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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060


VILLALOBOS, Cristina de; SCHMIDT-RHAESA, Andreas  and  ZANCA, Fernanda. Revision of the genus Beatogordius (Gordiida, Nematomorpha): II. South american species with description of two new species. Mem. Inst. Oswaldo Cruz [online]. 2003, vol.98, n.1, pp.115-128. ISSN 0074-0276.

Seven species of Beatogordius (Nematomorpha) have been reported from South America. A reinvestigation could not reproduce a number of determinations indicated in the literature. B. deshayesi has been a misinterpretation and the status of B. irregularis appears to be very uncertain, because no generic characters could be found. The descriptions of B. alfredi and B. latastei confirm that these species belong to South America only. In B. abaiconus we found adhesive warts anterior of the male cloacal opening. These structures were to date only known from the genus Gordionus. In the posterior end of females from B. alfredi and B. variabilis, short paired rows of bristles were present which had to date only been known from the African species B. equinatus. Two new species, B. funis and B. palustre could be added to the genus.

Keywords : Beatogordius; Nematomorpha; revision; scanning electron microscopy; South America.

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