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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 .
Adult thrips (black) and several larvae (light yellowish) on a Peperomia obtusifolia leaf. 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.
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.
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.
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.
They are typically brown, black, or yellow in color and have a characteristic fringed appearance due to the elongated, narrow wings that they possess. Thrips have a unique mouthpart structure, which they use to feed on the sap of plants, causing damage to leaves, flowers, and fruit.
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.
