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However, some thrips, including rose thrips, onion thrips, and western flower thrips, damage plants. ... Keep weedy areas of your yard cut back to deprive them of a place to call home. 4. Clean Up ...
The western flower thrips [Frankliniella occidentalis (Pergande)] is an invasive pest insect in agriculture. This species of thrips is native to the Southwestern United States [1] but has spread to other continents, including Europe, Australia (where it was identified in May 1993 [1]), and South America via transport of infested plant material.
Dicyphus hesperus has also been tested as a biological control for the western flower thrips (Frankliniella occidentalis) on tomatoes. It was effective at reducing the number of thrips but when the ratio of predator to prey was too high (>1:10), some damage was caused to the tomato fruits by D. hesperus. [7]
The cultured mites can be mixed with bran and sprinkled on the crop or spread by air blast. When multiple species of pest are present, it may effectively control one but not another; for example, in field grown cucumbers, it was found to control melon thrips on leaves, but failed to control common blossom thrips on flowers. [2]
Ullman is known for her research that revolves around an insect called a thrip and the orthotospoviruses that thrips can transmit to crop plants. An example of a virus she has worked with is the Tomato spotted wilt orthotospovirus (TSWV) which is transmitted by western flower thrips. [ 5 ]
Like all invasives that reach the Sunshine State, the thrips parvispinus seems to flourish in its warm southern reaches but it was first discovered north of Orlando in an Apopka greenhouse in 2020.
This species is an aggressive predator and will feed on the immature stages of western flower thrips, common blossom thrips, onion thrips, melon thrips and chilli thrips, as well as the silverleaf whitefly and Asian citrus psyllid, and several plant-damaging mites. It is most successful with prey feeding on foliage, and less so with those in ...
Western Flower Thrips are extremely hard to remove from their host plants, as they often dig themselves deep into blossoms, buds and other areas hard to reach with insecticides. [9] So, even if plants are sprayed regularly with insecticide, INSV and other insect vectored viruses can not always be ruled out when forming diagnosis. [10]
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