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Revista Brasileira de Entomologia
Article . 2011
Data sources: DOAJ
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Spatial distribution of a spherical gall (Hymenoptera, Eulophidae) on Caryocar brasiliense (Caryocaraceae) Distribuição espacial da galha esférica (Hymenoptera, Eulophidae) em Caryocar brasiliense (Caryocaraceae)

Authors: Germano Leão Demolin Leite; Vinicius de Abreu D'Ávila; Vinicius Matheus Cerqueira; Aline Fonseca do Nascimento; G. Wilson Fernandes;

Spatial distribution of a spherical gall (Hymenoptera, Eulophidae) on Caryocar brasiliense (Caryocaraceae) Distribuição espacial da galha esférica (Hymenoptera, Eulophidae) em Caryocar brasiliense (Caryocaraceae)

Abstract

We obtained the first data on spatial distribution of a spherical galling insect (Hymenoptera, Eulophidae) at the Caryocar brasiliense Camb. (Caryocaraceae) tree level. This work was developed in two pastures in Montes Claros, Minas Gerais State, Brazil. The areas studied were: pasture 1 (in activity) and pasture 2 (abandoned pasture = savanna in recovery). We evaluated the distribution of spherical galls in: foliage orientation (slope), among leaves (border and interior of the tree crown), among leaflets (right, central, left), distal, median, and proximal as well as border, central area, and adjacent to the mid leaf vein of the leaflet, and difference between areas in 10 infested trees per area. The smaller number of spherical gall/leaflet was observed in pasture 1 than in pasture 2. More spherical galls were found on the northern in pasture 1, but in the pasture 2, the lower spherical galls were observed on the northeast than other slopes. The average number of spherical galls did not differ statistically among the three leaflets of C. brasiliense in pasture 2. However, in pasture 1, we observed highest number of spherical galls in the central leaflet. More spherical galls were found in the border than interior of the tree crown. The average number of spherical galls did not differ statistically among the longitudinal region on leaflet of C. brasiliense. The spherical gall insect preferred to colonize the leaf margin than the central portion or near mid vein on transversal regions on a leaflet.Foi descrito, pela primeira vez, a distribuição espacial da galha esférica (Hymenoptera, Eulophidae) em árvores de Caryocar brasiliense Camb. (Caryocaraceae). Este trabalho foi desenvolvido em duas pastagens em Montes Claros, Estado de Minas Gerais, Brasil. As áreas estudadas foram: pastagem 1 (em atividade) e pastagem 2 (pastagem abandonada = cerrado em recuperação). Foi avaliada a distribuição de galhas esféricas em relação a: orientação das folhas no dossel, entre folhas (na borda ou no interior da copa da árvore), entre folíolos (direito, central, esquerdo), regiões distal, mediano, e proximal bem como na margem, área central e próximo à nervura central dos folíolos, e a diferença entre pastagens em 10 árvores infestadas por área. O menor número de galhas esféricas/folíolo foi observado na pastagem 1 do que na pastagem 2. Mais galhas esféricas foram encontradas na face norte em pastagem 1, mas na pastagem 2, o menor número destas galhas foi observado nesta face (norte). O número médio de galhas esféricas não diferiu estatisticamente entre os folíolos de C. brasiliense na pastagem 2. Entretanto, na pastagem 1, foi observado maior número de galhas esféricas no folíolo central. Mais galhas esféricas foram encontradas na borda do que no interior da copa das árvores. O número médio de galhas esféricas não diferiu estatisticamente entre as regiões longitudinais dos folíolos de C. brasiliense. Entretanto, esse inseto galhador preferiu colonizar a margem dos folíolos à parte central ou próximo da nervura central dos folíolos.

Keywords

galling insects, QL1-991, distribuição de inseto, Cerrado, inseto galhador, insect distribution, Zoology, pequi

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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