Bulletin Volume 116-120

Bulletin Volume 116-120

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 edition. Excerpt: ...BEAN THRIPS. L. O. Howsnn. Entomologist and Chief of Bureau. C. L. Ma.n.LA'r'r. Entomologist and Acting Chief in Absence of Chief. R. S. Curran, E.1: eeutit"e Assistant. W. F. T.s'rm', Chief Clerk. CHITPENDEN, in charge of truck crop and stored product insect in vcstigations. Horxms, in charge of forest insect investigations. Hvnrnn, in charge of southern field crop insect investigations. Wnnsrns, in charge of cereal and forage insect investigations. QUAINTANCE, in charge of deciduous fruit insect investigations. Pmnmrs, in charge of bee culture. D. M. Roosss, in charge of preventing spread of moths, field work. ROLLA P. Uuanm, in charge of editorial work. Mam-:1. Concoan, in charge of library. H. M. RUSSELL, C. H. Pornnos, Wu. B. Panza-:3, H. O. Mansu, M. H. HIGH, Fm-:0 A. Jonnsron, Jorm E. Gan', entomologieal assistants. I. J. Connrr, collaborator in California. W. N. Om), collaborator in Oregon. THOMAS H. Jonas, collaborator in Porto Rico..IAmo1w T. VAN Hons, Psuum-: M. JOHNSTON, ANITA M. Bnuucnn, prcparutors, U. S. DEPARTMENT or AGRICULTURE, BUREAU or EN'roMoLooY, Washington, I). 0., April 24, 1.912. Sm: I have the honor to transmit herewith for publication a manuscript entitled "The Bean Thrips," by H. M. Russell, an entomological assistant of this bureau. This bulletin deals with an insect pest of the family Thripidae, the study of which has been hitherto largely neglected, and which of recent years has attracted considerable attention from an economic standpoint, as the cause of immense losses in the Pacific coast regions and elsewhere to truck farmers. The insect is closely related to the tobacco thrips, as well as to the onion thrips, to which species are chargeable untold losses in the production of these...
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Product details

  • Paperback | 124 pages
  • 189 x 246 x 7mm | 236g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236801172
  • 9781236801173