Indian forest insects of economic importance. Coleoptera

Description:

Identifier: indianforestinse00stebuoft (find matches)
Title: Indian forest insects of economic importance. Coleoptera
Year: 1914 (1910s)
Authors: Stebbing, Edward Percy, 1870-1960
Subjects: Beetles Forest insects -- India Trees -- Diseases and pests
Publisher: London Eyre & Spottiswoode
Contributing Library: Earth Sciences - University of Toronto
Digitizing Sponsor: MSN

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ood in Germanyor France you will find felled greentrees at intervals lying to one sideof the road or path. These treeshave been felled with the expresspurpose of enabling the forest officerto keep himself informed as to thepresence of and abundance of thebark-boring and timber-boring in-sect pests which infest the parti-cular species of tree of which hisforest is composed. By cutting offa square of bark at the period atwhich he knows the insects willbe on the wing in the forest, hewill be able at once to ascertaintheir abundance. For both bark-borers and wood-borers will resortto these freshly felled trees to ovi-posit instead of searching for sicklytrees or fresh windfalls in the forestitself. He will, therefore, find theseinsects at work boring through thebark to oviposit in the bast, or tun-nelling: down into the timber to FIG. 24-Interior of section of a stem, showing lay. their eSgs there lf atpupating-chambers of a longicorn beetle. period he finds these trees full of : TIME VI.
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