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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.
 | This file has an extracted image: Snodgrass Rhopalosiphum prunifoliae (wings closed).jpg. | .jpg)
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 08:23, 9 July 2006 | | 1,964 × 1,328 (886 KB) | Pengo | ==Summary== Plate 4 from ''Insects, their way and means of living'', R. E. Snodgrass. [http://www.archive.org/details/39088001578236] The apple-grain aphis (''w:Rhopalosiphum prunifoliae'') The winged form produced in the fall that migrates from th |
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