2002
DOI: 10.1603/0022-2585-39.5.705
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Comparative Ultrastructural Analysis of the Antennae ofTriatoma guazuandTriatoma jurbergi(Hemiptera: Reduviidae) During the Nymphal Stage Development

Abstract: The specific concept of two triatominae species of epidemiological importance in the Mato Grosso Region (Brasil), Triatoma guazu Lent & Wygodzinsky, 1979 and Triatoma jurbergi Carcavallo, Galvão & Lent, 1998, the antenniferous tubercle and the four antennal segments of nymphs from the first to fifth instar were morphologically compared by scanning electron microscopy. The main differences observed were that the antenniferous tubercle in T. guazu did not present a smaller tubercle in the base of the larger tube… Show more

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Cited by 12 publications
(2 citation statements)
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“…In conclusion, the ultrastructure of buccula, rostrum and the stridulatory sulcus presented in this study, associated to the morphologic characteristics of the antennae described previously by Silva et al (2002), the exochorion of eggs and the morphometry of three characteristics of the eggs and of every nymphal stage (Silva et al 2000 present different patterns of systematic value that allowed the taxonomic diagnosis of T. guazu and T. jurbergi nymph's. These data can be used as a tool to identify the two species both found in peridomiciliary habitats and one, T. jurbergi, found naturally infected with T. cruzi.…”
Section: Discussionsupporting
confidence: 71%
“…In conclusion, the ultrastructure of buccula, rostrum and the stridulatory sulcus presented in this study, associated to the morphologic characteristics of the antennae described previously by Silva et al (2002), the exochorion of eggs and the morphometry of three characteristics of the eggs and of every nymphal stage (Silva et al 2000 present different patterns of systematic value that allowed the taxonomic diagnosis of T. guazu and T. jurbergi nymph's. These data can be used as a tool to identify the two species both found in peridomiciliary habitats and one, T. jurbergi, found naturally infected with T. cruzi.…”
Section: Discussionsupporting
confidence: 71%
“…The current classification of the Triatominae into five tribes and 15 genera is largely based on morphological characters, including chromatic ones (Lent and Wygodzinsky, 1979). The most commonly used characters are head and wing shape (Dujardin et al, 1999b;dos Santos et al, 2003;Dumonteil et al, 2007), but a number of other characters have been used such as the structure of the male genitalia (Obara et al, 2007), the egg (dos Santos et al, 2009), antenna (Silva et al, 2002;Catala et al, 2005) and rostrum (Silva et al, 2003). Within the triatomines, for example, the monophylly of the Rhodiniini tribe has been supported by apical antenna insertion, body forms, post-ocular callosities, male genital characteristics, egg surface architecture and salivary gland protein composition (Tartarotti et al, 2006).…”
Section: Systematics and Phylogenymentioning
confidence: 99%