Montana Field Guide

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Montana Field Guides

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- Kingdom - Animals - Animalia
  - Phylum - Spiders, Insects, and Crustaceans - Arthropoda
    - Class - Insects - Insecta
      - Order - Sawflies / Wasps / Bees / Ants - Hymenoptera
        
        Family - Ants - Formicidae
        
        Species - Hill Mound Ant - Formica oreas

Hill Mound Ant - Formica oreas

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Native Species

Global Rank: G5
State Rank: SNR

Agency Status
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USFS:
BLM:

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General Description

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Stewardship Responsibility

References

Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?
- Jensen, Joseph M. 2005. Interactions between the invasive plant Centaurea maculosa and ant communities in savannas in western Montana. M.S. Thesis. University of Montana. Missoula, MT.
- Lang, R.F. 1988. Interactions between ants (Hymonoptera: Formicidae) and Aphis fabae Scop. complex (Hemiptera: Aphididae), on Cirsium arvense L. Scop (Compositae). M.Sc. Thesis. Bozeman, MT: Montana State University. 29 p.
- Wheeler, G.C. and J. Wheeler. 1988. A checklist of the ants of Montana. Psyche: A Journal of Entomology. Vol. 95. pp. 101-114.
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Additional Sources of Information Related to "Insects"

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Dragonflies / Damselflies

Ferns and allies

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Citation for data on this website:
Hill Mound Ant — Formica oreas. Montana Field Guide. Montana Natural Heritage Program. Retrieved on December 11, 2025, from https://FieldGuide.mt.gov/speciesDetail.aspx?elcode=IIHYM10190