Myrmica americana

Weber, 1939

American Furrowed Ant

Myrmica americana is a of in the Formicidae, Myrmicinae. It occurs across much of the United States and Canada, with documented in eastern Canada where preliminary studies have examined its foraging and nesting . The species exhibits notable colony dynamics, including apparent lack of colony-specific odor and ability to mix freely between colonies.

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Pronunciation

How to pronounce Myrmica americana: /mɪərˈmaɪkə əˌmɛrɪˈkeɪnə/

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Distribution

Found in all U.S. states except Alaska, Hawaii, Oklahoma, Oregon, and Washington. Present in all Canadian provinces except New Brunswick, Yukon Territory, Northwest Territories, and Nunavut. Specific studies have been conducted in eastern Canada.

Behavior

Colonies lack distinct colony odor, allowing from different colonies to mix freely without intraspecific aggression. Foraging distribution responds to changes in food location. Nest type influences both foraging distribution and nest location; when nest types differ, separate colonies may combine into a single unit.

More Details

Colony dynamics

Research in eastern Canada found that paired colonies placed in separate nests with access to a common forage area showed no . mixed freely between colonies, suggesting weak or absent colony boundaries under experimental conditions.