(Tribolium castaneum), (Tribolium confusum)
Adults are 4-5mm long and have red brown colour. Infest several dry foodstuffs like cereals in seeds or grinded, spices, nuts. They destroy the packages, using their strong lower jaws.
Female lay 500-1000 eggs, in total, during their lives. They become adults in about 2 months and they live up to 3 years, under favorable conditions.
They are sensitive to cold (Τ. Confusum is more resistant to lower temperatures) and their growth is favored by high humidity.