Tetraponera emeryi (Forel)

Ward, Philip S., 2022, The ant genus Tetraponera (Hymenoptera: Formicidae) in the Afrotropical region: taxonomic review and key to species, Zootaxa 5102 (1), pp. 1-70 : 30

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Tetraponera emeryi (Forel)


Tetraponera emeryi (Forel)

( Figs 2 View FIGURES 1–3 , 8 View FIGURES 7–9 , 36 View FIGURES 35–40 )

Sima Emeryi Forel 1911a: 367 . Syntypes, 2 workers, Pretoria, South Africa (Simon) (MSNG) [examined]. Name given by Forel (1911a: 367) for Emery’s (1895b: 23) description of workers of “ Sima capensis ” (nec F. Smith) from Pretoria.

Sima Braunsi var. durbanensis Forel 1914: 218 . Syntype, 1 worker, Durban , South Africa (Arnold) (MHNG) [examined]. Imaged on AntWeb: CASENT0907471. Syn. nov.

Sima (Tetraponera) Emeryi Forel ; Arnold 1916: 187. Combination in Sima (Tetraponera) .

Tetraponera emeryi (Forel) ; Wheeler 1922b: 797. Combination in Tetraponera .

Tetraponera emeryi (Forel) ; Chomicki et al. 2015: figure S1. Placement in molecular phylogeny.

Sima (Tetraponera) clypeata race Braunsi var. durbanensis Forel ; Arnold 1916: 184. Combination in Sima (Tetraponera) , as infrasubspecific name.

Tetraponera clypeata subsp. braunsi var. durbanensis (Forel) ; Wheeler 1922b: 797. Combination in Tetraponera , as infrasubspecific name.

Tetraponera braunsi durbanensis (Forel) ; Ward 1990: 488. Combination in Tetraponera .

Worker measurements (n = 12). HW 0.58–0.69, HL 0.77–0.99, LHT 0.49–0.64, CI 0.70–0.76, FCI 0.08–0.12, REL 0.28–0.32, REL2 0.39–0.44, SI 0.64–0.68, SI3 1.54–1.69, FI 0.36–0.42, PLI 0.51–0.56, PWI 0.38–0.45, LHT/ HW 0.84–0.92, CSC 2, MSC 0.

Worker diagnosis. Similar to Tetraponera clypeata (see above) except as follows: scapes tending to be longer (SI 0.64–0.68) ( Fig. 2 View FIGURES 1–3 ), frontal carinae more closely adjacent (FCI 0.08–0.12) and profemur more slender (FI 0.36–0.42); mesopropodeal impression lacking conspicuous longitudinal rugulae; light yellowish-orange in color ( Figs 7, 8 View FIGURES 7–9 ).

Comments. Workers of T. emeryi are most readily distinguished from those of their close relative, T. clypeata , on the basis of color: light yellowish-orange as opposed to dark brown in T. clypeata . The two species are broadly sympatric in southwestern South Africa. T. emeryi workers also tend to have longer appendages and more closely adjacent frontal carinae than T. clypeata , but the relevant metrics overlap. Differences in the male terminalia, including a more dorsally deflected posteromedial margin of sternite IX (hypopygium) in T. emeryi , support their treatment as different species. For distinctions between T. emeryi and T. furtiva see under the latter species.

Distribution and biology. T. emeryi occurs from the Western Cape of South Africa east to KwaZulu-Natal and Eswatini ( Swaziland), and north as far as the Vumba Mountains in eastern Zimbabwe. Nests site records include Vachellia karroo thorns, and dead twigs of Podalyria , Buddleja , Dombeya , Vachellia caffra , “thorny vine”, and unidentified woody plants. Habitats range from from Afromontane forest and forest edge to tropical dry forest, “garden” and “riverine”.

