Opisthopsis

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Opisthopsis
Opisthopsis respiciens
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Formicinae
Tribe: Camponotini
Genus: Opisthopsis
Dalla Torre, 1893
Type species
Formica (Myrmecopsis) respiciens, now Opisthopsis respiciens
Diversity
20 species
(Species Checklist, Species by Country)

Opisthopsis respiciens casent0173607 profile 1.jpg

Opisthopsis respiciens

Opisthopsis respiciens casent0173607 dorsal 1.jpg

Specimen Label

Synonyms

Photo Gallery

  • Shattuck C14160-web, SOSC-4575, ANIC32-030552-3, Opisthopsis, e. Mareeba, Queensland.jpg
  • Shattuck C14167, SOSC-4575-1, ANIC32-030552, Opisthopsis, e. Mareeba, Queensland.jpg

Identification

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Keys including this Genus

 

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 15 9 0 0 0 0 0
Total Species 2840 1735 3042 932 835 4378 1740 2862

Biology

Life History Traits

  • Mean colony size: 100-200 (Greer et al., 2021)
  • Compound colony type: not parasitic (Greer et al., 2021)
  • Nest site: hypogaeic; arboreal (Greer et al., 2021)
  • Diet class: omnivore (Greer et al., 2021)
  • Foraging stratum: subterranean/leaf litter; arboreal (Greer et al., 2021)

Castes

Morphology

Worker Morphology

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• Antennal segment count: 12 • Antennal club: absent • Palp formula: 6,4 • Total dental count: 5-6 • Spur formula: 1 simple, 1 simple • Eyes: >100 ommatidia • Pronotal Spines: absent • Mesonotal Spines: absent • Propodeal Spines: absent • Petiolar Spines: absent • Caste: monomorphic, some size-variable • Sting: absent • Metaplural Gland: present • Cocoon: present

Karyotype

All Karyotype Records for Genus

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Taxon Haploid Diploid Karyotype Locality Source Notes
Opisthopsis rufithorax 50 Australia Imai et al., 1977

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.

  • OPISTHOPSIS [Formicinae: Camponotini]
    • Opisthopsis Dalla Torre, 1893: 219. Replacement name for Myrmecopsis Smith, F. 1865: 68. [Junior homonym of Myrmecopsis Newman, 1850: cxxii (Lepidoptera).]
  • MYRMECOPSIS [junior homonym, see Opisthopsis]
    • Myrmecopsis Smith, F. 1865: 68 [as subgenus of Formica]. Type-species: Formica (Myrmecopsis) respiciens, by monotypy. [Junior homonym of Myrmecopsis Newman, 1850: cxxii (Lepidoptera).]
    • Myrmecopsis raised to genus: Mayr, 1876: 76.
    • Opisthopsis Dalla Torre, 1893: 219, replacement name for Myrmecopsis Smith, F.

References