Angumois grain moth on maize. The moth is small, pale brown, 5-7 mm long with wings folded, wingspan 1-1.6 cm

Storage moth (Ephestia cautella).

Adult beetles of Maize weevil (Sitophilus zeamais) in maize. Adult emergence holes with irregular edges are apparent some weeks after the initial attack.

Grain moth (Sitotroga cerealella). The moth is small, pale brown, 5-7 mm long with wings folded, wingspan 1-1.6 cm.

Grain moth (S. cerealella). The eggs are laid singly or in clumps of variable numbers. They are white when first laid and quickly change to a reddish colour.

Adult beetle of lesser grain borer (Rhizopertha dominica), line drawing. Adults are 2-3 mm long, reddish-brown and cylindrical, head not visible from above.