Comparison of the external morphology of Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae) ticks from Brazil and Argentina

In the present study the external morphology of semi-engorged Rhipicephalus sanguineus females ticks from Brazil and Argentina were compared by scanning electron microscopy. Many differences were detected among the R. sanguineus collected at the two localities, such as body size, shape of the genita...

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Bibliographic Details
Published in:Veterinary parasitology 2005-04, Vol.129 (1), p.139-147
Main Authors: de Oliveira, Patrícia Rosa, Bechara, Gervásio Henrique, Denardi, Sandra Eloisi, Saito, Kelly Cristina, Nunes, Erika Takagi, Szabó, Matias Pablo Juan, Mathias, Maria Izabel Camargo
Format: Article
Language:English
Subjects:
animal morphology
animal taxonomy
Animals
Argentina
body size
Brazil
engorgement
External morphology
Female
females
geographical variation
Ixodidae
Male
Microscopy, Electron, Scanning - veterinary
morphotaxonomy
pest identification
Rhipicephalus sanguineus
Rhipicephalus sanguineus - anatomy & histology
Rhipicephalus sanguineus - classification
Rhipicephalus sanguineus - ultrastructure
scanning electron microscopy
species diagnosis
ticks
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Summary:In the present study the external morphology of semi-engorged Rhipicephalus sanguineus females ticks from Brazil and Argentina were compared by scanning electron microscopy. Many differences were detected among the R. sanguineus collected at the two localities, such as body size, shape of the genital pore, and morphology of the sensory structures. All these characteristics are fundamental for the diagnosis of species of the genus Rhipicephalus and thus indicate the need for further comparisons and, the taxonomical revision of this species of tick in the Neotropics.
ISSN:0304-4017
1873-2550
DOI:10.1016/j.vetpar.2005.01.001