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1

Helminths of Talpa europaea [Insectivora, Talpidae] in Southwestern Europe

100%
Ribas A., Casanova J. C.
Acta Parasitologica
|
2005
|
tom 50
|
nr 2
The helminth fauna of the European mole (Talpa europaea L., 1758) was studied on the basis of 269 host individuals from 39 localities in France and Spain. Twelve helminth species were recorded: two digeneans - Ityogonimus lorum (Dujardin, 1845) (Brachylaimidae) and Nephrotrema truncation (Leuckart, 1842) (Troglotrematidae); one cestode – Multitesticulata filamentosa (Goeze, 1782) (Dilepididae); and 9 nematodes - Capillaria talpae (Siebold, 1850), Eucoleus oesophagicola Sołtys, 1952, Liniscus incrassatus (Diesing, 1851), Trichuris feliui Ribas et Casanova, 2004 (Trichuridae), Parastrongyloides winchesi Morgan, 1928 (Strongyloididae), Porrocaecum spp. larvae (Ascarididae), Spirura talpae (Gmelin, 1790) (Spiruridae), Tricholinstowia linstowi (Travassos, 1918) and T. mornanti Durette-Desset et Vaucher, 1974 (Heligmonellidae). In the general helminth fauna, S. talpae was found the most prevalent species (43.9%) and with the highest infection intensity. Prevalences of l. lorum, L. incrassatus, Porrocaecum spp. and T. mornanti ranged from 9.7 to 17.5% and mean intensities between 1.4 and 2.3. L. capillaris, Porrocaecum spp., S. talpae and T. mornanti are core species in the helminth community of T. europaea. The rest of species are considered satellite. All the species found in males are present in females except E. oesophagicola. No significant differences were found between males and femaks in quantitative parameters. Values of Lefkovitch's index indicate a negative binomial distribution for all species. Correlation between altitude of the biotopes and species richness was not significant. Qualitative and quantitative data were compared with other known helminthological studies of Talpa spp. in Europe.
2

A new whipworm, Trichuris feliui [Nematoda, Trichuridae] from Talpa europaea [Insectivora, Talpidae]

100%
Rabis A., Casanova J. C.
Acta Parasitologica
|
2004
|
tom 49
|
nr 2
Trichuris feliui sp. nov. from the common mole, Talpa europaea (L., 1758), in Spain is described. The new species differs from other Trichuris spp. cited in Soricomorpha. From T. busuluk Polozhentsev, 1935 and T. mettami (Baylis, 1935), T. feliui sp. nov. differs in the morphology of the vulvar region, the spicule tip, the terminal position of the anus in females of T. busuluk, and in metrical features (body length, maximal body width, oesophagus length, ratios of forebody to hindbody length, spicule length and width, width of spicule at the proximal end, length of spicular sheath, egg length and width). The species most similar to T. feliui is T. neomi. The presence of a vulvar appendage in females, two postcloacal papillae in males and the absence of a spicular tube in T. feliui, separate this species from T. neomi. Measurements of body length, maximal body width, oesophagus length, spicule length, spicule width, and spicule width at the proximal end are additional characters that distinguish the two species. From T. muris Schrank, 1788 and T. arvicolae Feliu et al., 2000 found in small mammals in the same site, T. feliui differs in metrical characters. Also, the vulvar appendage is absent in T. muris and T. arvicolae and the spicular tube is present in both species. The presence of T. feliui in T. europaea is discussed from the perspective of helminthological and biogeographical aspects of Talpa spp. and other Soricomorpha.
3

Parasites [viruses, Coccidia and helminths] of the wild rabbit [Oryctolagus cuniculus] introduced to Canary Islands from Iberian Peninsula

71%
Foronda P. R., Figueruelo E. O., Ortega A. R., Abreu N. A., Casanova J. C.
Acta Parasitologica
|
2005
|
tom 50
|
nr 1
The presence of viruses (myxomatosis and haemorrhagic fever), helminth parasites and coccidia were studied in European wild rabbit (Oryctolagus cuniculus) introduced from the Iberian Peninsula to Tenerife Island (Canary Islands). Rabbits were captured between 1998 and 2000 in four geographic zones in Tenerife Island. Blood samples were taken from rabbits before dissection and faeces were obtained from the rectum of the individuals for the purposes of the protozoological study. In sera samples, Elisa test was carried out to detect antibodies for myxomatosis and haemorrhagic fever. Helminths were removed from the digestive tract and sporulated coccidia were obtained in potassium dichromate. Significant differences in the prevalence of the myxomatosis between years, seasons and zones were found. In all zones, there were no statistically significant differences between rabbits infected with haemorrhagic fever. Furthermore, no significant differences in prevalence between years and seasons were observed for the haemorrhagic fever. Five helminth species were found: Taenia pisiformis (larvae), Mosgovoyia ctenoides, Andrya cuniculi, Tricliostrongylus retortaeformis and Passalurus ambiguus. No significant seasonal differences in the prevalence for any helminth species were detected. There were significant differences for the mean intensities of T. retortaeformis between the spring and the autumn 1999 and between the autumn and the winter 1999. Seasonal significant differences in the prevalence for Eimeria spp. were detected. A significant correlation between the myxomatosis and the mean intensity of T. pisiformis was found. Haemorrhagic fever and coccidian prevalence showed no significant relationship. The obtained results on parasites (viruses, coccidia and helminths) relationship in different zones, years and seasons are discussed in light of their transmission in Tenerife Island.
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