Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae
A new species of Oswaldofilaria is described from Tropidurus torquatus (Tropiduridae: Iguania); its prevalence at the rocky study area at Juiz de Fora, Minas Gerais, Brazil, was approximately 30% and its mean intensity 3.13 ± 2.51. Oswaldofilaria chabaudi n. sp. is distinct from the thirteen Oswaldo...
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doaj-c4e94a460c7e4eb3a0f2aa0dd2f0a3892021-03-02T09:40:54ZengEDP SciencesParasite1252-607X1776-10422010-12-0117430731810.1051/parasite/2010174307parasite2010174p307Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on OswaldofilariinaePereira F.B.Souza Lima S.Bain O.A new species of Oswaldofilaria is described from Tropidurus torquatus (Tropiduridae: Iguania); its prevalence at the rocky study area at Juiz de Fora, Minas Gerais, Brazil, was approximately 30% and its mean intensity 3.13 ± 2.51. Oswaldofilaria chabaudi n. sp. is distinct from the thirteen Oswaldofilaria species known in Australia, Africa and South-America in having the following characteristics: oesophagus medium-sized, left spicule 1 mm long and high spicular ratio (about 5), tail extremity ornated in both sexes with a bifurcated projection, and tooth-like structures near phasmids in the female. A long left spicule and high spicular ratio are convergent derived characters also found in a parasite of Australian crocodilians, O. kanbaya, and in several species of the closely related genus Befilaria, such as the Central American B. puertoricensis from polychrotids. Oswaldofilaria in South America is represented by eight species. Within these, a primitive group that is parasitic in Iguanidae, Polychrotidae (Iguania) and Crocodylidae and that possesses a long oesophagus is recognised, together with two distinct derived lines: three species with numerous, aligned precloacal papillae, parasitic in Teiidae (Laterata) and Scincidae (Scincomorpha), and O. chabaudi n. sp., in which this character is absent. Tropidurids (Tropiduris and Plica) had previously been reported in the host range of two oswaldofilarine genera, Oswaldofilaria and Piratuba, and their parasites assigned to known species described from other groups of lizards.http://dx.doi.org/10.1051/parasite/2010174307Oswaldofilaria chabaudi n. sp.FilarioideaOnchocercidaeOswaldofilariinaeTropidurus torquatusSquamataTropiduridaeMinas GeraisBrazil |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Pereira F.B. Souza Lima S. Bain O. |
spellingShingle |
Pereira F.B. Souza Lima S. Bain O. Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae Parasite Oswaldofilaria chabaudi n. sp. Filarioidea Onchocercidae Oswaldofilariinae Tropidurus torquatus Squamata Tropiduridae Minas Gerais Brazil |
author_facet |
Pereira F.B. Souza Lima S. Bain O. |
author_sort |
Pereira F.B. |
title |
Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae |
title_short |
Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae |
title_full |
Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae |
title_fullStr |
Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae |
title_full_unstemmed |
Oswaldofilaria chabaudi n. sp. (Nematoda: Onchocercidae) from a South American tropidurid lizard (Squamata: Iguania) with an update on Oswaldofilariinae |
title_sort |
oswaldofilaria chabaudi n. sp. (nematoda: onchocercidae) from a south american tropidurid lizard (squamata: iguania) with an update on oswaldofilariinae |
publisher |
EDP Sciences |
series |
Parasite |
issn |
1252-607X 1776-1042 |
publishDate |
2010-12-01 |
description |
A new species of Oswaldofilaria is described from Tropidurus torquatus (Tropiduridae: Iguania); its prevalence at the rocky study area at Juiz de Fora, Minas Gerais, Brazil, was approximately 30% and its mean intensity 3.13 ± 2.51. Oswaldofilaria chabaudi n. sp. is distinct from the thirteen Oswaldofilaria species known in Australia, Africa and South-America in having the following characteristics: oesophagus medium-sized, left spicule 1 mm long and high spicular ratio (about 5), tail extremity ornated in both sexes with a bifurcated projection, and tooth-like structures near phasmids in the female. A long left spicule and high spicular ratio are convergent derived characters also found in a parasite of Australian crocodilians, O. kanbaya, and in several species of the closely related genus Befilaria, such as the Central American B. puertoricensis from polychrotids. Oswaldofilaria in South America is represented by eight species. Within these, a primitive group that is parasitic in Iguanidae, Polychrotidae (Iguania) and Crocodylidae and that possesses a long oesophagus is recognised, together with two distinct derived lines: three species with numerous, aligned precloacal papillae, parasitic in Teiidae (Laterata) and Scincidae (Scincomorpha), and O. chabaudi n. sp., in which this character is absent. Tropidurids (Tropiduris and Plica) had previously been reported in the host range of two oswaldofilarine genera, Oswaldofilaria and Piratuba, and their parasites assigned to known species described from other groups of lizards. |
topic |
Oswaldofilaria chabaudi n. sp. Filarioidea Onchocercidae Oswaldofilariinae Tropidurus torquatus Squamata Tropiduridae Minas Gerais Brazil |
url |
http://dx.doi.org/10.1051/parasite/2010174307 |
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