Seasonal abundance of brown burrowing bug Atarsocoris sp. (Hemiptera: Cydnidae), in degraded pasture from Jaguapitã-PR

Authors

  • Émerson Durski Machado de Oliveira Universidade Estadual de Londrina
  • Amarildo Pasini Universidade Estadual de Londrina
  • Inês Cristina Batista Fonseca Universidade Estadual de Londrina

DOI:

https://doi.org/10.5433/1679-0359.2002v23n2p203

Keywords:

Insecta, Degraded pasture, Scaptocoris castanea.

Abstract

The stinkbugs of the family Cydnidae, as Atarsocoris sp., are pests that occurr in many crops, causing significant losses in areas with high populational rates. They can also be associated with some weed plants. The main goal of this research was to evaluate the seasonal distribution of Atarsocoris sp. in degraded grasslands during one year. It was verified that the highest levels of nymphs occurred in January and October, which corresponded to the highest humidity rates, due to the rainy period. Adults of Atarsocoris sp. did not show the same tendency. Nevertheless, the highest and the lowest populational levels occurred one month after the highest and the lowest populational levels of nymphs, specially when the big nymphs (4th and 5th instar) were considered.

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Author Biographies

Émerson Durski Machado de Oliveira, Universidade Estadual de Londrina

Aluno do Programa de Pós-graduação em Agronomia – UEL.

Amarildo Pasini, Universidade Estadual de Londrina

Professor do Departamento Agronomia, UEL, C.P. 6001, CEP 86.051-990, Londrina, PR., Tel. 43 3371-4555.

Inês Cristina Batista Fonseca, Universidade Estadual de Londrina

Professor do Departamento Agronomia, UEL, C.P. 6001, CEP 86.051-990, Londrina, PR., Tel. 43 3371-4555.

Published

2009-04-29

How to Cite

Oliveira, Émerson D. M. de, Pasini, A., & Fonseca, I. C. B. (2009). Seasonal abundance of brown burrowing bug Atarsocoris sp. (Hemiptera: Cydnidae), in degraded pasture from Jaguapitã-PR. Semina: Ciências Agrárias, 23(2), 203–210. https://doi.org/10.5433/1679-0359.2002v23n2p203

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