Helionothrips errans (Thysanoptera: Thripidae): a new threat to native orchids in Brazil

Authors

  • Delio Endres Júnior Programa de Pós-Graduação em Qualidade Ambiental da Universidade Feevale, Novo Hamburgo, RS, Brazil
  • Márcio H. Sasamori Programa de Pós-Graduação em Qualidade Ambiental da Universidade Feevale, Novo Hamburgo, RS, Brazil
  • Adriano Cavalleri Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, São Lourenço do Sul, RS, Brazil
  • Annette Droste Programa de Pós-Graduação em Qualidade Ambiental da Universidade Feevale, Novo Hamburgo, RS, Brazil

Keywords:

reintroduction, leaf damage, Orchidaceae, Cymbidium, thrips

Abstract

Helionothrips errans (Williams) (Thysanoptera: Thripidae) is reported for the first time in the Neotropics. This thrips breeds exclusively on Orchidaceae (Asparagales) leaves and has previously been found in Australia, USA, Europe, and southwestern Asia. We observed H. errans damaging the leaves of reintroduced Cattleya intermedia Graham ex Hook. plantlets, and attacked individuals showed reduction in the height of the aerial portion and in the average number of leaves per individual.

 

Sumário

Helionothrips errans (Williams) (Thysanoptera: Thripidae) é registrado pela primeira vez para os Neotrópicos. A espécie se alimenta exclusivamente em folhas de Orchidaceae (Asparagales) e já foi encontrada para Austrália, EUA, Europa e sudoeste asiático. Nós observamos H. errans danificando folhas de plântulas reintroduzidas de Cattleya intermedia Graham ex Hook. e indivíduos atacados mostraram uma redução na altura da porção aérea e no número de folhas por indivíduo.

 

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Published

2015-09-30

Issue

Vol. 98, No. 4 (December 2015)

Section

Scientific Notes

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