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Ann Parasitol Hum Comp. 1983;58(4):403-4.

[Enterobius gregorii (Oxyuridae, Nematoda), a new human parasite].

[Article in French]


A review of the Oxyurids parasites of Primates shows that most of the species described in the Malagasy Lemurs and in the Old World Monkeys are not single species, but couples of sister-species. The sister-species of each couple may be differentiated sometimes only by the characteristics of male spicule (less evoluated species), sometimes by other characteristics (cephalic structures, length of oesophagus, etc., in more evoluated species). In the first instance only males can be identified, in the second instance females may also be identified. In the Human parasites, which are very closely related to those of the Old World Monkeys, two types of spicules were described and we consider that each type belongs to a different species: Enterobius vermicularis (L., 1758) for the larger spicule (100 to 122 micrometers), and Enterobius gregorii n. sp. for the shorter spicule (70 to 80 micrometers).

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