8.2 Important storage pests

Storage pests [1] known to infest cocoa beans include [2]:
 

    Note
Warehouse moths (Lepidoptera) especially:    
- Cocoa moth (=Warehouse moth) Ephestia elutella (Pyralidae) especially frequent on cocoa
- Tropical warehouse moth (= Almond moth) E. cautella especially frequent on cocoa
- Dried fruit moth Corcyra cephalonica (Pyralidae)  
Beetles (Coleoptera) such as:    
- Cigarette beetle (esp. after long storage) Lasioderma serricone (Anobiidae) especially frequent on cocoa
- Corn sap beetle Carpophilus dimidiatus (Nitidulidae)  
- Rusty grain beetle Cryptolestes ferrugineus (Cucujidae) especially frequent on cocoa
- Coffee bean weevil (esp. at high humidity) Araecerus fasciculatus (Anthribidae)  
- Rust-red flour beetle Triboleum castaneum (Tenebrionidae) especially frequent on cocoa
- Lesser grain borer Rhizopertha dominica (Bostrichidae)  
Rodents Rattus spp.  
Beans infested with warehouse moth larvae Photo: RBP
Beans infested with warehouse moth larvae
Photo: RBP
Rusty grain beetle, Warehouse moth
Left - Rusty grain beetle - Cryptolestes ferrugineus
Right – Warehouse moth - Ephestia elutella
Courtesy The Food and Environment Research Agency (FERA), York.
© Crown Copyright

[1] Hinton HE, Corbet AS (1972) Common insect pests of stored food products: a guide to their identification. British Museum (Natural History), 62 pages

[2] FCC Sampling Rules, FCC Quality Rules: applicable to contracts made after March 2008