Simulium (Anasolen) dentulosum Roubard, 1915

Mustapha, M., Jarvis, W. & Post, R. J., 2004, The Simuliidae (Diptera) of the Republic of São Tomé and Príncipe, including the description of a new species, African Invertebrates 45, pp. 143-156 : 152-153

Simulium (Anasolen) dentulosum Roubard, 1915

Simulium dentulosum Roubard, 1915 (original description [ Uganda], ^); Pomeroy 1916 (original description of S. gilvipes Pomeroy [ Cameroon], synonym, ơ, ^, pupa); Freeman & de Meillon 1953 (ơ, ^,

pupa); Crosskey 1960 a (larva); Crosskey & Howard 1997 (country distribution); dos Santos

Grácio 1999 (first record São Tomé).

Material seen:

SÃO TOMÉ ISLAND: 27 larvae, site 1, 14.xi.1998, RJP (ST&P) ; 24 larvae, 4 pupae, site 2, 14.xi.1998, RJP (ST&P); 14 larvae, site 3, 10.xi.1998, RJP (ST&P); 2 pupae, site 5, 10.xi.1998, RJP (ST&P); 4 larvae, site 7, 12.xi.1998, RJP (ST&P); 12 larvae, 1 pupa, site 8, 12.ix.1998, RJP (ST&P); 10 larvae, site 10, 12.xi.1998, RJP ( BMNH) ; 41 larvae, site 10, 12.xi.1998, RJP (ST&P); 2 larvae, site 11, 11.xi.1998, RJP (ST&P). PRÍNCIPE ISLAND: 10 larvae, 3 pupae, site 1, 18.xi.1998, RJP ( BMNH) ; 33 larvae, 10 pupae, site 1, 18.xi.1998, RJP (ST&P); 2 larvae, 3 pupae, site 2, 18.xi.1998, RJP (ST&P); 1 larva, site 3, 17.xi.1998, RJP (ST&P); 33 larvae, 9 pupae, site 4, 17.xi.1998, RJP ( BMNH) ; 84 larvae, 16 pupae, site 4, 17.xi.1998, RJP (ST&P); 11 larvae, site 5, 17.xi.1998, RJP (ST&P); 4 larvae, site 6, 16.xi.1998, RJP (ST&P); 10 larvae, site 7, 16.xi.1998, RJP (ST&P); 17 larvae, site 8, 17.xi.1998, RJP (ST&P); 25 larvae, 10 pupae, site 9, 19.xi.1998, RJP (ST&P); 15 larvae, 1 pupa, site 10, 19, xi.1998, RJP (ST&P); 11 larvae, 1 pupa, site 11, 19, xi.1998, RJP ( BMNH) ; 29 larvae, 8 pupae, site 11, 19, xi.1998, RJP (ST&P); 33 larvae, 4 pupae, site 12, 19.xi.1998, RJP (ST&P); 18 larvae, site 13, 17.xi.1998, M. Pinheiro de Melo ( BMNH) .

Remarks: Simulium dentulosum was found at all altitudes in both large and small rocky cascading streams. It was the only species found on Príncipe, and dominated in the west of São Tomé island, where these sorts of streams are common.