First report of filarial nematodes in free-living pitheciid primates

David Fernandez Conga, Pedro Mayor, Elane Guerreiro Giese, Jeannie Nascimento dos Santos

Research output: Contribution to journalArticleResearch

4 Citations (Scopus)


© 2019, Springer Nature B.V. Although little studied, infections with nematodes of the Onchocercidae Leiper, 1911, predominated by the genera Dipetalonema Diesing, 1861 and Mansonella Faust, 1929, are frequent in wild primates and human populations in the Neotropical forest areas. This study reports natural infections with Dipetalonema freitasi Bain, Diagne & Muller, 1987 and D. gracile (Rudolphi, 1809) in two free-living species of pitheciid primates, extending the known geographical distribution of these species to the forest of the Peruvian Amazon. Adult worms were recovered from the thoracic and abdominal cavities of two species of monkeys, Pithecia monachus monachus (É. Geoffroy Saint-Hilaire) and Cacajao calvus ucayalii (Thomas) (Primates: Pitheciidae), collected along the Yavari-Mirin River basin and analysed via light and scanning electron microscopy. Both host species represent new host records for D. freitasi and D. gracile. Morphometric data are also presented for the sampled filarial worms in addition to morphological details obtained through light and electron microscopy examination of D. freitasi specimens.
Original languageEnglish
Pages (from-to)257-264
JournalSystematic Parasitology
Issue number2
Publication statusPublished - 4 Mar 2019


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