Prolasius

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Prolasius
Prolasius advena
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Melophorini
Genus: Prolasius
Forel, 1892
Type species
Formica advena, now Prolasius advena
Diversity
19 species
(Species Checklist, Species by Country)

Prolasius advenus casent0172948 profile 1.jpg

Prolasius advena

Prolasius advenus casent0172948 dorsal 1.jpg

Specimen Label

Evolutionary Relationships
Formicinae

Myrmelachistini
  (2 genera)




Lasiini
  (10 genera)




Melophorini


Melophorus
  (92 species)



Stigmacros
  (39 species)






Myrmecorhynchus
  (3 species)




Lasiophanes
  (6 species)



Notostigma
  (2 species)







Notoncus
  (6 species)



Pseudonotoncus
  (2 species)





Prolasius
  (19 species)



Teratomyrmex
  (3 species)









Formicini
  (8 genera)





Gesomyrmex, Oecophylla



Plagiolepidini
  (9 genera)





Gigantiops, Myrmoteras, Santschiella



Camponotini
  (8 genera)








Based on Ward et al. 2016.


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

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
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

• 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

Explore Data: All, Drilldown
Click here to show/hide karyotype data.
Taxon Haploid Diploid Karyotype Locality Source Notes
Prolasius 18 Australia Imai et al., 1977
Prolasius 9 18 Australia Imai et al., 1977

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