Harpagoxenus

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Harpagoxenus
Harpagoxenus canadensis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Tribe: Crematogastrini
Genus: Harpagoxenus
Forel, 1893
Type species
Myrmica sublaevis, now Harpagoxenus sublaevis
Diversity
4 species
(Species Checklist, Species by Country)

Harpogoxenus-canadensis MCZ001L.jpg

Harpagoxenus canadensis

Harpogoxenus-canadensis MCZ001D.jpg

Specimen Label

Synonyms
Evolutionary Relationships



Cardiocondyla



Ocymyrmex






Nesomyrmex



Xenomyrmex





Terataner




Atopomyrmex



Cataulacus










Carebara



Diplomorium






Melissotarsus



Rhopalomastix






Calyptomyrmex



Tetramorium





Cyphoidris



Dicroaspis










Aretidris



Vollenhovia





Dacetinops



Indomyrma








Crematogaster



Meranoplus






Lophomyrmex




Adlerzia



Recurvidris






Stereomyrmex




Trichomyrmex





Eutetramorium




Royidris




Malagidris



Vitsika








Huberia



Podomyrma





Liomyrmex



Metapone













Kartidris



Mayriella





Tetheamyrma




Dacatria



Proatta









Dilobocondyla



Secostruma






Acanthomyrmex



Myrmecina





Perissomyrmex



Pristomyrmex









some Lordomyrma



Propodilobus





Lasiomyrma




[some Lordomyrma




Ancyridris



some Lordomyrma









Paratopula




Poecilomyrma




Romblonella



Rotastruma








Gauromyrmex



Vombisidris





Temnothorax




Harpagoxenus




Formicoxenus



Leptothorax













Based on Ward et al. (2014) and Blaimer et al. (2018).

This slave-making ant frequently parasitizes two host species in the genus Leptothorax.

Identification

AntWeb icon 02.png See images of species within this genus

Keys including this Genus

 

Distribution

Distribution and Richness based on AntMaps

Biology

Association with Other Organisms

All Associate Records for Genus

Explore Associate Data: All, Drilldown
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Taxon Relationship Associate Type Associate Taxon Associate Relationship Locality Source Notes
Harpagoxenus canadensis slave maker ant Leptothorax canadensis host Beibl et al., 2005; de la Mora et al., 2021
Harpagoxenus canadensis slave maker ant Leptothorax muscorum host Québec, Canada Smith, 1939
Harpagoxenus sublaevis host cestode Type 2 (Choanotaenia unicoronata?) parasite South Tyrol, Italy Buschinger, 1973; Laciny, 2021
Harpagoxenus sublaevis host gregarine Mattesia geminata parasite Germany Buschinger & Kleespies, 1999
Harpagoxenus sublaevis slave maker ant Leptothorax acervorum host Beibl et al., 2005; de la Mora et al., 2021 (and included references)
Harpagoxenus sublaevis slave maker ant Leptothorax gredleri host Foitzik et al., 2003; Guillem et al., 2014; de la Mora et al., 2021
Harpagoxenus sublaevis slave maker ant Leptothorax muscorum host Lenoir et al., 2001; Bauer et al., 2009; Brandt et al., 2007; Fischer-Blass et al., 2006; Foitzik et al., 2003; de la Mora et al., 2021

Flight Period

All Flight Records for Genus

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Taxon Month Source Notes
Harpagoxenus sublaevis Jul Aug antkeeping.info

Life History Traits

  • Mean colony size: 10 (Greer et al., 2021)
  • Compound colony type: dulosis (Greer et al., 2021)
  • Nest site: hypogaeic (Greer et al., 2021)
  • Diet class: omnivore (Greer et al., 2021)
  • Foraging stratum: subterranean/leaf litter (Greer et al., 2021)
  • Foraging behaviour: cooperative (Greer et al., 2021)

Castes

Morphology

Worker Morphology

• Antennal segment count: 11 • Antennal club: 3-4 • Palp formula: 5,3 • Spur formula: 0,0 • Eyes: >100 ommatidia • Pronotal Spines: absent • Mesonotal Spines: absent • Propodeal Spines: dentiform; present • Petiolar Spines: absent • Caste: none or weak • Sting: present • Metaplural Gland: present • Cocoon: absent

Male Morphology

 • Antennal segment count 12 • Antennal club 0 • Palp formula 5,3 • Total dental count 0-2 • Spur formula 0, 0

Karyotype

All Karyotype Records for Genus

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Taxon Haploid Diploid Karyotype Locality Source Notes
Harpagoxenus canadensis 18 Canada Buschinger et al., 1980; Fischer, 1987
Harpagoxenus sublaevis 20 40 Switzerland Buschinger et al., 1980; Hauschteck-Jungen & Jungen, 1983; Fischer, 1987

Nomenclature

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

  • HARPAGOXENUS [Myrmicinae: Formicoxenini]
    • Harpagoxenus Forel, 1893a: 167. Replacement name for Tomognathus Mayr, 1861: 56. [Junior homonym of Tomognathus Agassiz, 1850: 376 (Pisces).]
  • TOMOGNATHUS [junior homonym, see Harpagoxenus]
    • Tomognathus Mayr, 1861: 56. Type-species: Myrmica sublaevis, by monotypy. [Junior homonym of Tomognathus Agassiz, 1850: 376 (Pisces).]
    • Harpagoxenus Forel, 1893a: 167, replacement name for Tomognathus Mayr.

References