Oxysomatium brevispiculum n. sp. (Nematoda: Cosmocercidae) from Amphisbaena alba Linnaeus (Squamata, Amphisbaenidae) in the Cerrado Biome from Brazil.
Syst Parasitol
; 101(2): 14, 2024 01 11.
Article
em En
| MEDLINE
| ID: mdl-38206486
ABSTRACT
In the present study, we describe Oxysomatium brevispiculum n. sp. (Ascaridida Cosmocercidae) parasitizing Amphisbaena alba Linnaeus (Squamata Amphisbaenidae) in the municipality of Uberlândia, Cerrado Biome, Minas Gerais, Brazil. Oxysomatium brevispiculum n. sp. differs from its congeners by having shorter spicules and by the number and arrangement of caudal papillae. The males of the new species have a precloacal unpaired papilla and can be easily distinguished from O. caucasicum in which this morphological trait is absent. Oxysomatium brevispiculum n. sp. differs from the other three species of the genus by the number and arrangement of caudal papillae, with 13 pairs + 1 unpaired precloacal papilla, arrangement 8+123, while O. brevicaudatum has 14-16 pairs +1 unpaired papilla, and 7-9+116 arrangement, O. petrolinensis has 16 pairs +1 unpaired papilla, and 8+117 arrangement, and O. dollfusi with 15-16 pairs +1 unpaired papilla, and 8-9+116 arrangement. Oxysomatium brevispiculum n. sp. is the fifth species of this genus, the second species in a Neotropical host, and the first species of this genus described in amphisbaenid hosts. In addition, the present study provides an identification key for the species of this genus.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Ascaridídios
/
Lagartos
Limite:
Animals
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Syst Parasitol
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Holanda