PEST EVIDENCE GUIDE / PEST FAMILY
Physical signs of bed bugs
EPA recommends looking for physical evidence because bites alone are a poor indicator. Accurate identification is important before taking action.

THE RELEVANT EVIDENCE
Guides in this collection
EGGS & LARVAE
Bed bug eggs: appearance and hiding places
Compare bed bug eggs and other physical signs using EPA guidance before assuming an infestation.
Read guide DROPPINGSBed bug stains and dark spots
Compare dark spots and reddish stains with other physical bed bug evidence using EPA guidance.
Read guide COMPARISONSBugs that look like bed bugs: what to compare
Compare bed bugs with carpet beetles, booklice, and closely related bat bugs without relying on bites.
Read guideFROM THE JOURNAL
Go a step further.
01Travel and secondhand itemsChecking a hotel room for bed bug evidenceA travel checklist for documenting a suspected finding and reporting it clearly to hotel staff.02Travel and secondhand itemsChecking used furniture for bed bug evidence before bringing it homeA pre-move observation checklist focused on physical evidence, inaccessible areas, and when to pause the purchase.03Working with professionalsQuestions to ask a pest professional before agreeing to treatmentUse the evidence record to discuss identification, scope, alternatives, and follow-up with a pest-control provider.04Field methodsA household pest observation checklist you can reuseSeparate direct sightings from assumptions and build a concise record for an inspector or extension office.