Gymnocarpium

Dendroctonus terebrans: Black Turpentine Beetle Dendroctonus terebrans: Black Turpentine Beetle- Photographs and a description of this insect, its distribution, biology, hosts, detection, prevention and management. Dendroctonus frontalis: Southern Pine Beetle Dendroctonus frontalis: Southern Pine Beetle- Photographs and a description of this serious pest, its distribution, biology, hosts, detection, prevention and control.