File:Snodgrass Rhopalosiphum prunifoliae (wings closed).jpg
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Summary
Plate 4 from Insects, their way and means of living, R. E. Snodgrass. [1]
The apple-grain aphis (Rhopalosiphum prunifoliae)
The winged form produced in the fall that migrates from the grain to the apple trees. (Enlarged 20 times)
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This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.
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See Category:Snodgrass for the reasoning for using this tag.
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This file has been extracted from another file : Snodgrass Rhopalosiphum prunifoliae.jpg |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:31, 21 February 2018 | | 1,352 × 564 (163 KB) | Chiswick Chap | contrast |
| 14:24, 21 February 2018 |  | 1,352 × 564 (292 KB) | Chiswick Chap | Extracted from File:Snodgrass Rhopalosiphum prunifoliae.jpg using CropTool |
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