Comparative morphology of mouth parts of Zyginidia pullula, Empoasca vitis, and Graphocephala fennahi (Homoptera, Auchenorrhyncha)

Head and mouth structures of the mesophyllomyzous species Zyginidia pullula (Typhlocybinae), the phloemomyzous Empoasca vitis (Typhlocybinae), and the xylemomyzous Graphocephala fennahi (Cicadellinae) were examined and shown to be very similar. On the other hand, the ratios between the lengths of ma...

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Bibliographic Details
Published in:Bollettino di zoologia 1993-01, Vol.60 (1), p.33-39
Main Authors: Tavella, Luciana, Arzone, Alessandra
Format: Article
Language:English
Subjects:
Biological and medical sciences
Cicadellinae
Empoasca vitis
Fundamental and applied biological sciences. Psychology
Homoptera
Insecta
Invertebrates
Morphology. Histology. Cytology
Plant-sucking insects
Stylet bundles
Typhlocybinae
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Summary:Head and mouth structures of the mesophyllomyzous species Zyginidia pullula (Typhlocybinae), the phloemomyzous Empoasca vitis (Typhlocybinae), and the xylemomyzous Graphocephala fennahi (Cicadellinae) were examined and shown to be very similar. On the other hand, the ratios between the lengths of mandibular and maxillary stylets were closely comparable in the two typhlocybines, but lower than that of the cicadelline, and apparently correlated with the systematic group rather than with the trophic behaviour
ISSN:0373-4137
DOI:10.1080/11250009309355788