THREE NEW SPECIES OF NEMATODES FROM LOS TUXTLAS RESERVE AREA, VERACRUZ, MEXICO. ORDER TYLENCHIDA, CRICONEMATIDAE (NEMATA)

Cid del Prado Vera Ignacio

Abstract


Cid del Prado Vera Ignacio. 2009. Three new species of nematodes from Los Tuxtlas reserve area, Veracruz, Mexico. Order Tylenchida, Criconematidae (Nemata). Nematropica 39:187-197. Three species of criconematid nematodes were found in tropical forest soils and corn fields in Los Tuxtlas, State of Veracruz, México. The new species of are described: Criconemoides rafaeloi sp.n., characterized by a lip region with four large submedian lobes connected dorsally and ventrally and a vulva that does not open widely; Mesocriconema lamothei sp.n., characterized by small separate rounded submedian lobes and by a slightly prominent labial disc, a vulva that is open with two projections on the anterior lip and a slightly curved vagina; and Neolobocriconema argumedoi sp.n., which is characterized by ornamentation of all the body annules with acute small teeth, by the number of serrate body annules (43-45), the small body size 0.41-0.55 mm, the presence of a single crenate annuli in the cephalic region and the conical tail with acute terminal lobes.

Keywords


Nematodes; Criconemoides; Mesocriconema; Neolobocriconema; taxonomy; submedian lobes; vulva

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