Download PDF, EPUB, Kindle Economic Entomology Volume 79; Pamphlets
Download PDF, EPUB, Kindle Economic Entomology Volume 79; Pamphlets
Economic Entomology Volume 79; Pamphlets.cBooks Group
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Author: Books Group
Page Count: 318 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Format: eBook
ISBN: 9781130126990
File size: 44 Mb
Download Link: Economic Entomology Volume 79; Pamphlets
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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. 1912 Excerpt: ... breeding in the nuts. Thus, Brooks, writing in I9io, f describes and illustrates the injury to the nuts by the adults and larvse of this insect. Dr. F. H. Chittenden, of the Bureau of Entomology, in a letter to the senior author, as late as June loth, 1911, states: "This species has never been given careful study to my knowledge, and I have never had an opportunity of testing any remedy against it. I am familiar with its habits, however, having studied it when at Ithaca, LeConte, Proc. Am. Phil. Society, Vol. XV, p. 226, 1876. t Brooks, West Virginia Agricultural Experiment Station, Bull. 128, p. 176, 1910. THE WALNUT WEEVIL OR CURCULIO. 243 N. Y., and found that the' larva develops chiefly from the nuts of the walnut." The first intimation that the insect breeds also in walnut stems came to us from Dr. Morris, who, in July, 1909, sent to this office specimens which he had observed "apparently at work upon a young shoot of Juglans regia." In July, 1911, he sent more specimens and wrote as follows: "You speak of the injury to the fruit. That is not where the great damage is done. Eggs are laid in the leaf axils, beginning just as soon as the leaves appear. Later eggs are laid also in the stems of the leaves, and later yet in the fruit Some of my young trees are all but ruined already. It is a terrible pest. The Japanese walnuts, Juglans sieboldiana and J. cordiformis, are their favorites, then comes the English walnuts, /. regia. The chief local tree for attack is the butternut, /. cinerea." In August of the same year Mr. A. B. Champlain, then an assistant in this department, discovered larvae working in the new growth of /. sieboldiana at Lyme, Conn., and brought samples to the Station insectary, where he bred the adults of Con...
Read online Economic Entomology Volume 79; Pamphlets Buy Economic Entomology Volume 79; Pamphlets Download Economic Entomology Volume 79; Pamphlets for pc, mac, kindle, readers Download to iPad/iPhone/iOS, B&N nook Economic Entomology Volume 79; Pamphlets
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Economic Entomology Volume 79; Pamphlets.cBooks Group
Author: Books Group
Page Count: 318 pages
Published Date: 01 Mar 2012
Publisher: Rarebooksclub.com
Publication Country: Miami Fl, United States
Language: English
Format: eBook
ISBN: 9781130126990
File size: 44 Mb
Download Link: Economic Entomology Volume 79; Pamphlets
---------------------------------------------------------------
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. 1912 Excerpt: ... breeding in the nuts. Thus, Brooks, writing in I9io, f describes and illustrates the injury to the nuts by the adults and larvse of this insect. Dr. F. H. Chittenden, of the Bureau of Entomology, in a letter to the senior author, as late as June loth, 1911, states: "This species has never been given careful study to my knowledge, and I have never had an opportunity of testing any remedy against it. I am familiar with its habits, however, having studied it when at Ithaca, LeConte, Proc. Am. Phil. Society, Vol. XV, p. 226, 1876. t Brooks, West Virginia Agricultural Experiment Station, Bull. 128, p. 176, 1910. THE WALNUT WEEVIL OR CURCULIO. 243 N. Y., and found that the' larva develops chiefly from the nuts of the walnut." The first intimation that the insect breeds also in walnut stems came to us from Dr. Morris, who, in July, 1909, sent to this office specimens which he had observed "apparently at work upon a young shoot of Juglans regia." In July, 1911, he sent more specimens and wrote as follows: "You speak of the injury to the fruit. That is not where the great damage is done. Eggs are laid in the leaf axils, beginning just as soon as the leaves appear. Later eggs are laid also in the stems of the leaves, and later yet in the fruit Some of my young trees are all but ruined already. It is a terrible pest. The Japanese walnuts, Juglans sieboldiana and J. cordiformis, are their favorites, then comes the English walnuts, /. regia. The chief local tree for attack is the butternut, /. cinerea." In August of the same year Mr. A. B. Champlain, then an assistant in this department, discovered larvae working in the new growth of /. sieboldiana at Lyme, Conn., and brought samples to the Station insectary, where he bred the adults of Con...
Read online Economic Entomology Volume 79; Pamphlets Buy Economic Entomology Volume 79; Pamphlets Download Economic Entomology Volume 79; Pamphlets for pc, mac, kindle, readers Download to iPad/iPhone/iOS, B&N nook Economic Entomology Volume 79; Pamphlets
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