Determining the classification is not difficult if you have a hand lens. The nasty creatures can look like tiny black slivers lurking under leaves. Because of their minute size, thrips are incredibly challenging to spot. Unlike the Hemiptera (true bugs), the right mandible of thrips is reduced and vestigial – and in some species completely absent. Thrips may also leave excrement on plants. and thrips thrips management is the only option for virus control. Thrips, order Thysanoptera, are tiny, slender insects with fringed wings. Note that some types of herbicides can create injury that mimics thrips injury. There are several different species of thrips, and the exact lifecycle and how they thrips damage plants depends on the species. A number of thrips species are commonly found including western flower thrips (Frankliniella occidentalis), eastern flower thrips (Frankliniella tritici), onion thrips (Thrips tabaci), and Echinothrips. Browse Thrips Species A. Acanthothrips albivittatus; Acanthothrips argentifer; Acanthothrips nodicornis; Adraneothrips ephippium; Adraneothrips faustus; Adraneothrips saturatus Generally, though, thrips hibernate in soil through the winter. Specific predators may have different levels of effectiveness for different thrips species. The left mandible is used briefly to cut into the food plant; saliva is injected and the maxillary stylets, which form a tube, are then inserted and the semi-digested food pumped from ruptured cells. Thrips are technically a less common insect pest, but I've found that they are most prevalent in my household. Thrips can be difficult to manage because they develop quickly. They feed by puncturing the epidermal (outer) layer of host tissue and sucking out the cell contents, which results in stippling, discolored flecking, or silvering of the leaf surface. Therefore it is critical to scout for live insects. However, the types of thrips that infest houseplants are usually 0.04” (1 mm) long. Species of thrips can feed on fungi, plants, and other insects depending on their classification. Thrips species can be difficult to differentiate in the field, and virus symptoms may resemble other problems. Thrips feeding is usually accompanied by black varnishlike flecks of frass (excrement). To identify this nuisance in your garden, check the leaves, buds, flowers, and fruits of your plants for white splotches and black feces. Under a microscope, thrips resemble minuscule lobsters, and they may or may not have wings. If thrips injury is found, inspect a portion of these seedlings for live thrips. Try using Safer ® Brand Insect Killing Soap to prevent the infestation of thrips and keep your plants looking healthy all season long. Citrus thrips are better control by Euseiues mites. For example, Cuban Laurel thrips are best controlled by minute pirate bugs and green lacewing larvae. 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