engleski

Two new species of the genus Metacyatholaimus (Nematoda, Cyatholaimidae)from the Adriatic Sea with a key to the species

Two new species of the genus Metacyatholaimus are described. Metacyatholaimus adriaticus sp. nov. is characterized in males by the absence of pre-cloacal supplements, a reproductive system with indistinct posterior testis, vas deferens without prominent glandular region, spermatocytes round, and spicules with prominent triangular capitulum, and the absence of somatic setae in females. Metacyatholaimus papillatus sp. nov. is characterized in males by the presence of 12-14 pre-cloacal supplements "Type 1" sensu Wieser& Hopper (1964), reproductive system with testes well developed, vas deferens with prominent glandular region, spermatocytes conical, and the presence of somatic setae in females. The genus Metacyatholaimus is discussed ; its diagnosis emended. A key to the species is provided.

Metacyatholaimus adriaticus and papillatus

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