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On a Trematode, Ityogonimus lorum (Duj. 1845), with Notes on the Occurrence of other Trematode Parasites of Talpa europaea in the Aberystwyth Area

Published online by Cambridge University Press:  06 April 2009

Evan Davies
Evan Davies
Affiliation:
Department of Zoology, University College of Wales, Aberystwyth.
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Extract

Two distinct species have been ascribed to the genus Ityogonimus: I. lorum (Dujardin 1845) and I. talpae (Goeze 1782). The difference between these two species was pointed out by Dujardin in 1845. In the case of I. talpae the ventral sucker is about one-third the diameter of the oral sucker, and is situated behind the anterior termination of the yolk glands. In I. lorum the ventral sucker is larger than the oral and lies completely in front of the yolk glands. Dujardin named the former Distoma ocreatum and the latter I. lorum. Witenberg (1926), in further researches on the species, came to the conclusion that the first-named was identical with Distoma talpae of Goeze (1782), and as a result of his work there now exist two species of Ityogonimus occurring in the mole, namely I. talpae and I. lorum. The synonyms of I. talpae (Goeze 1782) between the dates of 1782 and 1910 are as follows: Distoma talpae (Goeze 1782), Cucullanus talpae Müller 1787, C. ocreatus Shrank 1873, Monostomum ocreatum Zeder 1800, Distoma ocreatum Duj. 1845, D. lorum Melnikow 1865, Dolichosomum lorum Looss 1900, Ityogonimus lorum Looss 1907, and I. lorum Gonder 1910.

Type
Research Article
Information
Parasitology , Volume 24 , Issue 2 , June 1932 , pp. 253 - 259
Copyright
Copyright © Cambridge University Press 1932

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References

Dujardin, F. (1845). Histoire naturelle des Helminthes, pp. 344 and 467. Paris.Google Scholar
Gonder, R. (1910). Ityogonimus lorum (Dujardin). Centrdlbl.f. Bakt. Abt. 1, 53, 160–74.Google Scholar
Looss, A. (1907). Ueber einige zum Teil neue Distomen der europaischen Fauna. Centrdlbl.f. Bakt. 43, 606–17.Google Scholar
Stossich, M. (1892). I distomi mammiferi. Program. d. civ. scuola r. sup. Trieste, p. 17.Google Scholar
Witenberg, G. (1926). Die Trematoden der Familie Cyelocoelidae Kossach 1911, Beitrag zur Kenntnis der Helminthenfauna Russlands. Zool. Jahrb., Abt. f. Syst. 52.Google Scholar