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  • Title: Two new species of Nippostrongylinae (Nematoda, Trichostrongylina) parasites of Cricetomys gambianus and Arvicanthis niloticus (Muridae) from Senegal.
    Author: Diouf M, Durette-Desset MC.
    Journal: Parassitologia; 2002 Jun; 44(1-2):97-101. PubMed ID: 12404816.
    Abstract:
    Two new Nippostrongylinae (Heligmosomoidea, Heligmonellidae) originating from Senegal are described. Heligmonina bioccai n. sp., a parasite of Cricetomys gambianus (Cricetomyinae) found in the surroundings of Dakar and Neoheligmonella bai n. sp., a parasite of Arvicanthis niloticus (Murinae) from the Province of Richard Toll. H. bioccai n. sp. is related to H. hybomysi (Durette-Desset, 1966) a parasite of Hybomys univittatus from the Central African Republic by some characteristics of the caudal bursa and of the synlophe. They are the only two species with the same pattern of caudal bursa: type 1-3-1 for the right lobe, 2-3 for the left lobe, and with the same number and disposition of the cuticular ridges at mid-body in the female. The two species are differentiated by the size (three times smaller in H. hybomysi), the ratio of spicule length on body length (7.6% versus 17% in H. hybomysi) and by a different synlophe in male and posterior part of female. N. bai n. sp. is differentiated from the closely related species N. dielmensis Diouf, Bâ and Durette-Desset, 1997, also a parasite of Arvicanthis niloticus from Senegal by rays 8 arising asymmetrically on the dorsal ray and by the deirids situated at the same level as the excretory pore.
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