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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]
They are sites where a female has oviposited into developing flower buds or fruitlets. Despite the cosmetic damage suffered by these light skinned apple cultivars they are seemingly unaffected by most thrip vectored viruses. Infested apples of the mountain west simply provide a natural setting for Western Flower Thrips to thrive and reproduce.
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.
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]
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
The 'eastern' part of its common name is due to its common occurrence to the east of the Rocky Mountains, whereas the habitat of western flower thrips extends through the entire United States and Canada. [2] It is challenging to distinguish the various species of thrips, without resorting to microscopic examination. [2]