Gooseberry Moth - A Pest Of Berries And Fruits

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Video: Gooseberry Moth - A Pest Of Berries And Fruits

Video: Gooseberry Moth - A Pest Of Berries And Fruits
Video: Gooseberry Sawfly Larvae - Gooseberry Leaf Damage 2024, March
Gooseberry Moth - A Pest Of Berries And Fruits
Gooseberry Moth - A Pest Of Berries And Fruits
Anonim
Gooseberry moth - a pest of berries and fruits
Gooseberry moth - a pest of berries and fruits

The gooseberry moth, also called the gooseberry moth, is found everywhere. It damages not only gooseberries with black currants - although less often, this pest will not refuse to feast on bird cherry, peach, apricot and plum as well. The main harm is caused by gooseberry moths during the period of spring development, therefore, one should be vigilant in relation to this pest and start a fight against it in a timely manner

Meet the pest

The goose moth is a pretty cute butterfly. Its wingspan reaches 40 - 45 mm, and the size of the butterfly itself is about 22 mm. This pest has very beautiful front wings - they are whitish, with a lot of black spots and two bright stripes. Black spots are also located along the edges of the hind wings. And the goose moth is endowed with a yellow abdomen with black spots and a black head.

The size of the shiny bright yellow eggs of this berry pest is 0.6 - 0.8 mm. Decapod black-headed caterpillars, reaching a length of 35 - 40 mm, yellowish below with black transverse stripes, and above - grayish-white. The size of the brownish-brown pupae is in the range of 30 - 35 mm. These pupae have fancy yellow rings on their abdomens.

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Caterpillars of the second and third centuries hibernate on fallen leaves in spider cocoons. When the buds of currants and gooseberries begin to bloom in the spring, the caterpillars will climb the berry bushes and begin to eat these buds along with the leaves, often eating them completely. And during the flowering period of fragrant currants, their nutrition will end.

Pupation of harmful caterpillars occurs in spider cocoons on shoots, on leaves, or at the bases of bushes. Butterflies will fly out in 20 - 25 days. This usually happens in late June or July. Mating females flying in the evenings lay eggs on the undersides of the leaves in small groups. Their total fertility reaches three hundred eggs. In twelve to eighteen days (at the end of July or at the beginning of August), harmful caterpillars will begin to revive, feeding on leaves for fifteen to twenty days. In these leaves, parasites make small holes. And towards the end of August, they begin to entangle themselves with spiderweb cocoons, which are attached to the leaves, and subsequently fall to the ground with them - this is where their wintering will take place. During the year, only one generation of the goose moth has time to develop.

Most often, this pest can be found in the northern regions of woodland, mainly on neglected berry plantations. And this butterfly was discovered a long time ago - back in 1758.

How to fight

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Several species of birds, as well as ground beetles and predatory bugs, contribute to a significant reduction in the population of goose moths. Numerous horsemen from the families of ichneumonids and braconids, tahina flies and a number of other winged representatives infect harmful caterpillars.

In the fall, you should collect fallen leaves and burn it. And in the spring, when overwintered caterpillars begin to populate the bushes en masse, attention should be paid to their number. If there are ten to fifteen caterpillars per bush, then they begin to spray with biological products or insecticides. Basically, a double treatment is carried out with preparations specially designed to combat leaf-eating insects, among which such as Fufanon, Kinmiks, Iskra-M, Iskra and Aktellik can be noted. The first treatment should coincide with the budding period, and the second is carried out immediately after flowering. And among biological products, the following have proven themselves well: "Bitoxibacillin", "Gomelin", "Lepidocid", "Dendrobacillin" and "Entobacterin".

Some gardeners in the spring, in order to destroy pests, water the near-stem zone with boiling water, and also spray them with infusions of mustard powder, tomato tops or ash infusion.

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