the confused flour beetle tribolium confusum on semolina top view.

agriculture animal background beetle beetles brown bug castaneum cereal chew closeup coleoptera confused confusum crop croup destroy eat eliptical entomology farm fauna flour food grain granary harmful healthy infest infestation ingredient insect insects lesser macro meal natural nature organic pest problem raw rice seed semolina small tenebrionidae texture thailand top tribolium view weevil weevils white wing