Drugstore Beetle Identification
Stegobium paniceum
The Drugstore Beetle is a stored product insect commonly found in commercial food processing and packaged food environments.
Quick Identification
- Dark reddish-brown
- 2.5–3 mm long
- Distinct 3-segmented antenna club
- Strong flier
Where We See It
- Grain and flour storage
- Spice handling
- Warehousing
- Packaged goods
Life Cycle
- ~75 eggs per female
- Develops at temperatures as low as 59°F
- Optimal development around 81°F
Why It Matters
- Feeds on spices, grains, cereal products
- Can bore through packaging
- Contaminates food with larval cocoons
Monitoring & Control
Identification to species is important, as control strategies may differ from cigarette beetles. Hidden infestations may require fumigation.
Need Help Identifying This Pest?
FSS stored product entomologists can confirm identification through photo review or laboratory analysis, then recommend a facility-specific plan.