Syphacia sp.

Panti-May, Jesús Alonso, Moguel-Chin, Wilson Isaias, Hernández-Mena, David Iván, Cárdenas-Vargas, Miguel Humberto, Torres-Castro, Marco, García-Prieto, Luis, Digiani, Maria Celina, Hernández-Betancourt, Silvia F. & Vidal-Martínez, Víctor Manuel, 2023, Helminths of small rodents (Heteromyidae and Cricetidae) in the Yucatan Peninsula, Mexico: an integrative taxonomic approach to their inventory, Zootaxa 5357 (2), pp. 205-240 : 224

publication ID

https://doi.org/ 10.11646/zootaxa.5357.2.3

publication LSID

lsid:zoobank.org:pub:A8932459-5A17-4812-8557-B9613DE69CEB

DOI

https://doi.org/10.5281/zenodo.10018384

persistent identifier

https://treatment.plazi.org/id/03D07B6E-FFEF-0E7B-E0CB-88D7FCBDFD42

treatment provided by

Plazi

scientific name

Syphacia sp.
status

 

Syphacia sp. (2)

Site of infection: Caecum and large intestine

Host species: Reithrodontomys gracilis

Localities: Kuncheil cattle ranch (Yucatan)

Specimens deposited: CNHE 12029‒30

Comments: The specimens found in R. gracilis had a cuticle with fine transverse striations, fields between transverse striations with shallow longitudinal depressions; a cephalic plate laterally-elongated in females; deirids present in females; cervical alae poorly developed ( Figure 5H View FIGURE 5 ); lateral alae absent; male spicule 60 long; female tail 315‒550 long; females with not prominent vulva; and eggs 85‒108 long by 25‒ 35 wide ( Figure 5I View FIGURE 5 ). Among the eight species of Syphacia with cervical alae ( Sy. carlitosi , Sy. alata , Sy. obvelata , Sy. peromysci , Sy. samorodini, Sy. p. rauschi, Sy. sigmodoni , and Sy. hodarae ), our specimens can be differentiated from Sy. carlitosi , Sy. alata , Sy. obvelata , Sy. samorodini , and Sy. hodarae by having deirids. In addition, the species from R. gracilis has a longer spicule than that of Sy. peromysci (57‒70), Sy. p. rauschi (56) and Sy. sigmodoni (64). Based on these findings, we consider that our specimens likely represent a new, undescribed Syphacia species.

This is the first helminthological record for R. gracilis .

Kingdom

Animalia

Phylum

Nematoda

Class

Chromadorea

Order

Rhabditida

Family

Oxyuridae

Genus

Syphacia

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