Nesomyrmex angulatus (Mbanyana, N. & Robertson, H. G. 2008)
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Ordo: Hymenoptera
Familia: Formicidae
Genus: Nesomyrmex
Name
Nesomyrmex angulatus Mbanyana, N., 2008 – Wikispecies link – Pensoft Profile
- Nesomyrmex angulatus Mbanyana, N., 2008, African Natural History 4: 38-38.
Discussion
Description
Description of worker HL 0.672-0.811, HW 0.565-0.692, HW1 0.610-0.736, CI 78-87, SL 0.487-0.613, SI 84-92, PW 0.423-0.541, ML 0.785-1.087, EL 0.169-0.197, EI 28-30 (5 of 81 measured). Description matches that of Bolton (1982) except for few additional characters. Sculpture on the dorsum of head is not only reticulate-punctulate but also with longitudinal striations, which are well defined near the inner margin of the eyes.
Diagnosis
Diagnosis Nesomyrmex angulatusHNS is easily distinguished from other species in the angulatusHNS species-group by the mesosoma, which forms a single, uninterrupted flat surface without any trace of metanotal groove; in the other species, the promesonotum is separated from propodeum by metanotal groove or impression.
Biology and Ecology
Biology Nests in cavities of dead wood on trees in savanna habitats.
Materials Examined
Material examined South Africa: KwaZulu-Natal: St Lucia, 05 August 1945, J.C. Faure, SAM-HYM-C004716; Mkuzi [= Mkuze], 16 May 1946, J.C. Faure, SAM-HYM-C004717; Mkuze Game Reserve, Mantuma Rest Camp, 27°36'S 32°13'E, collected from the nest, 26 February 1988, H.G. Robertson, SAM-HYM-C001007; 4.5 km SW of Golela, 27°20'03"S 31°50'09"E, 20 November 1996, Acacia niloticaHNS, F. Grobbelaar & I.M. Millar, SAM-HYM-C010657; Sordwana, 27°33'S 32°40'E, 20 May 1946, A.R.I., SAM-HYM-C011707; Pongola, [27°23'S 31°37'E], 13 July 1967, Dr Karney, SAM-HYM-C015108; Limpopo: Lapellala [= Lapalala], [23°53'S 20°28'E], ex foragers, M. Villet, SAM-HYM-C 000541; Letaba estate, 23° 51'S 30°18'E, Collected ex nest, 09 February 1988, H.G. Robertson, SAM-HYM-C000937; Nylsvley, 24°40'S 28°43'E, ex foragers, 16 April 1987, H.G. Robertson,SAM-HYM-C000481.Zimbabwe: Khami River, 30 November 1913, G. Arnold, SAM-HYM-C004711; Sawmills, 31 October 1919, SAM-HYM-C004712; Victoria Falls, December 1938, Nat. Museum S. Rhodesia [= National Museum of Southern Rhodesia], SAM-HYM-C004715; Melsetter, 03 October 1950, Nat. Museum S. Rhodesia [= National Museum of Southern Rhodesia], SAM-HYM-C 004718; Zambesi valley,7 kmSEofAngwa Bridge, 16°08'S 30°15'E, 18 June -09 September 1988, J. Weyrich, SAM-HYM-C005668; Kenya: Segera Ranch, Laikipia Plateau, 0°15'N 36°50'E, 25 February 1994, collected in Acacia woodland on black cotton soils, J. Pruetz, SAM-HYM-C 017849; Tanzania: Mkomazi Game Reserve, Pangaro, 3°54'37"S 37°47'05"E, 09 December 1995, Foragers on dead wood of Acacia tree. Open woodland, H.G. Robertson, SAM-HYM-C008655.
Taxon Treatment
- Mbanyana, N.; Robertson, H. G.; 2008: Review of the ant genus Nesomyrmex (Hymenoptera: Formicidae: Myrmicinae) in southern Africa., African Natural History 4: 38-38. doi
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