Species of Criconema Hofmänner & Menzel, 1914 and Ogma Southern, 1914 occurring in Venezuela, with description of Ogma araguaensis sp. n. (Nematoda: Criconematidae)

Five known species of Criconema Hofmänner & Menzel, 1914 and two of Ogma Southern, 1914 and Ogma araguaensis sp. n. are described from Venezuela. Additional morphometric information is provided on C. californicum (Diab & Jenkins, 1966) Siddiqi, 1986, C. calvum (Raski & Golden, 1966) Raski & Luc, 1985, C. demani Micoletzky, 1925, C. mutabile (Taylor, 1936) Raski & Luc, 1985, C. sphagni Micoletzky, 1925, O. civellae (Steiner, 1949) Raski & Luc, 1987, and O. decalineatum (Chitwood, 1957) Andrássy, 1979. C. californicum, C. calvum, C. sphagni and O. decalineatum constitute new records from Venezuela. O. araguaensis sp. n. resembles O. murray Southern, 1914 and Ogma crenulatum Wouts, Yeates & Loof, 1999 from which it differs in its shorter body and more anterior vulva. Dichotomous identification keys to the species of Criconema and Ogma occurring in Venezuela are provided.