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Endoparasites in Limnonectes magnus (Anura, Dicroglossidae) from Samar Island, Philippines with description of a new species of Aplectana (Nematoda, Cosmocercidae)

Charles R. Bursey, Stephen R. Goldberg, Cameron D. Siler and Rafe M. Brown
From the journal Acta Parasitologica


Aplectana samarensis sp. nov. (Ascaridida, Cosmocercidae) from the intestines of Limnonectes magnus (Anura, Dicroglossidae) is described and illustrated. Aplectana samarensis sp. nov. represents the 53rd species assigned to the genus and the 6th species reported from the Oriental region. It is easily separated from the 5 species previously reported from the region by the presence of a gubernaculum and the distribution pattern of male caudal papillae: A. macintoshii has an irregular pattern, no precloacal papillae in rows; both A. akhrami and A. dubrajpuri lack a gubernaculum; A. duttaphryni has 3 pairs of precloacal papillae forming 2 rows; A. ranae has 7 pairs of precloacal papillae forming 2 rows; A. samarensis sp. nov. has 4 pairs of precloacal papillae in 2 rows. In addition to the new species, individuals of Falcaustra dubia and Pseudoacanthocephalus bufonis as well as cestode plerocercoids were also found.


We thank Christina Pecora for the figures 19. Additionally, we thank the Biodiversity Management Bureau (BMB) of the Philippine Department of Environment and Natural Resources (DENR) for facilitating collecting and export permits necessary for the host species examined in this study; we are particularly grateful to M. Lim, C. Custodio, J. de Leon, A. Tagtag. We thank Jessa Watters (OMNH) for sending us the L. magnus. Fieldwork was conducted under the Memorandum of Agreement with the BMB of the Philippines (2015–2020). Gratuitous Permits to Collect No. 247 and Institutional Animal Care and Use Committee (IACUC) Approval R13–011. Financial support for fieldwork was provided by National Science Foundation, Division of Integrative Organismal Systems (NSF, IOS) 1353683 to CDS.


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Received: 2017-01-26
Revised: 2018-03-09
Accepted: 2018-04-04
Published Online: 2018-07-04
Published in Print: 2018-09-25

© 2018 W. Stefański Institute of Parasitology, PAS

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