Cosmocercella phyllomedusae Baker & Vaucher 1983

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Main Authors: González, M. A., Villegas Ojeda, M. A., Caraballo, J. N., Ailán Choke, L. G., Hamann, M. I., Duré, M. I., Gómez, V. I., González, C. E.
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author González, M. A.
Villegas Ojeda, M. A.
Caraballo, J. N.
Ailán Choke, L. G.
Hamann, M. I.
Duré, M. I.
Gómez, V. I.
González, C. E.
author_facet González, M. A.
Villegas Ojeda, M. A.
Caraballo, J. N.
Ailán Choke, L. G.
Hamann, M. I.
Duré, M. I.
Gómez, V. I.
González, C. E.
contents <p><b><i>Cosmocercella phyllomedusae</i> Baker & Vaucher, 1983 (Fig. 6, A–E)</b></p><p>S it e of i n fe c t i on: large intestine.</p><p>Ho s t, l o c a l it y, an d c ol l e c t i on d at e: <i>P. azureus</i>, Corrientes, Nov. 2008.</p><p>Vou c h e r m at e r i a l: CECOAL 08112503 (5 females, 5 males).</p><p>C omments: This species was described with specimens collected from <i>P. azureus</i> (= <i>Phyllomedusa hypochondrialis</i>) in Paraguay (Baker & Vaucher, 1983). This is unique among the species of <i>Cosmocercella</i> due to the following characteristics precloacal papillae: four large unpaired vesiculated papillae, markedly large rosette precloacal papillae surrounded by broad areas of cuticular punctations, and small rosette papillae. In addition, it features three adcloacal papillae, one medial unpaired papilla, and a pair on both sides of the anterior cloacal lip. The tail has a pair of prominent subventral papillae surrounded by a raised rosette of bosses. Females lack somatic papillae (Baker & Vaucher, 1983).</p><p>The life cycle of nematodes belonging to this genus remains unknown. Probably, like other cosmocercids, it has a direct life cycle (Anderson, 2000). Further research is needed to determine whether infection occurs through penetration of the L3 stage or ingestion of eggs.</p><p>Bursey et al. (2001) reported this species from <i>Pithecopus palliates</i> (Peters, 1873) (= <i>Phyllomedusa palliata</i>), <i>Callimedusa tomopterna</i> (Cope, 1868) (= <i>Phyllomedusa tomopterna</i>), and from <i>Phyllomedusa vaillantii</i> Boulenger, 1882 in Peru. Three species of this genus have been described up to the moment from Neotropical Realm, <i>C. anothecae</i> Baker & Adamson, 1977, <i>C. phyllomedusae</i> and <i>C. minor</i> (Freitas & Dobbin, 1961) Baker & Vaucher, 1983; of them, only the last one has been found in Argentine amphibians (González & Hamann, 2012 b). We provide the first record of <i>C. phyllomedusae</i> from Argentina.</p>
format Recurso digital
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institution Zenodo
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publishDate 2025
publisher Zenodo
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spellingShingle Cosmocercella phyllomedusae Baker & Vaucher 1983
González, M. A.
Villegas Ojeda, M. A.
Caraballo, J. N.
Ailán Choke, L. G.
Hamann, M. I.
Duré, M. I.
Gómez, V. I.
González, C. E.
Biodiversity
Taxonomy
Animalia
Nematoda
Chromadorea
Rhabditida
Cosmocercidae
Cosmocercella
Cosmocercella phyllomedusae
<p><b><i>Cosmocercella phyllomedusae</i> Baker & Vaucher, 1983 (Fig. 6, A–E)</b></p><p>S it e of i n fe c t i on: large intestine.</p><p>Ho s t, l o c a l it y, an d c ol l e c t i on d at e: <i>P. azureus</i>, Corrientes, Nov. 2008.</p><p>Vou c h e r m at e r i a l: CECOAL 08112503 (5 females, 5 males).</p><p>C omments: This species was described with specimens collected from <i>P. azureus</i> (= <i>Phyllomedusa hypochondrialis</i>) in Paraguay (Baker & Vaucher, 1983). This is unique among the species of <i>Cosmocercella</i> due to the following characteristics precloacal papillae: four large unpaired vesiculated papillae, markedly large rosette precloacal papillae surrounded by broad areas of cuticular punctations, and small rosette papillae. In addition, it features three adcloacal papillae, one medial unpaired papilla, and a pair on both sides of the anterior cloacal lip. The tail has a pair of prominent subventral papillae surrounded by a raised rosette of bosses. Females lack somatic papillae (Baker & Vaucher, 1983).</p><p>The life cycle of nematodes belonging to this genus remains unknown. Probably, like other cosmocercids, it has a direct life cycle (Anderson, 2000). Further research is needed to determine whether infection occurs through penetration of the L3 stage or ingestion of eggs.</p><p>Bursey et al. (2001) reported this species from <i>Pithecopus palliates</i> (Peters, 1873) (= <i>Phyllomedusa palliata</i>), <i>Callimedusa tomopterna</i> (Cope, 1868) (= <i>Phyllomedusa tomopterna</i>), and from <i>Phyllomedusa vaillantii</i> Boulenger, 1882 in Peru. Three species of this genus have been described up to the moment from Neotropical Realm, <i>C. anothecae</i> Baker & Adamson, 1977, <i>C. phyllomedusae</i> and <i>C. minor</i> (Freitas & Dobbin, 1961) Baker & Vaucher, 1983; of them, only the last one has been found in Argentine amphibians (González & Hamann, 2012 b). We provide the first record of <i>C. phyllomedusae</i> from Argentina.</p>
title Cosmocercella phyllomedusae Baker & Vaucher 1983
topic Biodiversity
Taxonomy
Animalia
Nematoda
Chromadorea
Rhabditida
Cosmocercidae
Cosmocercella
Cosmocercella phyllomedusae
url https://doi.org/10.5281/zenodo.20429300