DISTRIBUTION-Formica subsericea

Aweme, Baldur, Birds Hill, Birds Hill Provincial Park, Dauphin Lake, East Blue Lake, Glenlea, Goose Creek, Hartney, International Peace Garden, Lake Minnewasta, Lewis, Mafeking, Morden, Northwest Angle Provincial Park, Paint Lake Provincial Park, Pinnawa, Rennie, Richer, Riding Mountain National Park, St. Malo, Sandilands Provincial Forest, Slave raid- 6 km W of Portage la Prairie, Spruce Woods Provincial Forest, Spruce Wood Provincial Park, Stony Mountain, Swan River, Telford, Thompson, Whitemouth Lake, Whiteshell Provincial Park, Winnipeg
(Wheeler et al., 1989)


Key characteristics to the species of Formica fusca group of Manitoba (Jeff Shaddock (unpublished) and modified from Francoeur (1973) and Wheeler and Wheeler (1986))

1.Metasternum lacks lobes
2.Mesometasternal profile composed of a convexity followed by a straight or convex line that lacks hairs (in profile view)
3.Gena between eye and mandible (i.e. below eye) without coarse punctures; or if present, they are restricted to the region just below the eye
4.Hairs lacking around spinasternal cavity
5.Pubescence dilute to normal on the first four gastric segments
6.Large, elongate punctures present on genae behind and beneath the eyes
7.Colour: black to piceous black
8.Pilosity abundant on first gastic segment; rarely less than 10 erect hairs
9.Metasternum less pilose, hairs do not surround the spinasternal cavity, and usually restricted behind it
10.Scape not shorter than length of head behind the eyes
11.Occipital margin distinctly convex
12.Length of alitrunk 1.80-2.95mm

  • Photo Credit:Erin Prado © AntWeb 2002 - 2013
  • Photo Credit:Erin Prado © AntWeb 2002 - 2013

  • Taxonomic Classification

          Phylum: Arthropoda
          Subphylum: Hexapoda
               Class: Insecta
               Subclass: Pterygota
               Infraclass: Neoptera
                     Order: Hymenoptera
                     Suborder: Apocrita
                     Infraorder: Aculeata
                              Superfamily: Vespoidea
                              Family: Formicidae
                              Subfamily: Formicinae
                              Tribe: Formicini
                                 Genus: Formica
                                 Species: Formica subsericea

    Specific Biology

    Found in virtually all mesic habitats, but most common in wooded and woodland edge sites.

    Source: Ant Web