Orectognathus mjobergi

Orectognathus mjobergi
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmicinae
Tribe:	Attini
Genus:	Orectognathus
Species:	O. mjobergi
Binomial name
	Orectognathus mjobergi; Forel, 1915 Specimen Labels
Synonyms
	Orectognathus mjobergi unicolor Forel, 1915;

Identification

Keys including this Species

Key to Australian Orectognathus Species

Distribution

Latitudinal Distribution Pattern

Latitudinal Range: -16.45000076° to -33.2985°.


North Temperate	North Subtropical	Tropical	South Subtropical	South Temperate

Source: AntMaps

Distribution based on Regional Taxon Lists

Australasian Region: Australia (type locality).

Distribution based on AntMaps

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.

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.

Elevation Range

Occurrence at collecting sites during elevational surveys of rainforest in the Eungella region, Queensland, Australia (Burwell et al., 2020).
Species	Elevation (m asl)
Species	200	400	600	800	1000	1200
Orectognathus mjobergi			10-20
Shading indicates the bands of elevation where species was recorded. Numbers are the percentage of total samples containing this species.

Biology

Castes

Images from AntWeb


Male (alate). Specimen code casent0010934. 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.

mjobergi. Orectognathus mjobergi Forel, 1915b: 38, pl. 2, figs. 3, 4 (w.q.) AUSTRALIA. Wheeler, G.C. & Wheeler, J. 1955a: 127 (l.); Wheeler, G.C. & Wheeler, J. 1973c: 213 (l.). Senior synonym of unicolor: Brown, 1953k: 98. See also: Bolton, 2000: 23.
unicolor. Orectognathus mjobergi var. unicolor Forel, 1915b: 39 (w.) AUSTRALIA. Junior synonym of mjobergi: Brown, 1953k: 98.

Type Material

Holotype, queen, Malanda, Queensland, Australia, Mjoberg, ANIC32-010819, Australian National Insect Collection.
Syntype, 1 queen, Ravenshoe (as Cedar Creek), Queensland, Australia, Mjoberg, ANIC32-010818, Australian National Insect Collection.

Description

References

Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 301, catalogue)
Borysenko, L.H. 2022. The male of the ant genus Rhopalothrix (Hymenoptera: Formicidae: Myrmicinae). Neotropical Entomology 51, 413–422 (doi:10.1007/s13744-022-00947-w).
Brown, W. L., Jr. 1953k. A revision of the dacetine ant genus Orectognathus. Mem. Qld. Mus. 13: 84-104 (page 98, senior synonym of unicolor)
Burwell, C.J., Nakamura, A. 2020. Rainforest ants (Hymenoptera: Formicidae) along an elevational gradient at Eungella in the Clarke Range, Central Queensland coast, Australia. Proceedings of the Royal Society of Queensland 125: 43-63.
Forel, A. 1915b. Results of Dr. E. Mjöbergs Swedish Scientific Expeditions to Australia 1910-13. 2. Ameisen. Ark. Zool. 9(1 16: 1-119 (page 38, pl. 2, figs. 3, 4 worker, queen described)
Wheeler, G. C.; Wheeler, J. 1955a [1954]. The ant larvae of the myrmicine tribes Basicerotini and Dacetini. Psyche (Camb.) 61: 111-145 (page 127, larva described)
Wheeler, G. C.; Wheeler, J. 1973c. The ant larvae of the tribes Basicerotini and Dacetini: second supplement (Hymenoptera: Formicidae: Myrmicinae). Pan-Pac. Entomol. 49: 207-214 (page 213, larva described)

References based on Global Ant Biodiversity Informatics

Brown W. L. Jr. 1953. A revision of the dacetine ant genus Orectognathus. Memoirs of the Queensland Museum 13: 84-104.
Burwell C.J., and A. Nakamura. 2011. Distribution of ant speces along an altitudinal transect in continuous rainforest in subtropical Queensland, Australia. Memoirs of the Queensland Museum -Nature 55(2): 391-411.