DISTRIBUTION-Formica glacialis

Aweme, Telford, The Pas
(Wheeler et al., 1989)

IDENTIFICATION

Key characteristics to the species of Formica fusca group of Manitoba (Jeff Shaddock (unpublished) and modified from Francoeur (1973) and Wheeler and Wheeler (1986))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 shorter than length of head behind the eyes
11.Occipital margin straight
12.Length of alitrunk 1.55-2.60 mm
13.Promesonotum without erect hairs
14.Gastric pubescence normal on first and second segments
15.The first gastric segment with 8 to 32 (mean = 17) erect hairs, not including posterior row of hairs

                       
  • Photo Credit:April Nobile © AntWeb 2002 - 2013
  • Photo Credit:April Nobile © AntWeb 2002 - 2013


  • Taxonomic Classification

    Kingdom:Animalia
          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 glacialis

    Specific Biology

    Habitats: fens, sedge meadows, wet prairies, edges of swamps and marshes
    Source: Ant Web