Merchant Grain Beetles

Anobiid and Lyctus species
Merchant Grain Beetles – Grain Beetles & Other Pantry Pests
Pest Stats
Color: Brown
Legs: 6
Shape: Narrow oval
Size: 1/10
Antennae: Yes
Region: Found throughout U.S.

Merchant grain beetles are typically not found in grain products, but instead like to attack cereals, cake mixes, macaroni, cookies and chocolate. Merchant grain beetles are dark brown and have six saw-like teeth on each side of their bodies. They can grow to be one-eighth of an inch long and have very flat bodies.


The merchant grain beetle's body shape allows it to crawl into packaging to eat, live and have babies.


Merchant grain beetles are found in pantries or in food processing areas or warehouses.


Merchant grain beetles can infest stored food products and can contaminate food.