A new species of Neocosmocercella Baker &amp; Vaucher, 1983 (Nematoda: Cosmocercidae), a parasite of Phyllomedusa vaillantii Boulenger (Anura: Phyllomedusidae) in the Caxiuanã National Forest, eastern Amazon, Brazil

Santos, Ana Nunes dos; Rodrigues, Allan Rodrigo Oliveira; Santos, Jeannie Nascimento dos; González, Carmen; Melo, Francisco Tiago de Vasconcelos

doi:10.1007/s11230-017-9713-9

Cited by 2 publications

(4 citation statements)

References 7 publications

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“…Additionally, according to Baker & Vaucher (1983) and Santos et al (2017), the presence of hexagonal or triangular oral opening, simple or bi-lobed lips, and a well-developed vagina and elongated uterine sac in females are other morphological characters also present in species of Neocosmocercella, allowing us to assign the new species to this genus.…”

Section: Discussionmentioning

confidence: 98%

“…Additionally, females of N. fisherae n. sp. have a uniform body shape, an uterus containing only one egg, a reduced uterine sac whereas females of N. bakeri described by Santos et al (2017) bear 8-10 eggs in utero, the female body is dilated posteriorly and the vagina and uterine sac are more elongated. Regarding the male morphology, N. fisherae n. sp.…”

Section: Discussionmentioning

confidence: 99%

“…Among the genera of the family Cosmocercidae, the genus Neocosmocercella Baker & Vaucher, 1983 was erected to accommodate Neocosmocercella paraguayensis Baker & Vaucher, 1983, a parasite of the large intestine of Pithecopus hypochondrialis (Daudin) from Paraguay. Recently, Santos et al (2017) described the second species of the genus based on material from Phyllomedusa vaillantii (Boulenger) in the Brazilian Amazon and expanded the diagnostic characters for the genus. Thus, until now, anurans of the family Phyllomedusidae (Gu ¨nther) are the only known hosts for the nematodes of this genus.…”

Section: Introductionmentioning

confidence: 99%

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Neocosmocercella fisherae n. sp. (Nematoda: Cosmocercidae), a parasite of the large intestine of Phyllomedusa bicolor (Boddaert) (Anura: Phyllomedusidae) from the Brazilian Amazon

et al. 2017

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Neocosmocercella fisherae n. sp. is the first nematode species found parasitising Phyllomedusa bicolor from the Brazilian Amazon Region. The new species has a triangular oral opening, with bi-lobed lips, and is distinguished from N. bakeri (triangular oral opening with simple lips), and from N. paraguayensis (hexagonal oral opening with bi-lobed lips). Additionally, the new species has ciliated cephalic papillae, which are absent in the other species of the genus. The reduced uterine sac and the presence of a single egg in the uterus in females are the main morphological characters that differentiate the new species from its congeners N. bakeri (8-10 eggs) and N. paraguayensis (10 eggs, based on the allotype). Additionally, the new species differs from the other two species of the genus by morphometric characters such as the size of spicules and gubernaculum in males and the vagina in females. Until now, phyllomedusid anurans are the only known hosts for the nematodes of this genus. The present work describes the third species of the genus and the first species of nematode parasitising P. bicolor.

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Section: Discussionmentioning

confidence: 98%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Neocosmocercella fisherae n. sp. (Nematoda: Cosmocercidae), a parasite of the large intestine of Phyllomedusa bicolor (Boddaert) (Anura: Phyllomedusidae) from the Brazilian Amazon

et al. 2017

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“…Two genera of nematodes, Cosmocercella and Neocosmocercella, were specific to one family of amphibians, Phyllomedusidae, and, so far, have been reported in the HC, the Pantanal and the Amazon [23,146,147]. For a long time, the genus Schrankiana was only reported in leptodactylid amphibians [33,148], but recent studies found species of this genus parasitizing phyllomedusine frogs in the Pantanal [23].…”

Section: Richness Of Nematode Parasites and Geographical Distributionmentioning

confidence: 99%

Nematodes of Amphibians from the South American Chaco: Distribution, Host Specificity and Ecological Aspects

2021

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This is the first review of the nematode parasites of amphibians from Dry Chaco (DC) and Humid Chaco (HC) ecoregions of South America, covering aspects related to their systematics, distribution, host range and ecology, including their life cycles. Of approximately 100 species of amphibians that inhabit these ecoregions, the nematode parasites of 32 species are known. The parasite species consisted of 51 taxa: 27 in HC and 18 in DC. The family Cosmocercidae alone included 18 species. Aplectana hylambatis and Cosmocerca podicipinus showed the widest geographical and host distribution. Leptodactylus bufonius and Rhinella major presented a high number of nematode parasites. The species richness of nematodes was related to the host body sizes and to the strategy to obtain prey. The mean species richness was higher in terrestrial amphibians with intermediate characteristics in the generalist–specialist spectrum in terms of diet, and in amphibians with intermediate characteristics between actively foraging and the “sit-and-wait” approach in terms of searching for prey. The patterns of similarity among amphibian species showed groups linking with their habitats. Nematodes usually have direct life cycles with the infectious form entering the host passively or actively. However, many amphibians are also involved in heteroxenous cycles that develop in the aquatic environment.

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A new species of Neocosmocercella Baker & Vaucher, 1983 (Nematoda: Cosmocercidae), a parasite of Phyllomedusa vaillantii Boulenger (Anura: Phyllomedusidae) in the Caxiuanã National Forest, eastern Amazon, Brazil

Cited by 2 publications

References 7 publications

Neocosmocercella fisherae n. sp. (Nematoda: Cosmocercidae), a parasite of the large intestine of Phyllomedusa bicolor (Boddaert) (Anura: Phyllomedusidae) from the Brazilian Amazon

Neocosmocercella fisherae n. sp. (Nematoda: Cosmocercidae), a parasite of the large intestine of Phyllomedusa bicolor (Boddaert) (Anura: Phyllomedusidae) from the Brazilian Amazon

Nematodes of Amphibians from the South American Chaco: Distribution, Host Specificity and Ecological Aspects

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