Material examined ( ANIC, ASIC, CASC, CUIC, KUES, MCZC, MHNG, MSNG, MZLU, NHMB, NHMW, PSWC, SAMC, UASK, UCDC, USNM). Eswatini: Hhohho: 5 km NE Forbes Reef, 1520 m (Ward, P. S.); Majolomba Gorge, Malolotja Nature Reserve, 1150 m (Ward, P. S.); Malolotja Nature Reserve, E bdy, 3 km N Nkomati R., 800 m (Ward, P. S.); South Africa: Eastern Cape: Andries Vosloo Kudu Reserve, 12.8 km NNE Fort Brown (Lubertazzi, D.); East London (Fowles, E.); Glenthorpe Farm, nr. Grahamstown (Zachariades, C.); Grahamstown (Brown, W. L.); Grahamstown (Silberbauer, L. X.; Bennett, L.); Grahamstown (Weatherill, L.); King Williams Town (Capener, A.); Mountain Zebra N.P., Cradock (U. Cape Town Ecol. Survey); Pirie Forest (Capener, A.); Port Elizabeth (Brauns); Port Elizabeth (c.u.); Port St. Johns (Bradley, J. C.); Sundays River Valley (c.u.); Tsitsikama N.P. (Kimsey, R. B.); Tsitsikamma Nat. Park (Allen, J.); Gauteng: Pretoria (Simon); KwaZulu-Natal: 17 km NE Empangeni, Nseleni River (Danielsson, R.); Durban (Arnold); Durban (c.u.); Durban (Cooper, C. B.); Giants Castle, 1750 m (Ward, P. S.); Hilltop Camp, Hluhluwe Game Reserve, 450 m (Ward, P. S.); N of Richards Bay (de Kock, A.; Majer, J. D.); Natal, Umtamvuna Nature Reserve, 160 m (van Noort, S.); Natal, Umtamvuna Nature Reserve, 220 m (van Noort, S.); Nature’s Valley, Pinetown (Caldwell, P.); Pinetown (Marley, B.); Sydenham (Marley, H. B.); Umgeni Lagoon (Arnold); Umhlanga Rocks [as “Umhlanga”] (c.u.); Umkumbaan, Durban (Caldwell, P.); Limpopo: Tweefontein 14 km NE Warmbaths (Kimsey, R. B.); Mpumalanga: Mariepskop [as “Marieps”] (Faure, J. C.); Mariepskop, 1250 m (Fisher, B. L.; et al.); Mariepskop, 1250 m (Alpert, G. D.); Salique (Faure, J. C.); province unknown: Cape Colony [as “Cap Col.”] (Brauns); Western Cape: 1 km NE Nature’s Valley, 10 m (Ward, P. S.); 9 km ESE George, Kaaimansrivier (Danielsson, R.); Bloukrans-Pass, by Vargrivier (Danielsson, R.); Cape Peninsula, St. Michael’s Road, Claremont (Matilya, G. J.); Clanwilliam (Malkin, B.); Claremont, 22 Livingstone Road (Robertson, D. A.; Robertson, H. G.); Claremont, 22 Livingstone Road (Robertson, H. G.); Fernkloof Nature Reserve (Robertson, H. G.); foot of Duivelsbos, Marloth Nature Reserve, 275 m (Robertson, H. G.); Franschhoek Bosreserve, Upper Berg River (Brinck; Rudebeck); Grootvadersbos (c.u. [ex A. J. Prins Collection]); Malgas, 40 m (Danielsson, R.); Mjinga, The Crags (Robertson, D. A.; Robertson, H. G.); Montagu [as “Montague”] (c.u.); Nature’s Valley, 10 m (van Noort, S.); Nature’s Valley, at Groot Rivier (Danielsson, R.); Oudebos River, Kogelberg Nature Reserve, 180 m (Ward, P. S.); Oudebos River, Kogelberg Nature Reserve, 280 m (Ward, P. S.); Zimbabwe: Manicaland: Vumba Mts. (c.u.).


Australian National Insect Collection


Cornell University Insect Collection


Museum d'Histoire Naturelle


Museo Civico di Storia Naturale di Genova 'Giacomo Doria'


Lund University


Natural History Museum Bucharest


Naturhistorisches Museum, Wien


Iziko Museums of Cape Town


Ukrainian Academy of Science


R. M. Bohart Museum of Entomology


Smithsonian Institution, National Museum of Natural History














Tetraponera emeryi (Forel)

Ward, Philip S. 2022

Tetraponera braunsi durbanensis (Forel)

Ward, P. S. 1990: 488

Tetraponera emeryi (Forel)

Wheeler, W. M. 1922: 797

Tetraponera clypeata subsp. braunsi var. durbanensis (Forel)

Wheeler, W. M. 1922: 797

Sima (Tetraponera) Emeryi Forel

Arnold, G. 1916: 187

Sima (Tetraponera) clypeata

Arnold, G. 1916: 184

Sima Braunsi var. durbanensis

Forel, A. 1914: 218

Sima Emeryi

Forel, A. 1911: 367
Forel, A. 1911: 367
Emery, C. 1895: 23