Dallasiellus (Dallasiellus) alutaceus Froeschner
(Figs. 3A, 4)
Dallasiellus (Dallasiellus) alutaceus Froeschner, 1960: 598 .
Material examined: 1♂, MG, Viçosa, 20-Jan-1985, M.C. Picanço col., UFRG ; 1♂, Viçosa, 26-May-1985, M.C. Picanço col., UFRG ; 1♀, MS, Camapua, Dec-1967, F. Silverbauer col., MCNZ ; 1♂, SP, Pradópolis, 01-Oct-1976, P.M.S. Botelho col., MCNZ ; 1 specimen, SC, Corupá, 1953, MNRJ; 7♂, RS, Cachoeirinha, 22-Nov-1980, H.A.
Gastal col., MCNZ; 11♂ 9♀, Cachoeirinha, 22-Nov-1980, M.H. Galileo col., MCNZ; 3♀, Cachoeirinha, 04-Dec- 1980, M.E.L. de Souza col., MCNZ; 3♀, Cachoeirinha, 10 to 22-Dec-1980, M.H. Galileo col., MCNZ; 1♀, Canoas, 01-Jul-1962, MCNZ; 1♀, Guaíba, 08-Jan-1974, M.H. Galileo col., MCNZ ; 1♂, Porto Alegre, Jun-1963, MCNZ; 3♀, Porto Alegre, 16-Nov-1973, Cesar Trois col., MCNZ; 30♀, Porto Alegre, Vila Asunção, 27-Feb-1965, L. Buckup col., MCNZ; 1♀, Salto do Jacuí, Horto da CEEE, 17 to 21-Jan-2000, A. Franceschini col., MCNZ ; 2♀, Santa Maria, 30-Sep-1970, MCNZ; 2♂, Santa Maria, 22-Dec-1972, D. Link col., MCNZ; 51♂ 134♀, Santa Maria, 17-Dec-1971, D. Link col., MCNZ .
Distribution: Colombia, Brazil (MG, RJ, MS new rec., SP new rec., SC, RS), Bolivia.
Remarks: The specific name was propsed based on the leathery appearance of the corium (Fig 3A). That characteristic and the apex of the labium not surpassing the middle coxae may separate this species from others similar. First record for RS in Brazil in Link (2003).