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. Metamorphosismetamorphosis
[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. Many insects, amphibians, mollusks, crustaceans, and fishes undergo metamorphosis, which may involve a change in habitat,
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 is gradual, and some thrips frequently reproduce by parthenogenesisparthenogenesis
[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, e.g.
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. 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 ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Thysanoptera.
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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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The relationship between primary metabolites in reproductive structures of cowpea Vigna unguiculata (Fabaceae: Papilionidae) cultivars and field resistance to the flower bud thrips Megalurothrips sjostedti (Thysanoptera: Thripidae).
The study was performed in Dystrophic Red Yellow Argisol (Ultissol), where the hybrid known as Exceler was used in order to verify the behavior of the thrips.
Algunos autores consideran que este dano es solo cosmetico y que no afecta a la planta en su desarrollo fisiologico, ademas consideran que la tasa de renovacion del follaje contrarresta el efecto de los thrips (Areas-Sevilla & Gonzalez-Lopez, 2008).
The reduction percentages of thrips population development during different periods and years varied significantly (F3,111 =45.13; P= 0.0001 periods) and (F3,111= 0.83; P=0.4820 years).
Managing Thrips on Roses with Combinations of Neonicotinoide and Biological Insecticides.
"Fruits accounted for the largest market share in 2014 among all the crop types considered for the application of bio-insecticides for thrips control"
This study surveyed the thrips species associated with widely used ornamental and forage plants (Fabaceae), as well as some weed species, in caatinga-cerrado ecotone areas in this region.
To determine the feeding potential of predatory spiders on thrips both nymphs and adults were observed.
On the other side, the bulb onion leaves had whitened, and had silvery marks, an indication of a thrips attack.
'This is the reason that the white gold is under severe attack of the whitefly, thrips and pink bollworm and is turning into black due to subsequent development of sooty mold on affected leaves.
Number of adults and eggs of five types of sucking pests of cotton (white flies, jassid, mites, dusky bugs, and thrips) along with their predating insects like Chrysoperla, Geocoris and Argiope were recorded from experimental sites.