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Species: Tetramorium (simillimum) simillimum   (Smith, 1851) 

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See Also:

Tetramorium simillimum_cf, Tetramorium simillimum bothae, Tetramorium simillimum delagoense, Tetramorium simillimum delagoënsis, Tetramorium simillimum denticulata, Tetramorium simillimum denticulatum, Tetramorium simillimum dumezi, Tetramorium simillimum insulare, Tetramorium simillimum insularis, Tetramorium simillimum isipingense, Tetramorium simillimum isipingensis, Tetramorium simillimum isis, Tetramorium simillimum ladismithensis, Tetramorium simillimum laevinode, Tetramorium simillimum laevinodis, Tetramorium simillimum lavinode, Tetramorium simillimum madecassa, Tetramorium simillimum madecassum, Tetramorium simillimum opacior, Tetramorium simillimum poweri, Tetramorium simillimum shilohense, Tetramorium simillimum shilohensis, Tetramorium simillimum tablense

Taxonomic History (provided by Barry Bolton, 2017)

Myrmica simillima Smith, 1851 PDF: 118 (w.) GREAT BRITAIN. Palearctic. AntCat AntWiki HOL

Taxonomic history

Meinert, 1861: 331 (gynandromorph); André, 1883a: 289 (q.m.); Imai, Baroni Urbani, et al. 1984: 8 (k.).
Combination in Tetramorium: Mayr, 1861 PDF: 61.
Senior synonym of Tetramorium pygmaeum: Forel, 1916 PDF: 421; of Tetramorium brevispinosa: Borgmeier, 1937b PDF: 241; of Tetramorium insulare: Yarrow, 1967 PDF: 28; of Tetramorium denticulatum, Tetramorium opacior, Tetramorium parallela: Bolton, 1977 PDF: 131; of Tetramorium bantouana, Tetramorium exoleta and material of the unavailable name Tetramorium breve referred here: Bolton, 1980 PDF: 320.
See also: Emery, 1909f: 696.


   Species is introduced to: Australasia, Indomalaya, Malagasy, Nearctic, Neotropical, Oceania, Palearctic bioregions.

Afrotropical Region: Anseba, Bundibugyo, Coastal, Democratic Republic of Congo, Eritrea, Ethiopia, Gauteng, Ghana, Guinea, Ivory Coast, Kabarole, Kenya, Limpopo, Malawi, Matabeleland North, Mozambique, Nigeria, Ruvuma, SNNPR, Senegal, Sofala, South Africa, Tanzania, Tete, Uganda, Wakiso, Zambia, Zimbabwe
Australasia Region: Central, Makira-Ulawa, New Caledonia, New Guinea, Norfolk Island, Northern, Northern Territory, Nusa Tenggara Timur, Queensland, Solomon Islands, Vanuatu, Western Australia
Indomalaya Region: Arunachal Pradesh, Bangladesh, Borneo, Goa, Indonesia, Karnataka, Krakatau Islands, Lampung, Malaysia, Philippines, Sri Lanka, Thailand, West Bengal
Malagasy Region: Anjouan, Antananarivo, Antsiranana, Comoros, Europa Island, Fianarantsoa, Madagascar, Mahajanga, Majunga, Mauritius, Mayotte, Mohéli, Reunion, Rodrigues, Seychelles, Toamasina, Toliara
Nearctic Region: California, Florida, Georgia
Neotropical Region: Barbados, Basse-Terre, Bermuda, Brazil, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, Galapagos Islands, Grande-Terre, Guadeloupe, Guanacaste, Guyana, Limón, Marie Galante, Martinique, Paraguay, Puerto Rico, Risaralda, Venezuela
Oceania Region: Ba, Cook Islands, Fiji, French Polynesia, Gaga'ifomauga, Guam, Hawaii, Kiribati, Lau, Lomaiviti, Marshall Islands, Micronesia, Niue, Northern Mariana Islands, Palau, Pohnpei, Rewa, Samoa, Tailevu, Tokelau, Tonga, Tongatapu, Tuamasaga, Wallis and Futuna Islands
Palearctic Region: China, Denmark, Estonia, Israel, Japan, Macaronesia, Ogasawara Islands, Saudi Arabia, United Kingdom, Yemen

Distribution Notes:

Reference for Kenya if not type: Santschi 1914b


Natural History:

Tetramorium simillimum is an uncommon tramp species in Costa Rica. I have only collected it once in Costa Rica, on a picnic table at the headquarters of Santa Rosa National Park.


