Field Ant – Formica sp.

Identification

• black or reddish brown and black
• 1/8 inch in size
• most common ants found in yards and gardens
• often mistaken for carpenter ants, but not as likely to forage indoors (observed indoors most commonly in spring)

Nesting Habits

• nest outdoors in loose soil
• produce mounds (sometimes incorporating twigs, dried leaves and other plant materials) in exposed areas

Diet

• a variety of foods
• prefer sweet materials such as honeydew excreted by aphids and other insects

Significance

• become a nuisance during swarming flights

IPM Recommendations:

• Seal potential ant entryways.
• Store food in airtight containers, and dispose of trash regularly.
• Locate and destroy nests in lawn and adjacent areas.