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Image from page 792 of “Indian forest insects of economic importance. Coleoptera” (1914)

Image from page 792 of “Indian forest insects of economic importance. Coleoptera” (1914)
Diseases STDs
Identifier: indianforestinse00stebuoft
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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Text Appearing Before Image:
thefemale will carry her tunnel deeper down into the wood to escape the heatof the sun and the consequent more rapid drying of the outer sapwoodwhich the removal of the bark will ensure. The beetle attacks trees in swarms, so that a few days are sufficient forthe insects to have penetrated an unbarked log throughout its entire length,and the damage to the timber will then be irremediable, since it must beremembered that this damage is entirely the work of the beetle, and iscarried out within a period of,from ten days to a fortnight. Thanasimus himalayensis, Stebbing.—In Jaunsar and Chamba I notedthat this predaceous clerid (described on p. 508) feeds upon this Crossotarsus in the imago stage. I do not know whether the larvae Predaceous Insect, crawl down the tunnels in the wood to attack the platypid grubs. The beetle catches the platypus insect on the bark of the tree whilst it is searching for a spot at which to tunnelin, or whilst engaged in the preliminary stages of tunnelling.

Text Appearing After Image:
Crossotarsus cnijrac. Std>.. in deodar. The plate depicts the male and female beetles and a splitsection of a part of tin- trunk d a tree showing the egg-tunnels in the wood. North-West Himalaya. FAMILY PLATYPODIDAE 617

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