Seeds and Cones
From Bugwoodwiki
Hagle, S.K; S. Tunnock; K.E. Gibson; and C.J. Gilligan. 1987. Field Guide to Diseases and Insect Pests of Idaho and Montana Forests. U.S. Department of Agriculture, Forest Service. State and Private Forestry, Northern Region. Missoula, Montana. Reprint 1990. Publication Number R1-89-54.
- 1 Damage within cones; boring dust, frass, or itch evident on exterior of cone --- 2
- 1’ Damage on exterior of cone; puncture holes present; may have pitch at puncture --- 3
- 2 Larva within cone has evident legs --- Coneworms
- 2’ Larva within cone is legless grub --- Pine Cone Beetle
- 3 Adult or immature (nymph) true bug; body longer than wide; may be brightly colored; hind leg flattened, adults strong fliers --- Seed Bugs
- 3’ Not as described above. May be less important cone feeders or predaceous insects not covered in this guide.