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Species: Tetramorium pacificum   Mayr, 1870 

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See Also:

Tetramorium pacificum_cf

Taxonomic History (provided by Barry Bolton, 2018)

Tetramorium pacificum Mayr, 1870b PDF: 976 (w.q.) TONGA. Oceania. Primary type information: Tonga, Tongatabu; CASENT0235203; NHMW. AntCat AntWiki HOL

Taxonomic history

Senior synonym of Tetramorium subscabrum: Bolton, 1977 PDF: 102.


   (According to curated Geolocale/Taxon lists) Species is native to: Australasia, Indomalaya, Oceania bioregions (based on species list records).

Australasia Region: Australia, New Caledonia, Solomon Islands, Vanuatu
Indomalaya Region: Borneo, India, Indonesia, Krakatau Islands, Malaysia, Philippines, Sri Lanka, Thailand
Malagasy Region: Mauritius, Seychelles
Nearctic Region: United States
Oceania Region: Cook Islands, Fiji, French Polynesia, Micronesia, Niue, Palau, Samoa, Tonga, Wallis and Futuna
Palearctic Region: China, Switzerland

Distribution Notes:

Islands of Leyte, Luzon, Mindanao, Negros, Romblon


Introduced species. CA record: Smith (1943).


(Dutch vernacular name: Pacifische zaadmier)

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Tetramorium pacificum   Bolton, B., 1979, The ant tribe Tetramoriini (Hymenoptera: Formicidae). The genus Tetramorium Mayr in the Malagasy region and in the New World., Bulletin of the British Museum (Natural History) Entomology 38, pp. 129-181: 168, (download) 168 6435
Tetramorium pacificum   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: -1, (download) -1 21008

Specimen Habitat Summary

Found most commonly in these habitats: 20 times found in rainforest, 43 times found in primary rainforest, 39 times found in disturbed forest, 17 times found in secondary forest, 8 times found in forest, 6 times found in forest and glacis, 6 times found in forest edge, 7 times found in coastal forest, 2 times found in mixed/pine secondary forest, 3 times found in roadside, ...

Found most commonly in these microhabitats: 190 times malaise trap, 1 times sifted litter (leaf mold, rotten wood), 30 times sifted litter, 11 times on low vegetation, 1 times ex rotten branch on ground, 5 times ex dead branch above ground, 1 times ground nest, 3 times ex dead twig above ground, 2 times ground forager(s), 3 times on leaf, 1 times nesting in log, ...

Collected most commonly using these methods: 227 times M, 29 times H, 1 times 2 Maxi Winks, 31 times L, 4 times search, 2 times yellow pan trap, YP 25 trap transect, 3 times davis-sifting; incidental aspirated, 3 times F, 3 times hand collection, 3 times aspirating, 1 times aspirating; PB bait, ...

Elevations: collected from 1 - 2000 meters, 348 meters average

Type specimens: syntype: casent0235203; syntype of Tetramorium pacificum: casent0904848; syntype of Tetramorium pacificum subscabrum: casent0904850

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