Publications Volume 8-16 download free [PDF and Ebook] by Philippines Bureau Laboratories

Publications Volume 8-16 download free [PDF and Ebook] by Philippines Bureau Laboratories year 2012
  • Book name: Publications Volume 8-16
  • Author: Philippines Bureau Laboratories
  • Release date: 2012/10/14
  • Language: English
  • Genre or Collection: Not Available
  • ISBN: 9781130496574
  • Rating: 9.93 of 10
  • Votes: 347
  • Review by: Jasiah Maloney
  • Review rating: 8.51 of 10
  • Review Date: 2019/1/27
  • Total pages: 124
  • Includes a PDF summary of 11 pages
  • Description or summary of the book: This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 Excerpt: ...insects at present known to attack the roots are a species of large, ferocious ant, a species of Cicada, and the grub, of a beetle belonging to the.genus Anomala, but not yet identified. The ants are black and are characterized by the ability to inflict a very severe sting. The abdomen is constricted between the first and second segments, the first segment having two backwardpointing spines on the upper part. The head, thorax, and first and second abdominal segments are beautifully corrugated. The legs and antennae or feelers are very long. The light-brown cocoons, made of a silk paper, are usually very abundant in the nests, which are located at the base of the tree among the larger roots. Within these cocoons may be found the white grubs, which are shaped very much like a long-necked gourd, the head being at the smaller end. (See fig. 1 c.) The larvae or grubs, before spinning their cocoon, and the eggs are simply deposited by the workers in any convenient part of the nest. The adults are the only injurious forms of these insects. They gnaw the bark from the large roots. thus inviting decay, and making an opening for the entrance of the insidious white ant, another very serious enemy of the cacao, belonging to the genus Termes. The latter is called anay in Visayan and Tagalog, and is probably the most serious insect pest in the Philippines, destroying, as it does, nearly every conceivable class of material except articles made of metal. It has hitherto been supposed to attack only woods which had been previously cut, but in the work of investigation on cacao insects it has been conclusively proven that it also attacks the living tree, at least in the case of cacao. (See fig. 2.) In the United States the members of the genus Cicada are restricted to not mo...
  • Estimated reading time (average reader): 5H43M4S
  • Other categories, genre or collection: Not Available
  • Available formats: HTML, EPUB, LIT, DOC, WORD, TXT, XPS, PDF. Compressed in TBZ2, ZIP, RAR, TAR.BZ2, CHM, TBZ
  • Download servers: Dropbox, BitShare, Syncthing, 4Shared, FileServe, MEGA, CloudBuckIt, Hotfile
  • Format: Paperback
  • Approximate value: 21.32 USD
  • Dimensions: 189x246x7mm
  • Weight: 236g
  • Printed by: Not Available
  • Published in: Miami Fl, United States

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