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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. "Tonga, Tongatabu." Naturhistorisches Museum, Wien, Austria (NHMW). CASENT0235203. AntCat AntWiki HOL

Taxonomic history

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


 Species is native to: Australasia, Indomalaya, Oceania bioregions (based on species list records).

Afrotropical Region: Africa, Eastern Africa
Australasia Region: Australia, Australia and New Zealand, New Caledonia, Oceania, Queensland, Solomon Islands, Vanuatu
Indomalaya Region: Andaman and Nicobar Islands, Asia, Borneo, Central, India, Indonesia, Krakatau Islands, Lampung, Malaysia, Perak, Philippines, Sabah, South-Eastern Asia, Southern Asia, Sri Lanka, Sumatera Barat, Thailand, Yunnan
Malagasy Region: Mauritius, Rodrigues, Seychelles
Nearctic Region: California, North America, United States
Neotropical Region: Americas
Oceania Region: Angaur, Ba, Bua, Cakaudrove, Cook Islands, Fiji, French Polynesia, Kadavu, Lau, Lomaiviti, Macuata, Melanesia, Melekeok, Micronesia, Micronesia, Naitasiri, Namosi, Ngardmau, Ngatpang, Ngchesar, Niue, Palau, Peleliu, Pohnpei, Polynesia, Rewa, Samoa, Tonga, Tuamasaga, Wallis and Futuna
Palearctic Region: China, Eastern Asia, Europe, Switzerland, Western Europe, Zurich

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, 3 times found in roadside, 2 times found in mixed/pine secondary forest, ...

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 ground nest, 1 times ex rotten branch on ground, 5 times ex dead branch above ground, 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, 3 times search, 2 times yellow pan trap, YP 25 trap transect, 3 times aspirating, 1 times aspirating; PB bait, 3 times davis-sifting; incidental aspirated, 3 times F, 3 times hand collection, ...

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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