Review Article

Reducing Postharvest Loss of Stored Grains Using Plant-Based Biopesticides: A Review of Past Research Efforts

Table 1

Important stored grain insect pests in most African countries.

Common nameScientific nameMajor commodity attacked

Beetles
Rice weevilSitophilus oryzae (Linnaeus)Wheat, rice
Maize weevilSitophilus zeamais (Motsch.)Maize
Granary weevilSitophilus granarius (Linnaeus)Wheat
Khapra beetleTrogoderma granarium (Everts)Wheat, rice
Lesser grain borerRhyzopertha dominica (Fabricius)Wheat, paddy
Larger grain borerProstephanus truncatus (Horn)Maize
Red flour beetleTribolium castaneum (Herbst)Rice
Confused flour beetleTribolium confusum (Jacquelin du Val)Rice
Long-headed flour beetleLatheticus oryzae (Waterhouse)Rice
Sawtoothed grain beetleOryzaephilus surinamensis (Linnaeus)Rice
Grain beetlesCryptolestes spp.Rice

Moths
Angoumois grain mothSitotroga cerealella (Olivier)Paddy
Almond mothEphestia cautella (Walker)Wheat, rice
Indian meal mothPlodia interpunctella (Hübner)Wheat

Psocids
BookliceLiposcelis spp.Rice

Source: Rajendran [42].