The present study presents the description of Oochoristica beveridgei n. sp. (Linstowiinae Fuhrmann, 1907). The species was found in the small intestine of Tarentola parvicarinata Joger (Gekkonidae) in East Senegal (West Africa). Among known species of Oochoristica Lühe, 1898, O. beveridgei is most similar to Oochoristica junkea (Johri, 1950) Schmidt, 1986, found in Gekko gecko (Linnaeus) from India. A common feature of both species is the location of the cirrus sac, which lies anterior to the poral part of the ovary. The new species differs from O. junkea in having a higher number of testes, different testes arrangement, wider cirrus sac, and a different shape of ovary. The position of the cirrus sac in O. beveridgei is also similar to that found in Oochoristica gallica Dollfus, 1954, whose host is Psammodromus hispanicus Fitzinger (Lacertidae) from Morocco. The new species differs from O. gallica in that it possesses fewer testes and that these testes have a different arrangement. The location of the cirrus sac in O. beveridgei is also similar to that seen in Oochoristica bivitellolobata Loewen, 1940, whose host is Cnemidophorus sexlineatus (Linnaeus) (Teiidae) from the United States. The latter species has a higher number of testes, with only half of the cirrus sac located anterior to the poral part of the ovary, and possesses a divided vitellarium.

Department of Botany and Zoology Faculty of Science Masaryk University Kotlářská 2 611 37 Brno Czech Republic

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