Formica argentea    

habitat
Found in mostly grassland habitats but also urban lawns and cultivated fields.

seasonality
Found through May to September.

identification
Workers are ~3.5-6.5 mm in length and are a black, with reddish undertones, which can be seen most easily in the appendages. Their gulae lack erect hairs, the hairs on the first tergite of the abdomen are numerous and pubescence on the abdomen creates a shiny silvery luster (Wheeler and Wheeler, 1977).

life history
Colonies of this species commonly have up to three queens and consist of thousands sometimes tens of thousands of workers. (Snyder, 1993).

conservation
Not of concern.

diet info
Omnivorous but are also above ground aphid farmers (Wheeler and Wheeler, 1977).

range
Found most commonly in the western half of North America but found as far east as Massachusetts (Wheeler and Wheeler, 1977). In Alberta it is most commonly found in the central and southern regions.

notes
These ants are similar in form to both Formica fusca and Formica subsericea when looking at with the naked eye.

people
species page authorGlasier, J.2008 

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=38595

 

Logo Department of Museums and Collections ServicesLogo University of Alberta