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Some Thrips species leave shiny or metallic-looking deposits on plant surfaces as they feed. Small black specks of excrement may also be seen either on the leaf surface or on the surface surrounding the planter below.
14 Φεβ 2021 · Thrips are small, slender insects that suck the juices out of the leaves, stems, buds and flowers. They are generally under a quarter-inch in length when they are adults. Common colours for the adults are brown, black or yellow and when in the larvae stage, they are a yellow, greenish colour .
Heavily infested plants will show yellow and brown, almost stippled patches in an irregular pattern, and new growth can look stunted, contorted, or deformed. You may also see sooty black spots along leaves or stems. This is thrips fecal matter, which can also be a vector for disease.
Another sign of thrips is when new leaves just brown off and die before unfurling. It can be a root problem, but I always check for thrips when I see this: Thrips can also kill the leaves of smaller plants, before you even realising that you had a problem.
Though thrips on houseplants are found throughout the world, some common species are greenhouse thrips, onion thrips, and Western flower thrips. Because every species has different habits and preferences, it is crucial to identify the exact kind of thrips that are infesting your houseplants.
15 Μαρ 2020 · For future prevention, thoroughly inspect plants before bringing them into your home and try regularly wiping down the leaves with water to deter thrips from returning. Thrips are a common houseplant pest, and are very small bodied, straw-colored insects with tiny feathery wings.
6 Σεπ 2021 · Adult thrips have two pairs of wings and are brownish-yellow or black-brown in colour. Both adults and the immature thrips, known as nymphs, feed on the upper surface of leaves and on flowers. Thrips are hard to see with the naked eye and may need identifying with a magnifying glass.
