A new species of nematoda parasite of the cerambicid eucalyptus longhorned borer from Argentina

Abstract

Abstract Artigasia indigena n. sp. is characterized by the cuticle thin, annulated and with spines arranged in regular longitudinal rows from the first ring to the base of medial bulb. The first ring is differentiated with eight spines, the second ring is bigger and without spines, and then a series of small rings with spines come up to the base of medial bulb. Lateral alae absent, stoma short with four thickening cuticle like teeth, excretory pore posterior situated at the beginning of the intestine, V = 67 %, eggs oval with smooth shell, male without spicule, and genital papillae arranged with one pair of preanal papillae and one pair of postanal papillae.