Calomicrolaimus rugatus n. gen., n.sp. (Desmodoridae, Nematodes) from a sandy beach in Colombia

Abstract

Se describe Calomicrolaimus rugatus gen. N., SP. N. (Microlaiminae, Desmodoridae) de una playa arenosa de la costa Atlántica colombiana. El nuevo género presenta tres características especiales: Dimorfismo sexual especial de los Anfidios, machos con cerdas cervicales especiales atrás de la cabeza y una prominencia ventral de cada anillo corporal en la región preanal.

Calomicrolaimus rugatus gen.. n., sp. n. Microlaiminae, Desmodoridae) from a sandy beach on the Atlantic coast of Colombia is described. The new genus prossesses three outstanding features: The male amphids are smaller than tthe female ones and have a rodlike corpus gelatum; the males have conspicuous cervical setae, and they have special ventral thickenings of the body annules in the prteanal region.