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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.
For instance, western flower thrips are known to love pale roses with strong fragrances, but they aren’t as interested in scent-free, dark roses that produce tight flower buds. 9. Use Reflective ...
The western flower thrips, Frankliniella occidentalis, has spread until it now has a worldwide distribution, and is the primary vector of plant diseases caused by tospoviruses. [86] Other viruses that they spread include the genera Ilarvirus, (Alpha |Beta |Gamma)carmovirus, Sobemovirus and Machlomovirus. [87]
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]
The yellowish one on the right is a western flower thrip. Thrips Out of the 6,000 species of thrips, most are only harmful to plants , according to Direct Hit Pest Control.
Flower thrips can be agricultural pests in either two species of thrips in the genus Frankliniella: F. tritici , Eastern flower thrips F. occidentalis , Western flower thrips
In order to protect their eggs, thrips insert their eggs into various types of plant tissue. Eggs can be found in the stems, leaves, or flowers of plants. [8] Thrips hatch in 2–3 days and complete their life cycle in 20–30 days. [2] Adult thrips feed on the flower bud, stem and leaf parts of the plant. [8]
The chili thrips, Scirtothrips dorsalis, is an Asian pest on many crops, including chili peppers, roses, strawberry, tea, ground nuts, and castor bean. The western flower thrips, Frankliniella occidentalis , has recently expanded its range from western North America to large portions of Europe and Asia through the trade of greenhouse plants.