Mediterranean Flour Moth Identification

The Mediterranean Flour Moth is a major pest in flour mills and grain-based food processing facilities.

Quick Identification

• Uniform gray wings with brown markings
• Large wingspan (20–25 mm)
• Larvae produce heavy webbing

Where We See It

• Flour mills
• Bakeries
• Flour storage systems
• Processing lines

Life Cycle

• 100–675 eggs per female
• Develops above ~46°F
• Optimal development around 77°F

Why It Matters

• Heavy webbing fouls machinery
• Larvae feed on bran and germ
• Causes production disruption
• Can increase heating and moisture in product

Monitoring & Control

Source identification is critical. Structural fumigation may be necessary for widespread mill infestations.