Comparative study of the stridulatory sulcus, buccula and rostrum of the nymphs of Triatoma guazu Lent Wygodzinsky, 1979 and Triatoma jurbergi Carcavallo, Galvão Lent, 1998 by scanning electron microscopy (Hemiptera, Reduviidae)

The ultrastructural morphology of the ventral region of the head (rostrum and buccula) and proesternum (stridulatory sulcus) of nymphs from the 1st to 5th instars of Triatoma guazu Lent & Wygodzinsky, 1979 and Triatoma jurbergi Carcavallo, Galvão & Lent, 1998 was described. Morphological dif...

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Bibliographic Details
Published in:Memórias do Instituto Oswaldo Cruz 2003-01, Vol.98 (3), p.335-344
Main Authors: Silva Maria Beatriz Araújo, Barbosa Helene Santos, Galvão Cleber, Jurberg José, Carcavallo Rodolfo U
Format: Article
Language:English
Subjects:
buccula
Chagas disease vectors
rostrum
stridulatory sulcus
Triatominae
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Summary:The ultrastructural morphology of the ventral region of the head (rostrum and buccula) and proesternum (stridulatory sulcus) of nymphs from the 1st to 5th instars of Triatoma guazu Lent & Wygodzinsky, 1979 and Triatoma jurbergi Carcavallo, Galvão & Lent, 1998 was described. Morphological differences between the two species and of the five nymphal stages development of each species were observed. These structures showed systematic differential characteristics of the studied species and may be used to increase their taxonomic range.
ISSN:0074-0276
1678-8060