【摘要】Acantholyda erythrocephala\%, a kind of destructire insect, is found recently in Shenyang, China. Its host tree is \%Pinus\% spp. especially \%Pinus tabulaeformis\% and \%P.densiflora\%. The injured branch, tip will be withered or even died. The harmful period of the larvae is about one month. There...