Sawtoothed Grain Beetle

Natural Habitat

Found globally in pantries, kitchens, food processing plants, and grain storage facilities; they often enter homes through infested grocery products.

Diet & Feeding

Scavengers that feed on processed grain products such as flour, cereal, pasta, dried fruits, nuts, seeds, yeast, and chocolate.

Behavior Patterns

Adults can live for up to three years; they are highly active, do not fly, and use their flattened bodies to squeeze into thin crevices of food packaging to lay eggs.

Risks & Benefits

They are major household and commercial pests that cause significant food waste through contamination; however, they do not bite, sting, or spread human diseases.

Identified on: 12/30/2025