Prolasius

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Photo Gallery

  • Foraging worker, Canberra, Australia. Photo by Steve Shattuck.
  • Foraging worker, Canberra, Australia. Photo by Steve Shattuck.

Identification

Distribution

Distribution and Richness based on AntMaps

Species by Region

Number of species within biogeographic regions, along with the total number of species for each region.

Afrotropical Region Australasian Region Indo-Australian Region Malagasy Region Nearctic Region Neotropical Region Oriental Region Palaearctic Region
Species 0 19 1 0 0 0 0 0
Total Species 2840 1735 3042 932 835 4378 1740 2862

Biology

Association with Other Organisms

All Associate Records for Genus

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Taxon Relationship Associate Type Associate Taxon Associate Relationship Locality Source Notes
Prolasius advena host nematode Diploscapter formicidae parasite Quevillon, 2018 multiple encounter modes; indirect transmission; transmission outside nest
Prolasius advena host nematode Diploscapter formicidae parasite New Zealand Zhao et al., 2013

Life History Traits

  • Mean colony size: 200-1470 (Greer et al., 2021)
  • Compound colony type: not parasitic (Greer et al., 2021)
  • Nest site: hypogaeic; arboreal (Greer et al., 2021)
  • Diet class: herbivore; omnivore (Greer et al., 2021)
  • Foraging stratum: subterranean/leaf litter (Greer et al., 2021)
  • Foraging behaviour: cooperative (Greer et al., 2021)

Castes

Head of worker Side of worker Top of worker

Worker of P. nitidissimus from Tasmania.

Morphology

Worker Morphology

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• Antennal segment count: 12 • Antennal club: gradual • Palp formula: 6,4 • Total dental count: 5-6 • Spur formula: 1 simple, 1 simple • Eyes: 11-100 ommatidia • Scrobes: absent • Pronotal Spines: absent • Mesonotal Spines: absent • Propodeal Spines: absent • Petiolar Spines: absent • Caste: none or weak • Sting: absent • Metaplural Gland: present • Cocoon: present

Karyotype

Species Uncertain

  • Prolasius sp.(ANIC-1): n = 9, 2n = 18 (Australia) (Imai et al., 1977).
  • Prolasius sp.(ANIC-2): 2n = 18 (Australia) (Imai et al., 1977).

All Karyotype Records for Genus

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Phylogeny

Formicinae
Myrmelachistini
Lasiini
Melophorini
Formicini
Gesomyrmecini

Gesomyrmex  (7 species, 12 fossil species)

Oecophyllini

Oecophylla  (15 species, 16 fossil species)

Plagiolepidini
Gigantiopini

Gigantiops  (1 species, 0 fossil species)

Santschiellini

Santschiella  (1 species, 0 fossil species)

Myrmoteratini

Myrmoteras  (41 species, 0 fossil species)

Camponotini

See Phylogeny of Formicinae for details.

Nomenclature

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

  • PROLASIUS [Formicinae: Lasiini]
    • Prolasius Forel, 1892c: 331 [as subgenus of Lasius]. Type-species: Formica advena, by monotypy.
    • Prolasius subgenus of Lasius: Wheeler, W.M. 1910g: 143.
    • Prolasius subgenus of Melophorus: Forel, 1917: 248; Emery, 1925b: 13.
    • Prolasius raised to genus: Wheeler, W.M. 1922a: 695; Clark, 1934c: 66; Wheeler, W.M. 1935c: 71.

References