Pine Sawfly

Diprion pini, the common pine sawfly, is a sawfly species in the genus Diprion. It is a serious pest of economic forestry, capable of defoliating large areas of pine forest. Since it feeds until late in the autumn, affected trees are weakened and often die in the subsequent winter. The species is found all across Europe, with outliers elsewhere. It affects the Scots, mountain, eastern white, radiata, lodgepole and black pines. Scots pines are not generally...