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Species: Mayriella spinosior   Wheeler, 1935 

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Taxonomic History (provided by Barry Bolton, 2019)

Mayriella spinosior Wheeler, 1935e PDF: 159, fig. 1 (w.) AUSTRALIA. Australasia. AntCat AntWiki HOL

Taxonomic history

See also: Shattuck & Barnett, 2007: 448.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Oceania: Australia
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Taxonomic Treatment (provided by Plazi)

Treatment Citation: Shattuck, S. O. & Barnett, N. J., 2007, Revision of the ant genus Mayriella., Advances in ant systematics (Hymenoptera: Formicidae): Homage to E. O. Wilson - 50 years of contributions. (Memoirs of the American Entomological Institute 80), pp. 437-458

Mayriella spinosior WheelerHNS, 1935

Figures 20 - 22

Mayriella spinosior WheelerHNS, 1935: 159.


Holotype worker from Australia, Cairns district, Queensland (MCZC) (examined).


(In ANIC unless otherwise noted). Australia, Queensland: 14 km WbyS Eungella GoogleMaps, 21 ° 10 ' S 148 ° 22 ' E (Gillison, A.) GoogleMaps; 1 km W Imbil (Hill, L.); 1 km W Kuranda (Doyen, J.) (MCZC); 8.5 km WSW Seaforth GoogleMaps, 20 ° 56 ' S 148 ° 53 ' E (Gillison, A.) GoogleMaps; Braemar State Forest GoogleMaps, via Kogan GoogleMaps, 27 ° 13 ' S 150 ° 50 ' E (Raven, P.) GoogleMaps; Burpengary , via Cabodture (Monteith, G. B.); Cape Tribulation GoogleMaps, 16 ° 04 ' S 145 ° 28 ' E (Calder, A. & Weir, T.) GoogleMaps; Carnarvon Gorge (Woodward, T. E.); Lake Barrine , Atherton Tableland (Darlington) (MCZC); Melita , Cooloola Natl Pk (Greenslade, P. J. M.); Mossman Bluff Track , 5 - 10 km W Mossman (Monteith & Thompson); Mt. Webb Natl. Pk., 15 ° 04 ' S 145 ° 07 ' E (Calder, A. & Feehan, J.) GoogleMaps; Plowman , Cooloola Natl Pk (Greenslade, P. J. M.); Reedy Creek , via Somerset Dam (Monteith, G. B.); Thornton Range GoogleMaps, 16 ° 14 ' S 145 ° 26 ' E ( Taylor, R. W. & Feehan GoogleMaps, J.) GoogleMaps.


This species can be separated from others in this genus by the lateral margins of the postpetiole being expanded anteriorly and forming a trapezoid when viewed from above (similar to Fig. 9), combined with the lack of erect hairs on the gaster.


Sculpturing in posterior section of antennal scrobe well developed and distinct; sculpturing on dorsal surface of mesosoma consisting of large, closely spaced pits; propodeal spines relatively long and thin; dorsal surface of petiole in lateral profile angular and with distinct dorsal and posterior faces; in dorsal view, anterior region of postpetiole expanded relative to posterior region; dorsum of postpetiole with at most four erect hairs; gaster generally lacking erect hairs dorsally, very rarely (only known in one specimen) erect hairs present.

Measurements. Worker (n = 10) - CI 0.91 - 0.97; HL 0.44 - 0.57; HTL 0.24 - 0.32; HW 0.41 - 0.55; ML 0.46 - 0.60; PW 0.29 - 0.40; SI 0.59 - 0.65; SL 0.26 - 0.33.


This species has been found primarily in litter samples collected in rainforests with a few additional records from Eucalyptus woodlands. It occurs along essentially the entire Queensland coast with several inland records in the southern part of its range.

This species is sympatric with M. abstinensHNS, to such an extent that they have been collected together in the same litter samples. This co-occurrence is at least partly the cause of earlier taxonomic confusion in the genus as several individual pins in the ANIC contained both species, complicating initial species characterizations. Once this sympatry was recognized and the species separated, diagnoses were easily developed.

Specimen Habitat Summary

Found most commonly in these habitats: 6 times found in rainforest, 3 times found in Rainforest on steep slope, 2 times found in closed forest, 2 times found in Dry rainforest, 1 times found in open forest, 1 times found in semi-deciduous vine thicket, 1 times found in Eucalyptus woodland, 1 times found in Lowland rainforest.

Found most commonly in these microhabitats: 8 times Leaf litter, 5 times sieved litter, 2 times stick brushing, 2 times litter, 1 times flight intercept trap, 1 times berlesate.

Collected most commonly using these methods: 1 times berlesate ANIC 944.

Elevations: collected from 10 - 2300 meters, 472 meters average

Type specimens:

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