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- Title
TWO NEW SPECIES OF NEMATODES (CEPHALOBIDA: CHAMBERSIELLIDAE) FROM MOSS FROM NORTH AND SOUTH AMERICA.
- Authors
Del Prado, Cid
- Abstract
Two new species of the family Chambersiellidae Thorne, 1937 were collected in tropical forest (Ecuador) and temperate forest (México) environments. Geraldius galapagoensis sp.n. is recognized by the head being separated from the body by a conspicuous constriction, the distance from the anterior end to the base of the oesophagus (141-207μm), the short isthmus (32-49 μm long), the vulva on a prominent vulval cone in the gravid females and the presence of a pair of vulval glands. The vulva is covered with a gelatinous-like material. The male is similar to the female, with a single testis extending anteriorly, not reflexed. Rectal glands present. Tail curved ventrally; tail terminuses dorsally hooked and slightly bifurcate. Pre-anal and post-anal papillae present. Two slightly curved spicules and conspicuous gubernaculum. Diastolaimus mexicanus sp.n. is characterized by the distance from the anterior end to the base of the oesophagus (189-236 μm), isthmus length (60-92 μm) and tail lengths of females and males (70-83 and 61-82 μm, respectively), and the presence of clearly bifurcate ends with hook-like mucros on tails of both females and males. The shape of the gubernaculum is also characteristic.
- Subjects
GALAPAGOS Islands; NEMATODE anatomy; MORPHOMETRICS; ANIMAL morphology; ANIMAL classification; ANIMAL species; ISLAND ecology
- Publication
Nematropica, 2012, Vol 42, Issue 1, p108
- ISSN
0099-5444
- Publication type
Article