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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Date/TimeThumbnailDimensionsUserComment
current14:31, 21 February 2018Thumbnail for version as of 14:31, 21 February 20181,352 × 564 (163 KB)Chiswick Chapcontrast
14:24, 21 February 2018Thumbnail for version as of 14:24, 21 February 20181,352 × 564 (292 KB)Chiswick ChapExtracted from File:Snodgrass Rhopalosiphum prunifoliae.jpg using CropTool

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