Vexillata vexillata (Hall)

Panti-May, Jesús Alonso, Digiani, María Celina, Palomo-Arjona, Eduardo Emir, Gurubel-González, Yessica Margely, Navone, Graciela T., Machain-Williams, Carlos, Hernández-Betancourt, Silvia F. & Robles, María Del Rosario, 2018, A checklist of the helminth parasites of sympatric rodents from two Mayan villages in Yucatán, México, Zootaxa 4403 (3), pp. 495-512 : 502

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Vexillata vexillata (Hall)


Vexillata vexillata (Hall)  

(= Heligmosomum vexillatum Hall   )

Site of infection: Small intestine

Host: Heteromys gaumeri  

Locality: Xkalakdzonot

Prevalence and mean intensity (range): 100% (8/8) and 358.4 (27–1689)

Specimens deposited: MLP-He 7430 and CNHE 10705

Comments: The characteristics observed in the specimens examined from Yucatán were in accordance with the original description given by Hall (1916) of parasites from Thomomys talpoides fossor (Allen)   and the redescriptions by Sanabria Espinosa et al. (1996) and Durette-Desset (1978) from other host species, i.e. synlophe with well-developed careen; 12 cuticular ridges in the synlophe at midbody; subsymmetrical bursa with a pattern of type 2-2-1; dorsal ray with two small and asymmetric accessory branches starting about its mid-length; rays 8 arising from base of dorsal ray and similar in length to it; bifid extremities of dorsal ray; simple genital cone; and simple spicules 301–406 long.  

Among the 14 species of Vexillata   described to date, 9 have been described from Heteromyidae   , 4 from Geomyidae   , and 1 from Leporidae   (Falcón-Ordaz & García-Prieto 2005; Falcón-Ordaz et al. 2006; Digiani et al. 2007). In México, V. vexillata   has been reported from H. pictus   in Chiapas ( Caballero y Caballero 1958), H. irroratus   and P. difficilis   in Hidalgo (Sanabria Espinosa et al. 1996), and H. irroratus   in Morelos (Ortíz 1999). This is the first record of V. vexillata   from H. gaumeri   and for Yucatán.