Stored Product Pests

Stored Product Pests

Tupperware has never sounded like a better investment… Stored product pests are responsible for damage to about 10% of the country’s stored food and up to 50% in other countries. Infestation can also occur in supermarkets and then are transferred to the home kitchen cupboards or other storage areas. Flying to keep food pests can even invade the house directly. It is not uncommon for these pests to invade other products such as pet foods. It is important to maintain proper sanitation to help reduce the possibility of infestation. There are many stored product pests that can invade a food supply and here are a few of them:

Sawtooth Beetle

There are quite a few different species of beetles but most common are the sawtoothed grain beetle, the flour beetle, the drugstore beetle and the cigarette beetle with the flour beetle being the most common beetle. These beetles are most easily taken care of by getting rid of the infested material. Pesticide use is limited considering that food is being dealt with. Freezing, heating or disposal of the infested food can eliminate the pest.

Borer

The borers are a type of beetle. The lesser grain borer may be a “primary persecutor,” that alludes to the harm they cause to hold on whole grains and alternative foods (secondary pests trail the broken grain the primary pests fed on). Lesser grain borer beetles are dark brown or black with small pits on the wing covers. The borer will reduce grain to a mere shell. The most common infestation is of whole seeds such as corn or wheat. Control includes the elimination of the infected source, freezing or cooking the food or, if the case is extreme, fumigation may be used. The borer when dead has an odor, which leaves food that was infested to be contaminated.

Mealworm

The dark mealworm has a dull pitchy black color whereas the yellow mealworm is a shiny polished black or dark brown color. The mealworm is the largest-sized insect that infests stored products. The female lays the eggs, which are bean-shaped and white. The eggs are coated with a sticky secretion, which causes flour and other food particles to be collected to the egg. Ways of treating for this insect are heat and cold ways and by chemical treatment of wooden floors, walls and cracks.

Mite

There are many different species of mites. They are subdivided under food-inhabiting mites, parasitic mites of birds, rodents and man and plant-feeding mites. The food-inhabiting mites can live off tiny fragments of organic material. Poor sanitation, high temperature, and humidity are common contributions to an outbreak of mites. Vacuum, sanitize and stabilize the atmosphere for initial management of the mites. Limited pesticide treatment can be used with restricted effectiveness due to food sources being infested.

Moth

Eggs of the moth are laid wherever the food for the larva occurs and are usually fastened to the food source. Infestation can be controlled by pesticide application, discarding the infested product and cleaning out the food storage area. The moths will feed upon grains, dried fruits, birdseed and old dog food. Some moths leave an odor and contaminate infested grains.

Weevil

The weevil will lay eggs in a kernel of grain. It will make an opening, lay the egg and then reseal the hole leaving the egg to hatch and feed upon the inside of the grain. The weevil is usually confined to stored grain and transported by man. Food sources include corn, wheat, beans, nuts, and cereals. Ways of management are by destroying the overrun food supply or by means that of warmth and cold.

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