Ixodes (Haemixodes) longiscutatum Boero (new status) and I. (H.) uruguayensis Kohls & Clifford, a new synonym of I-(H.) longiscutatum (Acari : Ixodidae)

Females of Ixodes (Haemixodes) uruguayensis Kohls & Clifford, 1967, a speci es whose adults were unknown until the present, were obtained in the labora tory front engorged nymphs collected on rodents (Scapteromys tumidus and Ox ymycterus nasutus) in the counties of Maldonado and San Jose, Uruguay. Morp hological characters of these females were identical to those given in the description of the female of Ixodes longiscutatum Boero, 1944. I. uruguayen sis is, thus, relegated to a junior subjective synonym of I. longiscutatum. However because of the unique morphological characters of the immature sta ges, the validity of the subgenus Haemixodes Kohls & Clifford, 1967 is not questioned. Therefore, the new status of Ixodes (Haemixodes) uruguayensis K ohls & Clifford, 1967 is Ixodes (Haemixodes) longiscutatum Boero, 1944.