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thrips |
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thrips, minute, agile insects of the order Thysanoptera. Thrips have piercing-and-sucking mouthparts and cup-shaped feet from which bladderlike adhesive organs may be extended. Some species are wingless, but many have four narrow, featherlike wings fringed with hairs. Metamorphosis metamorphosis [Gr.,=transformation], in zoology, term used to describe a form of development from egg to adult in which there is a series of distinct stages.
..... Click the link for more information. is gradual, and some thrips frequently reproduce by parthenogenesis parthenogenesis [Gr.,=virgin birth], in biology, a form of reproduction in which the ovum develops into a new individual without fertilization. Natural parthenogenesis has been observed in many lower animals (it is characteristic of the rotifers), especially insects, ..... Click the link for more information. . A few species prey on mites and small insects; others, e.g., the onion, pear, greenhouse, and grass thrips, feed on the foliage and flowers of plants to which they may transmit virus diseases. Thrips are classified in the phylum Arthropoda Arthropoda [Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, symphylans, pauropodans, and the extinct trilobites. ..... Click the link for more information. , class Insecta, order Thysanoptera. thripsAny of some 5,000 species (order Thysanoptera) of tiny winged insects that feed chiefly on plants, inhabiting temperate and tropical areas worldwide. Many species damage cultivated plants, by either sucking the sap or transmitting viral plant diseases. A few species are predators. Thrips reach a maximum length of about half an inch (15 mm). Most have two pairs of long, narrow, hair-fringed wings. thrips any of various small slender-bodied insects of the order Thysanoptera, typically having piercing mouthparts and narrow feathery wings and feeding on plant sap. Some species are serious plant pests Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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