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How to Manage Pests

Key to Identifying Common Household Ants


Quick tips to identifying ants—Ant anatomy

Eye
Antennal Club
Scape
Spine
Petiole Nodes
Gaster


What to know about ant anatomy

  • Correct ID is essential because different species require different controls.
  • Ants have 3 main body regions: head, thorax, and abdomen.
  • When identifying ants, it is important to know how to count petiole nodes and antennal segments.
  • Other structures, such as the eyes, thoracic spines, and gaster, are important when distinguishing ant species.

How well do you know your ant anatomy?

Helpful identification tips

Ready to identify ants?









Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2008 The Regents of the University of California. All rights reserved.

For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /TOOLS/ANTKEY/antid2.html revised: October 15, 2008. Contact webmaster.