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Nematus ribesii is a species of sawfly in the family Tenthredinidae. English names include common gooseberry sawfly [1] and imported currantworm. [2] This insect is best known as a pest of gooseberries. The larvae feed on the foliage of the plant, often defoliating it completely. [1] Like all sawflies, this species is a hymenopteran, not a true ...
The European pine sawfly is a pest as it eats a lot of needles. [4] While this can stunt the growth of the tree, it rarely is enough to kill the tree. For controlling it, one can use natural parasites, remove the eggs from the tree, or spray pesticides. Any standard pesticide sprayed on them during their larval stage will kill them.
Insecticidal soap works best on soft-bodied insects and other arthropods such as [7] [4] aphids, adelgids, mealybugs, spider mites, thrips, jumping plant lice, scale insects, whiteflies, and sawfly larvae. It can also be used for caterpillars and leafhoppers, but these large-bodied insects can be more difficult to control with soaps alone.
Sawfly larvae look like caterpillars, but Lowenstein says it's important to note there is a difference between the two in order to manage the pests. Insecticides that normally kill caterpillars ...
Outbreaks of sawfly larvae can defoliate trees and may cause dieback, stunting or death. Sawflies can be controlled through the use of insecticides, natural predators and parasitoids, or mechanical methods. Sawflies first appeared 250 million years ago in the Triassic. The oldest superfamily, the Xyeloidea, has existed into the presents.
Hoplocampa testudinea, the apple sawfly or European apple sawfly, is a species of sawfly in the family Tenthredinidae. It is native to Europe but has been accidentally introduced into North America where it became invasive. [1] The larvae feed inside the developing fruits of the apple tree.
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