First record of Chalcodemus bicolor (Coleoptera: Curculionidae) enemies in South America

Authors

  • P. Emilio Cedeño Laboratório de Manejo Integrado de Insetos Florestais/Casa dos Cupins, Departamento de Entomologia, Universidade Federal de Viçosa–UFV, 36570-900 Viçosa, Minas Gerais, Brazil Universidad Técnica Estatal de Quevedo, Av. Quito Km 1.5 vía Santo Domingo de los Tsáchilas, Quevedo, Los Ríos, Ecuador. ZIP. 73
  • N. Anjos Laboratório de Manejo Integrado de Insetos Florestais/Casa dos Cupins, Departamento de Entomologia, Universidade Federal de Viçosa–UFV, 36570-900 Viçosa, Minas Gerais, Brazil
  • V. A. Costa Instituto Biológico/APTA, 13092-543, Campinas, SP-Brasil

Keywords:

forest entomology, eucalypt pruner, biological control, Euderus, Eurydinoteloides

Abstract

Summary

Chalcodemus bicolor Fiedler (Coleoptera: Curculionidae) is the most recent pest in Brazilian Eucalyptus (Myrtaceae) plantations. Sampling in 2011 for parasitoids of this weevil recovered 4 Hymenoptera species, 3 in the genus Euderus (Eulophidae), comprising 98.4% of specimens, and Eurydinoteloides sp. (Pteromalidae). This is the first report of natural enemies of C. bicolor.

 

Sumario

Chalcodemus bicolor Fiedler (Coleoptera: Curculionidae) es la más reciente plaga en las plantaciones de Eucalyptus (Myrtaceae) en Brasil. Este gorgojo poda las ramas principales y laterales de los eucaliptos para poner sus huevos. Un muestreo en 2011 evaluó la incidencia de parásitos este gorgojo. Incidencia de géneros de parásitos fueron evaluados. Se observó que 58,29% de los cortes (o ramas cortadas) contenía enemigos naturales del podador-del-eucalipto. Entre ellos, tres especies del género Euderus (Hymenoptera: Eulophidae) comprendido 98,46% de los parásitos; otros eran una especie del género Eurydinoteloides Girault (Hymenoptera: Pteromalidae). Este es el primer reporte sobre la presencia de enemigos natural de C. bicolor. 

 

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Published

2017-04-16

Issue

Vol. 100, No. 1 (March 2017)

Section

Scientific Notes

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