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Species Page - Formica oreas
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scientific name    Formica oreas    

habitat
Found in open wooded areas and grasslands, prefer sunny spots (Wheeler and Wheeler, 1963).

seasonality
Found through May to September.

identification
Workers are ~3.5-7.0 mm in length, with a dark red head and thorax with a reddish-black gaster (Wheeler and Wheeler, 1963). The crest of the petiole is thin in profile and the gastric pubescence is never reflected (Creighton, 1950 and Wheeler and Wheeler, 1963). Body hairs are uniform in length and the scape has delicate erect hairs on it (Creighton, 1950 and Wheeler and Wheeler, 1963).

life history
Facultative slave makers, these ants will raid nest of the fusca group complex for slaves (Wheeler and Wheeler, 1963). Not much else is known.

conservation
Not of concern.

diet info
Omnivorous, but predate heavily on insects; will also farm aphids.

range
Saskatchewan to Utah and North Dakota to Washington (Wheeler and Wheeler, 1963). Only one site has been reported from Alberta: Rainbow Valley, Edmonton (Sharplin, 1966).

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=38613



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Specimen Info
There are 6 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (6)

 

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