Leptothorax retractus

AntWiki: The Ants --- Online
Leptothorax retractus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Leptothorax
Species: L. retractus
Binomial name
Leptothorax retractus
Francoeur, 1986

Leptothorax-retractus-MCZ001L.jpg

Leptothorax-retractus-MCZ001D.jpg

Specimen Label

At a Glance • Polygynous  

Identification

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: 68.59655° to 44.348968°.

 
North
Temperate
North
Subtropical
Tropical South
Subtropical
South
Temperate

Distribution based on Regional Taxon Lists

Nearctic Region: Canada (type locality).

Distribution based on AntMaps

AntMapLegend.png

Distribution based on AntWeb specimens

Check data from AntWeb

Countries Occupied

Number of countries occupied by this species based on AntWiki Regional Taxon Lists. In general, fewer countries occupied indicates a narrower range, while more countries indicates a more widespread species.
pChart

Estimated Abundance

Relative abundance based on number of AntMaps records per species (this species within the purple bar). Fewer records (to the left) indicates a less abundant/encountered species while more records (to the right) indicates more abundant/encountered species.
pChart

Biology

Life History Traits

  • Queen number: polygynous (Frumhoff & Ward, 1992)

Castes

Images from AntWeb

Leptothorax retractus casent0104799 head 1.jpgLeptothorax retractus casent0104799 profile 1.jpgLeptothorax retractus casent0104799 dorsal 1.jpgLeptothorax retractus casent0104799 label 1.jpg
Queen (alate/dealate). Specimen code casent0104799. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by UCDC, Davis, CA, USA.
Leptothorax retractus casent0104800 head 1.jpgLeptothorax retractus casent0104800 profile 1.jpgLeptothorax retractus casent0104800 profile 2.jpgLeptothorax retractus casent0104800 dorsal 1.jpgLeptothorax retractus casent0104800 label 1.jpg
Male (alate). Specimen code casent0104800. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by UCDC, Davis, CA, USA.

Images from AntWeb

Leptothorax retractus casent0104798 head 1.jpgLeptothorax retractus casent0104798 profile 1.jpgLeptothorax retractus casent0104798 dorsal 1.jpgLeptothorax retractus casent0104798 label 1.jpg
Worker. Specimen code casent0104798. Photographer April Nobile, uploaded by California Academy of Sciences. Owned by UCDC, Davis, CA, USA.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • retractus. Leptothorax retractus Francoeur, 1986a: 1152, figs. 1-17 (w.q.m.) CANADA. See also: Loiselle, Francoeur, et al. 1990: 329.

Description

Karyotype

  • n = 17 (Canada) (Francoeur, 1986; Loiselle et al., 1990).
  • n = 18 (Canada) (Francoeur, 1986; Loiselle et al., 1990).

References

References based on Global Ant Biodiversity Informatics

  • Foitzik S., and Heinze, J. 1999. Non-random size differences between sympatric species of the ant genus Leptothorax (Hymenoptera: Formicidae). Entomologia Generalis 24: 65-74.
  • Francoeur A. 1997. Ants (Hymenoptera: Formicidae) of the Yukon. Biological Survey of Canada Monograph Series 2: 901-910.
  • Francoeur, A. 1986. DEUX NOUVELLES FOURMIS NÉARCTIQUES: LEPTOTHORAX RETRACTUS ET L. SPHAGNICOLUS (FORMICIDAE, HYMENOPTERA). Canadian Entomologist 118(11): 1151-1164
  • Francoeur, A. 1997. Ants (Hymenoptera: Formicidae) of the Yukon. Pages 901– 910 in H.V. Danks and J.A. Downes (Eds.), Insects of the Yukon. Biological Survey of Canada (Terrestrial Arthropods), Ottawa.
  • Heinze, J. 1995. The Origin of Workerless Parasites in Leptothorax (S. Str.) (Hymenoptera: Formicidae). Psyche 102 (3-4) :195-214
  • Lubertazi, D. Personal Communication. Specimen Data from Museum of Comparative Zoology at Harvard