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Web Links [Tag : aphis]


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1 Centro de Investigación en Biología Celular y Molecular (CIBCM), Universidad de Costa Rica, San José, Costa Rica, fax (506) 207 3190, emailcrivera@sol.racsa.co.cr
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Adults: This is a small aphid, smaller than most other aphids. The winged adults are about 1.25 millimeters long, soft bodied, and yellow to dark green with a black head and thorax. The wings are held rooflike over the abdomen at rest. Wingless adults tend to be 1.0 to 1.
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Adult - This soft-bodied, pear-shaped insect is pale to dark green in cool seasons and yellow in hot, dry summers. Though winged forms develop periodically, most adults are wingless and about 2 mm long. All forms have a pair of tailpipe-like appendages known as cornicles.
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, Geopemphigus floccosus, Hyperomyzus lactucae, Lipaphis erysimi, Macrosiphum euphorbiae, Microparsus (Picturaphis) brasiliensis, Myzus persicae, Nasonovia sp., Pentalo- nia nigronervosa, Rhopalosiphum rufiabdominalis, Te- traneura sp.
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Melon aphid occurs in tropical and temperate regions throughout the world except northernmost areas. In the United States, it is regularly a pest in the southeast and southwest, but is occasionally damaging everywhere.
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In de tuinbouw is in de laatste decennia een toename zichtbaar van problemen met polyfage plaagvorende insekten die gekenmerkt worden door ongevoeligheid voor insecticiden en verspreiding van eveneens polyfage, zeer schadelijke virussen.
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(Taburan spatial beberapa artropod utama dan prosedur pensampelan bagi Aphis gossypii Glov., dalam sistem polikultur yang terdiri daripada tanaman cili, terung dan leucaena.]
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