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A new dracunculus species (Nematoda: Dracunculoidea) in neotropical otters (Lontra longicaudis) from Argentina: morphological and molecular characterization
- Source :
- International Journal for Parasitology: Parasites and Wildlife, Vol 22, Iss , Pp 234-242 (2023)
- Publication Year :
- 2023
- Publisher :
- Elsevier, 2023.
-
Abstract
- A new species of Dracunculus is described in wild neotropical otters, Lontra longicaudis, occurring in Corrientes, Argentina, based on morphological and molecular characteristics. Worms were located in the subcutaneous tissue from two of five investigated otters. Dracunculus jaguape n. sp. is differentiated from the 14 species of Dracunculus described from mammals and reptiles by the prominent dorsal and ventral papillae on the head; deirids posterior to nerve ring; male with long needlelike spicules and presence of gubernaculum; and long first stage larva. Phylogenetic analysis using the 18S rRNA positioned Dracunculus jaguape n. sp. in an anterior position to the rest of Dracunculus sequences available and COI positioned it in a separated clade sister to Dracunculus lutrae sequences. This is the first report on the presence of this nematode in Lontra longicaudis in Argentina.
- Subjects :
- Argentina
Dracunculus
Lontra longicaudis
Nematode
Zoology
QL1-991
Subjects
Details
- Language :
- English
- ISSN :
- 22132244
- Volume :
- 22
- Issue :
- 234-242
- Database :
- Directory of Open Access Journals
- Journal :
- International Journal for Parasitology: Parasites and Wildlife
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.51d5ce39032a4782abb14b99c8d32219
- Document Type :
- article
- Full Text :
- https://doi.org/10.1016/j.ijppaw.2023.11.002