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aphid |
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aphid an insect of the order Hemiptera. They parasitize many plants during the warm seasons. Of interest in animal health are the black aphids, Aphis craccivora, which can exist in very large numbers on burr trefoil, Medicago polymorpha, and may stimulate the production of phytoallexins in the plant which then photosensitize animals grazing the infested pasture. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The peach tree feeds the aphids, and the aphids feed the ladybug larvae, and together all three species flourish; the peach tree eventually bears delicious fruit. Costa also explores the noneusocial arthropod phylum, which includes spiders, crustaceans, crickets, aphids, beetles, and moths. amp;ldquo;In any given field where aphids occur and are left to multiply, research shows that yield losses have been as high as 50%,” says Virgil Sparks, Syngenta’s western division soybean product development head. |
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