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Pests found in food covers a large variety of insects, including beetles and moths.
Learn more below about common species of Stored Product Insects (SPIs) found in New Zealand.
The Almond Moth goes by the nicknames “Cocoa Moth” and “Tropical Warehouse Moth”. The almond moth infests stored products and the adults can fly.
A sign of infestation in the product is contamination with silk webbing, frass, cast skins, pupal cases and adult remains.
(Various species - Liposcelis bostrychophila, Lepinotus patruelis)
The Cigarette beetle is a very common commercial pest.
The confused flour beetle was named because of the confusion over its identity. It is a very common commercial and pantry pest.
The drugstore beetle (also known as the Biscuit Beetle) gained its name because it was frequently found feeding on drugs in pharmacies many years ago. Now, they are customarily found infesting all types of dry stored food products, spices, seeds, grains and dried plant material.
It is frequently associated with hot spots in farm-stored grain. Although primarily a fungivorous species. The presence of this insect in farm-stored grain is taken as a warning that the grain is beginning to spoil and become moldy.
The Granary Weevil is among the most destructive of all stored grain insects. The larvae develop inside kernels of whole grain in storage. This makes an infestation difficult to remove in the milling process.
The Indian meal moth larva's is a very common commercial and pantry pest.
The Khapra Beetle is considered to be the world's most destructive pest of stored grain and grain products. If left uncontrolled, this beetle can cover the surface of stored grain making it appear alive with crawling larvae
This beetle lives and feeds in warehouses and stores, especially feed and health food stores.
Also known as the Greater Rice Weevil. Maize Weevils are frequently regarded as primary pests of grain since they are able to infest otherwise undamaged grain.
They have also been seen to infest buckwheat, peas, acorns, chestnuts and cottonseed.
Merchant grain beetles are found in pantries or in food processing areas or warehouses.
The Mediterranean flour moth larva is a very common commercial and pantry pest. It is a pest of mills and warehouses as it can clog machinery with its webs.
Rice weevils are pests of stored grain and seeds.
Is a very common commercial pest infesting a variety of grain and food materials. The rust-red flour beetle is frequently found in stored products in Australia.
The saw-toothed grain beetle is one of the most common insects in stored grain and cereal products
The Tobacco Moth is an introduced pest species of moth. Often found in warehouses and other areas where food or tobacco is stored.
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