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PEST EVIDENCE GUIDE / PEST FAMILY

Signs of carpet beetles

Carpet beetle larvae may damage animal-based fibers such as wool and feathers. A single adult beetle near a window does not necessarily indicate a fabric infestation.

Explore 5 guides Record an observation
Close-up of a banded, hairy varied carpet beetle larva beside millimeter marks
From the guide: Carpet beetle larvae: identification cluesPhoto: Arnoldius / Wikimedia Commons. Resized for web; this is a varied carpet beetle larva. · CC BY-SA 4.0
OBSERVE THE SIGNCOMPARE THE POSSIBILITIESDOCUMENT WHAT CHANGES

THE RELEVANT EVIDENCE

Guides in this collection

05 / GUIDES
EGGS & LARVAE

Carpet beetle larvae: identification clues

Learn how carpet beetle larvae, cast skins, and fabric damage fit together using university extension guidance.

Read guide EGGS & LARVAE

Carpet beetle eggs: where to look

Learn where carpet beetles lay eggs and why larvae and cast skins are often easier to recognize.

Read guide LIVE INSECTS

Black carpet beetle: adults, larvae, and fabric clues

Compare an adult black carpet beetle with its larvae and connect the finding to the material nearby.

Read guide COMPARISONS

Carpet beetle vs bed bug: compare the actual insect

Compare bristly larvae, adult beetles, and bed bugs using physical evidence rather than skin symptoms.

Read guide LIVE INSECTS

Tiny black bugs near windows: a starting checklist

Narrow a window-sill insect finding using size, movement, body details, and evidence elsewhere in the room.

Read guide

FROM THE JOURNAL

Go a step further.

All articles
01Fabric evidenceCarpet beetle shed skins: record the object before counting pestsUnderstand why an empty larval skin can be useful evidence without revealing how many live insects remain.02Room checklistsCarpet beetles in a closet: trace the material, not just the roomA closet inspection record for larvae, shed skins, and fabric damage that avoids guessing from an adult beetle.03Room checklistsDead bugs in light fixtures: what the collection can tell youInterpret a collection of dead insects without assuming it identifies the source or current activity.04Field methodsHow to photograph a pest clue for identificationA practical photo sequence that preserves scale, location, and uncertainty for a qualified identifier.