Grain weevil: measures to combat insect and photos

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Find that home inventories of cereals and other bulk solids settled treacherous grain weevil, can not at once. These insects in adulthood have a length of not more than 4 mm, and in step larvae generally remain imperceptible but the damage they bring enormous, so you need to destroy them immediately, as soon as will be shown first signs.

What danger lies weevils?

External image weevil, as evidenced by the photos, is characterized by a dark brown color, underdeveloped wings that prevent their flight, but do not limit the speed of movement. Favorite habitat - lumpy flour, pasta, different kinds of cereals, whole grains. Fertility is high enough, while the female produces about 300 eggs.

See the newly hatched larvae (it takes 6-12 days after the laying process) can not be as they appear within the grains.

This is due to the fact that the female weevil prepares them deepen, where to put the eggs, and one in each individual pellet. Future offspring since it provides sealing openings own dedicated absolute safety.

Larvae after emergence and before pupation time completely gnaw inner content of grain. They have a whitish translucent body is very small in size, so to detect them on closer examination can only be on a dark background, for example, buckwheat and dried fruits. Adult weevils out of the pupa, having made himself a hole, but the package remains an empty shell, but when a large amount of the product is spoiled completely. Below is a photo of an insect.

Photo granary weevil

Are harmful and adults, who with their sharp teeth gnaw irregularly shaped cavity outside the grain. They are easy to get to other packages, even tightly closed caving. These lesions are detected early, and they should serve as a signal to take emergency measures to the complete destruction of the pest in order to prevent its mass distribution. Spoiled products are withdrawn from circulation. The main way of getting weevil at home - it is the purchase of infected cereal or pasta.

Methods of struggle against insects

Knowledge of the ability to live weevils and their response to changes in external conditions led to the use of a few ways to help save the domestic stock of provisions.

  • The very first action in determining the presence of dark brown small insects in the enclosure becomes relentless the destruction of all supplies, as divided and clean infected packets with absolute probability not succeed.
  • Exposure to cold in the heat-loving beetles, as recommended by some, will help as a preventative measure. To do this, products, employees usually refuge weevils, after purchase are placed in the freezer compartment of the refrigerator. Already at + 5 ° C decelerates the vital activity and at - 5 ° C in all forms of the pest die within months. In a similar way to save badly infected supplies it does not make sense, because they are dangerous to use.
  • An effective method of struggle, allowing destroy weevil becomes preheat cereals and other types of bulk products, for which this action will not hurt in the oven before leaving the cabinet on storage. It is sufficient to sustain them for six hours at + 60 ° C.
  • The treated and dried by the products it is expedient to fill the storage in sealed containers made of glass or plastic.
Cereals in closed jars

Every housewife can be successfully applied simple preventive measures to grain weevil was not able to reproduce. A required for this is quite accessible means.

  • Periodically inside cabinets processed soap solution followed by washing with a small concentration of acetic solution.
  • On the shelves washed after drying decomposed laurel leaves.
  • Peas, beans save chilli pepper in dried form, if it is directly put to these products in a container with thick walls.

In parallel with the container products are placed whole, pre-peeled garlic cloves can also be put back two or three of nutmeg. Still do not like weevils smell of lavender and cloves.

The main danger of infection undergo large reserves. The home should be eliminated this practice due to one type of product, weevil exposed settlement, not to lose the whole range of cereals, flour, dried fruit, pasta.

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