Hassalstrongylus aduncus (Chandler) Chandler
- Dataset
- A checklist of the helminth parasites of sympatric rodents from two Mayan villages in Yucatán, México
- Rank
- SPECIES
Classification
- kingdom
- Animalia
- phylum
- Nematoda
- class
- Chromadorea
- order
- Rhabditida
- family
- Heligmonellidae
- genus
- Hassalstrongylus
- species
- Hassalstrongylus aduncus
biology_ecology
Hosts: Rattus rattus and Sigmodon toltecus Locality: Xkalakdzonot
description
Prevalence and mean intensity (range): Rattus rattus 1.7 % (2 / 118) and 3 (2 – 4), S. toltecus 94.7 % (18 / 19) and 372.8 (13 – 1037) Specimens deposited: MLP-He 7431, 7442 and CNHE 10713
description
Site of infection: Small intestine
discussion
Comments: The specimens collected in Yucatán presented morphological characteristics in accordance with the original description given by Chandler (1932) for the parasites of S. hispidus and the re-description by Durette- Desset (1972) of parasites from the same host, i. e. 23 cuticular ridges in the synlophe at midbody; subsymmetrical bursa, with two well-developed lateral lobes and small dorsal lobe, bursal pattern type 1 - 4 with ray 2 well separated and divergent from the ray 3; dorsal ray with a thick trunk at the base and forking in the shape of an inverted U; and spicules 302 – 639 long with sigmoid tips. In México, H. aduncus has only been reported from S. hispidus in Hidalgo and Jalisco (García-Prieto et al. 2012). This is the first record of H. aduncus from S. toltecus and from R. rattus in this country.