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Species: Tetramorium bicarinatum   (Nylander, 1846) 

Download Data

Taxonomic History (provided by Barry Bolton, 2017)

Myrmica bicarinata Nylander, 1846b PDF: 1061 (w.q.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

Forel, 1891c PDF: 151 (m., misidentified as Tetramorium guineense); Wheeler & Wheeler, 1954d PDF: 449 (l., misidentified as Tetramorium guineense); Wheeler, 1924d PDF: 136 (gynandromorph, misidentified as Tetramorium guineense).
Combination in Tetramorium: Mayr, 1862 PDF: 740; Bolton, 1977 PDF: 94.
Junior synonym of Formica guineensis Fabricius, 1793 PDF: 357 (now in Pheidole): Mayr, 1862 PDF: 740.
Revived from synonymy and senior synonym of Tetramorium cariniceps (and its junior synonym Tetramorium kollari), Tetramorium modesta Smith, [no year], Tetramorium reticulata: Bolton, 1977 PDF: 94.
[Note. The names Tetramorium cariniceps, Tetramorium kollari and Tetramorium reticulata had previously been incorrectly synonymised with Tetramorium guineensis Fabricius, [no year] by Roger, 1862c PDF: 293; Tetramorium modesta Smith, [no year] was wrongly synonymised with Tetramorium guineensis by Donisthorpe, 1932c PDF: 463.].


Afrotropical Region: Cape Verde, Eritrea, Ghana
Australasia Region: Lord Howe Island, New Caledonia, New Guinea, New Zealand, Norfolk Island, Papua New Guinea, Queensland, Solomon Islands, Vanuatu, Western Australia
Indomalaya Region: Andaman and Nicobar Islands, Bangladesh, Bhutan, Borneo, Indonesia, Krakatau Islands, Malaysia, Nicobar Island, Philippines, Sri Lanka, Thailand, Vietnam
Malagasy Region: Comoros, Europa Island, Madagascar, Mauritius, Mayotte, Reunion, Seychelles
Nearctic Region: Alabama, Arkansas, California, Florida, Georgia, Illinois, Louisiana, Mississippi, Missouri, North Carolina, South Carolina, Texas
Neotropical Region: Aruba, Barbados, Brazil, British Virgin Islands, Costa Rica, Cuba, Dominican Republic, Ecuador, French Guiana, Galapagos Islands, Guyana, Haiti, Honduras, Martinique, Nicaragua, Panama, Puerto Rico, Trinidad and Tobago
Oceania Region: American Samoa, Fiji, French Polynesia, Guam, Hawaii, Kiribati, Marshall Islands, Micronesia, Niue, Samoa, Tokelau, Tonga
Palearctic Region: Austria, Belgium, China, Crete, Denmark, Germany, Greece, Hungary, Israel, Japan, Macaronesia, Montenegro, Netherlands, Spain, Sweden, United Arab Emirates, Yemen

Distribution Notes:

One record from Wallonia, only indoors


urban areas


Introduced species, although California is the type locality (leg. R. F. Sahlberg, in 1840) (Nylander (1846:1061).


first record in NZ; 1959 (Taylor 1961)

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Tetramorium bicarinatum   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: -1, (download) -1 21008
Tetramorium bicarinatum   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: 164-165, (download) 164-165 6435

Specimen Habitat Summary

Found most commonly in these habitats: 35 times found in forest edge, open area, 24 times found in coastal scrub, 33 times found in disturbed forest, 34 times found in 2º lowland rainforest, 29 times found in urban/garden, 14 times found in rainforest, 17 times found in secondary forest, 13 times found in dry forest, 11 times found in roadside, 10 times found in urban garden, ...

Found most commonly in these microhabitats: 32 times ground forager(s), 34 times on low vegetation, 42 times ex sifted leaf litter, 21 times ex dead twig above ground, 10 times under stone, 14 times ex rotten log, 3 times sifted litter (leaf mold, rotten wood), 3 times on ground, foraging, 3 times ex rotten branch on ground, 5 times under tree bark, live tree, 3 times under rotten log, ...

Collected most commonly using these methods: 47 times Malaise, 35 times miniWinkler, 12 times hand collection, 16 times aspirating; PB bait, 11 times Malaise trap, 7 times beating low vegetation, 10 times aspirating; PB & maple syrup bait, 7 times search, 7 times at light, 7 times davis-sifting; incidental aspirated, 7 times maxiWinkler, ...

Elevations: collected from 1 - 1582 meters, 290 meters average

Type specimens: syntype: casent0235201, casent0235209, casent0235210; syntype of Myrmica kollari: casent0235199, casent0235200; syntype of Myrmica modesta: casent0901374; syntype of Myrmica reticulata: casent0901076

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