File:The black fly of citrus and other subtropical plants (1920) (14783496145).jpg

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English:

Identifier: blackflyofcitrus885diet (find matches)
Title: The black fly of citrus and other subtropical plants
Year: 1920 (1920s)
Authors: Dietz, Harry F. (Harry Frederic), 1890- Zetek, James, 1886-
Subjects: Citrus Citrus black fly
Publisher: Washington, D.C. : U.S. Dept. of Agriculture
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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Text Appearing Before Image:
es on thoracic portion of dorsum, two short pairs nearmeson, a longer pair near cephalic margin of case, and four pairs outlining boundariesof thoracic segments of pupa case, the pair nearest to eye spots being 0.24 mm. inlength, the pair at dorsal portion of thorax 0.30 mm. in length, the other two shortand stout. A pair of long, slender setae situated cephalad and caudad of the vasiformorifice, and a short, stout pair on the metathorax near the meson. Dorsum slightlyarched. Color dark brown. FOURTH LARVAL INSTAR OR PUPA. Plate X, D. Size variable, averaging 1.5 mm. to 0.89 mm.; shape regularly elliptical with dorsumarched; median ridge high, but not markedly distinct from dorsal area, exceptingnear the caudal portion of abdomen and at vasiform orifice, which is elevated into amore or less prominent tubercle. Color dense black, so much so that even prolongedboiling in potassium hydroxid does not remove the color. When the denser dorsal Bui. 885, U. S. Dept. of Agriculture. Plate X. A
Text Appearing After Image:
The Black Fly. A, Larva, first instar; B, larva, second instar; C, larva, third instar; D, pupa case; E, vasiforniorifice of pupa case; F, margin of pupa case. Bui. 885, U. S. Dept. of Agriculture

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https://www.flickr.com/photos/internetarchivebookimages/14783496145/

Author

Dietz, Harry F. (Harry Frederic), 1890-;

Zetek, James, 1886-
Permission
(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:blackflyofcitrus885diet
  • bookyear:1920
  • bookdecade:1920
  • bookcentury:1900
  • bookauthor:Dietz__Harry_F___Harry_Frederic___1890_
  • bookauthor:Zetek__James__1886_
  • booksubject:Citrus
  • booksubject:Citrus_black_fly
  • bookpublisher:Washington__D_C____U_S__Dept__of_Agriculture
  • bookcontributor:U_S__Department_of_Agriculture__National_Agricultural_Library
  • booksponsor:U_S__Department_of_Agriculture__National_Agricultural_Library
  • bookleafnumber:56
  • bookcollection:usda-bulletin
  • bookcollection:usdanationalagriculturallibrary
  • bookcollection:fedlink
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014



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