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UC IPM Home > Antkey > Identifying Ants > Anatomy Quiz

How to Manage Pests

Key to Identifying Common Household Ants


How well do you know ant anatomy? Answer these questions to find out!

How many petiole nodes does this species have?

Odorous house ant

None
 One
 Two

How many petiole nodes does this species have?

One
 Two
 Three

How many antennal segments are present on this antenna?

12
 13
 14

Does this antenna have an antennal club?

Odorous house ant antenna

Yes
 No

How many segments are on this antennal club?

Southern fire ant antenna

Two
 Three

Does this species have a thoracic spine?

Pharaoh ant

Yes
 No

Statewide IPM Program, Agriculture and Natural Resources, University of California
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