Amblyomma boeroi n. sp. (Acari: Ixodidae), a parasite of the Chacoan peccary Catagonus wagneri (Rusconi) (Artiodactyla: Tayassuidae) in Argentina |
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Authors: | Santiago Nava Atilio J Mangold Mariano Mastropaolo José M Venzal Elena B Oscherov and Alberto A Guglielmone |
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Institution: | (1) Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Agropecuaria Rafaela, CC 22, CP 2300 Rafaela, Santa Fe, Argentina;(2) Departamento de Parasitología Veterinaria, Facultad de Veterinaria, Universidad de la República, Regional Norte - Sede Salto, Rivera 1350, CP 50000 Salto, Uruguay;(3) Cátedra de Biología de los Parásitos, Facultad de Ciencias Exactas y Naturales y Agrimensura, Universidad Nacional del Noreste, Corrientes, Argentina |
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Abstract: | All parasitic stages of Amblyomma boeroi n. sp. (Acari: Ixodidae) are described here from Catagonus wagneri (Rusconi) in Argentina. The diagnostic characters for the male are a combination of orbited eyes, a 2/2 dental formula, coxa
IV considerably larger than coxae I–III and with a long, sickle-shaped, medially directed spur arising from its internal margin,
a scutum which is light grey to very pale ivory in colour, and the absence of a postanal groove. The diagnostic characters
for the females are a combination of orbited eyes, a central pair and two marginal pairs of short, coarse notal setae, a 2/2
dental formula, and the absence of a postanal groove. The nymph has short palpi and a 2/2 dental formula arranged in 6 rows,
its eyes are convex and orbited, and it has no postanal groove. The dorsally rectangular basis capituli of the larva, its bulging eyes and slightly sinuous posterior scutal margin all serve to distinguish it from the larva of
other species of the genus. The principal host for all parasitic stages is C. wagneri (Artiodactyla: Tayassuidae). Phylogenetically A. boeroi appears to represent an independent lineage within Amblyomma Koch, 1844. |
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