Introduced species. CA record: Bolton (1979: 171).


Caste of types: (w)

Taxonomic Treatment (provided by Plazi)

Scientific Name Status Publication Pages ModsID GoogleMaps
Tetramorium simillimum   Wild, A. L., 2007, A catalogue of the ants of Paraguay (Hymenoptera: Formicidae)., Zootaxa 1622, pp. 1-55: 38, (download) 38 21367
Tetramorium simillimum   Collingwood, C. A., 1979, The Formicidae (Hymenoptera) of Fennoscandia and Denmark., Fauna Entomologica Scandinavica 8, pp. 1-174: 85, (download) 85 6175
Tetramorium simillimum   Wheeler, W. M., 1922, The ants collected by the American Museum Congo Expedition., Bulletin of the American Museum of Natural History 45, pp. 39-269: 193, (download) 193 20597
Tetramorium simillimum   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: 170-171, (download) 170-171 6435
Tetramorium simillimum   Forel, A., 1893, Formicides de l'Antille St. Vincent. Récoltées par Mons. H. H. Smith., Transactions of the Entomological Society of London 1893, pp. 333-418: 382-383, (download) 382-383 3948
Tetramorium simillimum   Ward, P. S., 2005, A synoptic review of the ants of California (Hymenoptera: Formicidae)., Zootaxa 936, pp. 1-68: -1, (download) -1 21008
Tetramorium simillimum   Forel, A., 1907, The Percy Sladen Trust Expedition to the Indian Ocean in 1905, under the leadership of Mr. J. Stanley Gardiner. No. VI. - Fourmis des Seychelles, Amirantes, Farquhar et Chagos., Transactions of the Linnean Society of London 12, pp. 91-94: -1, (download) -1 4010
Tetramorium (Tetrogmus) simillimum   Santschi, F., 1914, Formicidae., Voyage de Ch. Alluaud et R. Jeannel en Afrique Orientale (1911 - 1912). Résultats scientifiques. Hyménoptères 2, pp. 41-148: 106, (download) 106 8111

Specimen Habitat Summary

Found most commonly in these habitats: 47 times found in tropical dry forest, 37 times found in urban/garden, 23 times found in coastal scrub, 16 times found in rainforest, 6 times found in port of entry/city, 23 times found in forest, 18 times found in mixed forest, 15 times found in urban garden, 7 times found in tropical dry forest on Tsingy, 10 times found in spiny forest/thicket, ...

Found most commonly in these microhabitats: 57 times sifted litter (leaf mold, rotten wood), 51 times ground forager(s), 43 times ex rotten log, 23 times under stone, 16 times on low vegetation, 13 times under rootmat, litter on rock, 9 times sifted litter, 11 times under tree bark, live tree, 2 times foraging on ground, 5 times ex rotten stick on ground, 8 times malaise trap, ...

Collected most commonly using these methods: 30 times MW 50 sample transect, 5m, 9 times H, 15 times aspirating; PB bait, 7 times 9 MaxiWinks, mixed samples, 10 times MW 25 sample transect, 5m, 2 times 2 Maxi Winks, 7 times L, 2 times aspirating, 5 times winkler, 8 times M, 6 times pitfall trap, PF 50 traps, 11 cm dbh with water, soap, formalin, nonlinear placement, ...

Elevations: collected from 1 - 1650 meters, 188 meters average

Type specimens: Holotype: casent0249091, casent0249092, casent0249093; not part of type series: casent0915079; syntype of Tetramorium pusillum bantouana: casent0915080; syntype of Tetramorium pusillum bantuala breve: casent0915081; syntype of Tetramorium pygmaeum: casent0904832; syntype of Tetramorium simillimum denticulatum: casent0909115; syntype of Wasmannia auropunctata brevispinosa: casent0915082; type of Tetramorium simillimum var. opacior: focol2100

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