![]() With suitable hygiene, and by preventing access into the attic by nest-builders, the successful eradication of this pest should be assured. Beware also of bread in fire-places that has been dropped down the chimney by birds. These are likely to have come from nests of wasps or birds in the attic. Removing disused and old foodstuff should eliminate an infestation.Īdult beetles may be seen around fire-places and air vents with no apparent food-source available. Rarely-used dried-foods such as flour or spices are often the source of an infestation. Damage and controlīecause bread beetle larvae thrive in dark, warm, undisturbed places, it is essential to search thoroughly for the food-source of the larvae if adults are found wandering around. Two main spray treatments should be spaced approximately 2 weeks apart, depending on the species being. Occasionally biscuit beetles are found in domestic kitchens where. They are usually to be found in food storage areas and retailing premises where their presence can be very costly, both in product wastage and damaged reputation. Before emergence as an adult beetle, a minimum of nine days is spent as the pupa in an oval shaped cell that is moulded by the larva using the food material. Treat with the appropriate insecticides for that species. The biscuit beetle is a stored product pest that is found throughout the world and is very common in the UK. The larva increases in size and, at about 5mm in length, it enters the pupal stage. In its search for food, it may bite into packaged or hidden food sources. When the larva emerges from the egg, it is less than 1mm in length. ![]() In cool temperatures (below 15✬) there is only one generation per year, in moderate temperatures two generations, while at higher temperatures (above 23✬) there may be five or more.Įggs are laid by mated females on or near the foodstuff. ![]() While they cause the most damage to stored grains, seeds, and flour, the insects maintain a diverse and. The speed of development through the life cycle depends on temperature, moisture, quality and abundance of food. Drugstore beetles eat a variety of different foods. In common with other beetles, this species passes through four life-stages: egg, larva, pupa and adult. It occurs in houses, stores, warehouses and kitchens throughout central and northern Europe, including the UK, sometimes in very large numbers. Download this stock image: Biscuit beetle on biscuit - AB6JRG from Alamys library of millions of high resolution stock photos, illustrations and vectors. The biscuit beetle is common across the world.
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