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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 .
Yellowing on plant leaves can be caused by lots of things from underfeeding to overwateirng. However, here you can see three immature thrips which are the likely cause. The insects can also weaken plants and create areas for plant viruses to invade.
Houseplant thrips, despite their small size, may cause serious damage to your prized houseplants. Their piercing-sucking mouthparts, which they utilize to eat on the plants, are well known. Thrips cause harm to leaves while they eat, which might take the form of stippling, discoloration, or twisted growth.
Thrips eat away at the leaf surface, leaving silvery scratch marks – if you see this kind of leaf damage, check both sides of the leaf – look for the light yellow larvae and/or the thin black adult thrips.
What Do Thrips Do to Houseplants? How to Recognize Thrips on Your Houseplants. Natural and Organic Ways to Get Rid of Thrips. Safe Insecticides for Thrips Control. Preventing Thrips in the Future.
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.
Thrips can crawl and hop, but can only fly a short distance, perhaps from leaf to leaf. With a strong magnifying glass, you may be able to see dark slivers with feathery wings on the biggest thrips. Young thrips (called larvae) are yellowish and wingless. Macro lens image of thrip larvae on a houseplant leaf.
