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Occurrence and characterization of entomogen galls in plants from natural vegetation areas in Delfinópolis, MG, Brazil

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Author(s): Urso-Guimarães M. V. | Scareli-Santos C. | Bonifácio-Silva A. C.

Journal: Brazilian Journal of Biology
ISSN 1519-6984

Volume: 63;
Issue: 4;
Start page: 705;
Date: 2003;
Original page

Keywords: galls | insect gall maker | cerrado | rocky fields | Brazil

ABSTRACT
In the present work we aimed to register the occurrence of galls, inductors, inquilines, and parasitoids in plants of three natural vegetation areas in Delfinópolis, MG, Brazil. Results obtained showed 22 types of galls collected from leaf, vein leaf, petioles, stem, and inflorescence of nineteen species belonging to fifteen distinct families. Concerning gall morphology, the following were collected: globoid, conicle, discoidal, fusiform, shell-shape, indefinite, and one substituition of an ovary by an immature. As principal inducers were found insects of the families Cecidomyiidae (Diptera), Psyllidae, and Diaspididae (Sternorrhyncha/Hemiptera). As parasitoids the most common are of the Chalcidoidea superfamily (Hymenoptera) and, as occasional inquilines, Polyxenidae (Diplopoda) and Psocodea (Psocoptera). The results of this study contribute to existing of knowledge host-plant diversity and gall-associated insects in rocky fields, cerrado, and gallery forests.
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