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Aphidoidea Research at SEL, USDA (links to .pdf files of papers on the taxonomy of aphid pests on various crops) |
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The United States National Collection of Aphid Photographs (Searchable database of aphid photographs, including several species found in this region) |
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Pest and Disease Image Library (PADIL) (Images and factsheets on pests and diseases, including several species of aphids) |
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Identification: Key to Aphids Commonly Found in San Joaquin Valley Alfalfa and Cotton |
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Coccinellidae of the Indian subcontinent (Image gallery of common lady beetles of the Indian region) |