. Bulletin - New York State Museum. Science. Fig. 26 Sugar maple borer, parent beetle (origiual) this pest. The white, legless, fleshy grubs of this beetle fre- quently cause serious injury by running transverse burrows just beneath the bark. The stout, black beetles, about 1 inch long, with bright yellow markings, occur from June to August. They deposit eggs in the bark, and these places become more apparent later through sap flowing from the living tissues gnawed by the grub and producing a discoloration around the wound. Treatment: burn badly infested trees. Search for places where eggs hav
. Bulletin - New York State Museum. Science. Fig. 26 Sugar maple borer, parent beetle (origiual) this pest. The white, legless, fleshy grubs of this beetle fre- quently cause serious injury by running transverse burrows just beneath the bark. The stout, black beetles, about 1 inch long, with bright yellow markings, occur from June to August. They deposit eggs in the bark, and these places become more apparent later through sap flowing from the living tissues gnawed by the grub and producing a discoloration around the wound. Treatment: burn badly infested trees. Search for places where eggs have been deposited and dig out the young borers in the fall. Protect trees with carbolic soap wash from June to August. 35 Maple tree pruner ( E 1 a p h i- dion villosum). Small limbs of maple, oak and other trees nearly eaten off by an insect and dropping in September, usu- ally contain the burrows of this species. The parent of the borer is a nearly cy- lindric, brown beetle which usu- ally remains with- in the fallen twig till the next June. collect infested limbs on the ground and burn be- fore spring. 36 Elm leaf beetle ( G a 1 e r u - cella luteola). Irregular round holes are eaten in young foliage, followed by the grubs gnawing the under portions of the leaves, which then dry and. Fig. 28 Maple tree pruner (original) Treatment. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; New York State Museum. Albany : New York State Education Dept
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectscience, bookyear1887
