Flour-mill-beetle
Guides
Cryptolestes turcicus
flour mill beetle
Cryptolestes turcicus is a small beetle commonly known as the flour mill beetle, a member of the family Laemophloeidae (lined flat bark beetles). It is a significant pest of stored grain products, particularly in flour mills and warehouses. The species has been introduced widely through human commerce and now occurs in North America and Europe. Populations can maintain themselves only within a temperature range of 17°C–37°C and at relative humidities above 40%, with optimal reproduction near 28°C and 90% relative humidity.