. Annual report of the Commissioners of Fisheries, Game and Forests of the State of New York . months old, a deep burrow is made, Explanation of Plate ). y3Qcrar Aaplc Poorer {Plagionotus speciosus Say). 1. Place where egg was laid, showing excrement or borings thrown out by borer. la. Another more than normally discolored. 2. Borer or grub in September from egg laid the same season. 3. Nearly full grown borer. 4. Adult or beetle. 5. Hole through which the beetle escaped from the trunk. 6. Sawdust or borings packed in burrow. ?\apte Tree Praner {Elaphidion villosum Fabr.). 7. Grub or borer in
. Annual report of the Commissioners of Fisheries, Game and Forests of the State of New York . months old, a deep burrow is made, Explanation of Plate ). y3Qcrar Aaplc Poorer {Plagionotus speciosus Say). 1. Place where egg was laid, showing excrement or borings thrown out by borer. la. Another more than normally discolored. 2. Borer or grub in September from egg laid the same season. 3. Nearly full grown borer. 4. Adult or beetle. 5. Hole through which the beetle escaped from the trunk. 6. Sawdust or borings packed in burrow. ?\apte Tree Praner {Elaphidion villosum Fabr.). 7. Grub or borer in its burrow, a portion of the twig being cut away to show its work. Ja. Small twig with only a thin shell of bark, the woodbeing nearly all eaten. 8. Pupa in the burrow. The base of both twigs represented has been nearly eaten off by the larva. 9. Adult or beetle. Cottony T\Q]>\z Tree <3^a^ Insect {Pidvinaria innumerabilis Rathv.). 10. Active or recently hatched young. 11. Adult females, many eggs can be found in the woolly masses. 12. Leaf with many young scales on its under REPORT OF THE COMMISSIONERS OF FISHERIES, GAME AND FORESTS. 3; usually penetrating about four inches in an upward, oblique direction toward the heartof the tree and then running some distance parallel with the grain of the wood, asrepresented in figure 9, which was drawn from a photograph. At the end of this deepburrow the larva transforms to a pupa and from that to a beetle, the beautiful adultemerging from the trunk through an oval hole (Plate 3, figure 5) about three eighthsby five eighths inch in diameter. The only natural enemies observed preying on this insect are woodpeckers. records having seen them at work. Mr. A. H. Kirkland has seen the hairywoodpecker, the downy woodpecker and the flicker feeding onwhite larvae taken from beneath the bark of infested trees. Associated Insects. As previously pointed out, the sugarmaple borer attacks trees in their prime. It is well know
Size: 1371px × 1823px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectforests, bookyear1895
