Dolichoderinae, Forel, 1878

Mcgavin, George, Mcgavin & Mcwilliam, Nicholas, 1907, Ants found on acacia of the genus Vachellia and other savannah trees at Mkomazi Game Reserve, Tanzania with the description of a new species Hymenoptera: Formicidae, Belgian Journal of Entomology 99, pp. 1-47 : 22-25

Subfamily Dolichoderinae

Tapinoma danitschi Forel, 1915 . A minute soft-bodied ant, TL 1.5 mm. First report from Tanzania; type location Kenya, Fundu Island. From on L. schweinfurthii (Tree 3/66). Exact morphological match for the type CASENT0903067, although perhaps darker in general colour, although Forel gave the type colour as black, legs and antennae dark brown, other appendages lighter to reddish-yellow. ARNOLD (1926) who collected other specimens wrote “Varying from dark brown to sepia”.

Tapinoma demissum Forel, 1913 ; syntype CASENT0903071; type location Zimbabwe; first report from Tanzania, elsewhere reported from Senegal (DIAMÉ et al., 2017) . Nests in soil. A single finding of one specimen on D. cinerea (Tree 2/34).

Tapinoma minimum Mayr 1895 . A minute soft-bodied ant, TL 1.2-1.4 mm. Type location Tanzania, Tanga; CASENT0909777. Also known from South Africa (SANTSCHI, 1914, ARNOLD, 1926) and Somalia (MENOZZI, 1930). Four findings, two on V. nilotica (Trees 5/55/ & 5/63), 1 & 4 specimens; one on V. zanzibarica (Tree 5/28), 1 specimen; and, two on C. molle (Trees 2/18 & 2/31) single specimens.

Tapinoma modestum Santschi, 1932 ; CASENT0911574. A minute soft-bodied ant, TL 1.4-1.5 mm. First report from Tanzania; type location Zimbabwe. Three findings; one on V. nilotica (Tree 5/56), 2 specimens; two on L. schweinfurthii (Trees 3/66 & 3/67) many & 23 specimens. Tapinoma schultzei (Forel, 1910) ; CASENT0909809, type location Botswana, with several other reports from Southern Africa. A very small soft-bodied ant, TL 2.0 mm. Known from Tanzania but the following appear to be darker than the type. ARNOLD (1915), however gave the colour as “black or brownish.” Like all Tapinoma the specimens crushed as they dried out. Three findings; one on V. zanzibarica (Tree 5/17), 3 specimens; one on C. molle (Tree 3/65), 1 specimen; and one on T. brownii (Tree 3/68).

Technomyrmex vapidus (Bolton, 2007); type CASENT0903060. A small ant, TL 2.4-2.5 mm. Type location Kenya; on L. schweinfurthii (Tree 3/66) 4 specimens .

Technomyrmex pallipes (Smith, 1876) ; syntype CASENT0102320. A small ant, TL 2.4-2.5 mm. Type location Mauritius; reported from Kenya; first report from Tanzania; on L. schweinfurthii (Tree 3/66); on C. molle (Tree 5/28); and, a single dealate queen on D. cinerea (Tree 2/37).