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Scirtothrips dorsalis, the chilli thrips [derivation 1] or yellow tea thrips, is an extremely successful invasive species of pest-thrips [1] which has expanded rapidly from Asia over the last twenty years, and is gradually achieving a global distribution. It has most recently been reported in St. Vincent (2004) Florida (2005), Texas (2006), and ...
The spots, which may be as much as 12 mm across, are generally circular and have an irregular edge often with a yellow halo. Leaves frequently turn yellow and fall early. Sometimes new leaves are produced, and these may also become affected. Continual defoliation will cause weakness, dieback or death of the plant. Some very susceptible species ...
Boxelder bugs only feed on box elder seeds and leaves, so they don't actually cause damage to most plants. "They appear in high numbers which leads people to get concerned when you see 50, 60 ...
This process leaves cells destroyed or collapsed, and a distinctive silvery or bronze scarring on the surfaces of the stems or leaves where the thrips have fed. [16] The mouthparts of thrips have been described as “rasping-sucking”, [17] “punching and sucking”, [11] or, simply just a specific type of “piercing-sucking” mouthparts. [18]
H. haemorrhoidalis prefers feeding on mature foliage [8] and the nitrogen levels of the foliage actually also plays a role in the thrips' preference. [17] The leaves that have undergone attacks by the greenhouse thrips ended up with a lead-like to silvery colouring. [6] [10]
The gladiolus thrips feeds on gladiolus, lily, freesia, crocus and iris, but damage is mostly limited to the gladiolus. [3] The thrips can remain inside the corms of gladiolus over winter, causing them to ooze sap from the wounds, turn brown and sticky. These corms are the main source of infestation in growing plants the following year; the ...
There are few times of the year that are better to go out of your house and see nature's beauty than the fall, which brings the changing color of the leaves. The natural splendor of the fall ...
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 ...