nearly 30 years. In this study, bark beetle species were determined in the coniferous forests of the Artvin forests areas of Turkey between 2010-2016. During the seven year period, which studies were conducted, surveying studies were made. For this aim, trees weakened by other insects or drought, cutting remaining and storage woods and also trap trees were checked. As a result, we found 24 bark beetle species. These species; Hylastes angustatus, Hylastes ater, Hylastes cunicularius, Hylurgops palliatus, Tomicus piniperda, Tomicus minor, Dendroctonus micans, Ips acuminatus, Ips cembrae, Ips amitinus, Ips duplicatus, Ips sexdentatus, Ips typographus, Xyloterus lineatus, Cryphalus abietis, Cryphalus piceae, Pityogenes bidentatus, Pityogenes quadridens, Pityogenes chalcographus, Pityogenes bistridentatus, Pityokteines curvidens, Pityokteines spinidens, Orthotomicus erosus, Orthotomicus proximus. Most of these insects are damaging on Picea orientalis, Pinus sylvestris and Abies nordmanniana. Among these species, especially I. typographus, D. micans and I.sexdentatus are the most common. The size of these bark beetles population was tried to keep under control using mechanical control, biotechnological control and biological control.

Keywords: Bark beetles, Artvin coniferous forest