Bed Bug Pictures: Complete Visual Identification Guide

Expert images and comprehensive guides to identify bed bugs, bites, and infestations. Get the knowledge you need to protect your home.

Medically Reviewed
Updated October 2025
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Featured Bed Bug Pictures

Browse our expert collection of bed bug images to help you identify infestations quickly and accurately.

Complete Bed Bug Resource

Everything you need to identify, understand, and address bed bug issues.

How to Identify Bed Bugs

Follow these four key steps to accurately identify bed bugs in your home.

1

Check the Size

Adult bed bugs are about 4-5mm long (apple seed size). They have flat, oval bodies before feeding.

2

Look for Color

Reddish-brown color that becomes darker and more elongated after feeding on blood.

3

Search Common Spots

Check mattress seams, bed frames, headboards, and furniture crevices near sleeping areas.

4

Identify Signs

Look for tiny black fecal spots, shed skins, eggs (1mm white), and small blood stains on sheets.

Not Sure What You're Seeing?

Compare your findings with our extensive photo gallery to confirm identification.

Browse Identification Gallery

Frequently Asked Questions

Expert answers to your bed bug questions

Adult bed bugs are small, reddish-brown insects about 4-5mm long (roughly the size of an apple seed). They have flat, oval-shaped bodies before feeding, which become more elongated and darker after consuming blood. They have six legs, two antennae, and no wings—meaning they can't fly or jump.

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