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

Primary Pests — grain damaging species

SAW-TOOTHED GRAIN BEETLE
Oryzaephilus surinamensis

RUST-RED GRAIN BEETLE
Cryptolestes ferrugineus

GRAIN WEEVIL
Sitophilus granarius

FOREIGN GRAIN BEETLE
Ahasverus advena

FLOUR MITE
Acarus siro

COSMOPOLITAN FOOD MITE
Lepidoglyphus destructor

LESSER GRAIN BORER
Rhyzopertha dominica

Secondary Pests — mould or hygiene-related species

BROWN HOUSE MOTH
Hofmannophila pseudospretella

WHITE-SHOULDERED HOUSE MOTH
Endrosis sarcitrella

HAIRY FUNGUS BEETLE
Typhaea stercorea

WHITE-MARKED SPIDER BEETLE
Ptinus fur

MOULD BEETLE
Cryptophagus species

PLASTER BEETLE
Lathridiidae

BOOKLICE
Psocoptera

BOOKLICE
Psocoptera

Non-damaging or stray species

ROVE BEETLE
Staphylindae

GROUND BEETLE
Carabidae

NARROW-NECKED HARVEST BEETLE
Anthicus floralis

CLOVER WEEVIL
Sitona species

PREDATORY MITE
Gamasina

PREDATORY MITE
Cheylatus eruditus

Photos: ©Crown Copyright

 

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