Identification of Insects & Mites in Stored Grain
and Grain Stores
These are the more common of over 50 species that may
occur in UK grain stores.
Courtesy of CSL and HGCA
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Primary Pests; grain damaging species
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SAW-TOOTHED GRAIN BEETLE
Oryzaephilus surinamensis
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RUST-RED GRAIN BEETLE
Cryptolestes ferrugineus
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GRAIN WEEVIL
Sitophilus granarius
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FOREIGN GRAIN BEETLE
Ahasverus advena
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FLOUR MITE
Acarus siro
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COSMOPOLITAN FOOD MITE
Lepidoglyphus destructor
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LESSER GRAIN BORER
Rhyzopertha dominica
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Secondary Pests; mould or hygiene-related species
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BROWN HOUSE MOTH
Hofmannophila pseudospretella
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WHITE-SHOULDERED
HOUSE MOTH
Endrosis sarcitrella
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HAIRY FUNGUS
BEETLE
Typhaea stercorea
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WHITE-MARKED
SPIDER BEETLE
Ptinus fur
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MOULD BEETLE
Cryptophagus species
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PLASTER BEETLE
Lathridiidae
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BOOKLICE
Psocoptera
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BOOKLICE
Psocoptera
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Non-damaging or stray species
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ROVE BEETLE
Staphylindae
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GROUND BEETLE
Carabidae
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NARROW-NECKED HARVEST BEETLE
Anthicus floralis
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CLOVER WEEVIL
Sitona species
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PREDATORY MITE
Gamasina
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PREDATORY MITE
Cheylatus eruditus
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Photos: ©Crown Copyright
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