natural enemies associated to aphids in peach orchards in araucária, paraná, brazil inimigos naturais associados a afídeos em pomares de pessegueiros em araucária, estado do paraná, brasil

Clicks: 289
ID: 166349
2012
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Abstract
Natural enemies of the Class Insecta are important agents in the balance of aphid populations and an alternative to using insecticides to control these insects. The aim of this study was to identify the species of natural enemies associated with aphids present in peach orchards and observe the efficiency of capturing different sampling methods. The experiment was conducted from July, 2005 to September, 2006 in six peach orchards 'Chimarrita', in Araucária, PR, Brazil. The samples were taken by visual analysis in peach plants and weeds, yellow pan traps, sticky traps and funnels. Predator species were identified: Cryptolaemus montrouzieri, Cycloneda pulchella, Cycloneda sanguinea, Eriopis connexa, Harmonia axyridis, Hippodamia convergens and Scymnus sp. (Coleoptera, Coccinellidae), Allograpta sp., Palpada sp. and Toxomerus sp. (Diptera, Syrphidae) and Chrysoperla sp. (Neuroptera, Chrysopidae) and the parasitoids: Diaretiella rapae, Opius sp. and Praon sp (Braconidae). Examples of Encyrtidae and Eulophidae await identification. Chrysoperla sp. was a less abundant species. There were no statistically significant differences between the different sampling methods tested.
Os inimigos naturais da Classe Insecta são importantes agentes no equilíbrio das populações de afídeos e uma forma alternativa ao uso de inseticidas no controle desses insetos. O objetivo deste estudo foi identificar as espécies de inimigos naturais associados aos afídeos presentes em pomares de pessegueiros, além de verificar a eficiência de captura de diferentes métodos de amostragem. O experimento foi realizado de julho de 2005 a setembro de 2006, em seis pomares de pessegueiros 'Chimarrita' em Araucária-PR, Brasil. As amostragens foram realizadas por meio de: análise visual em plantas de pessegueiros e plantas invasoras; armadilhas amarelas; armadilhas adesivas, e funil. Foram identificados os predadores: Cryptolaemus montrouzieri, Cycloneda pulchella, Cycloneda sanguinea, Eriopis connexa, Harmonia axyridis, Hippodamia convergens, Scymnus sp. (Coleoptera, Coccinellidae), Allograpta sp., Palpada sp., Toxomerus sp. (Diptera, Syrphidae) e Chrysoperla sp. (Neuroptera, Chrysopidae), além dos parasitoides: Diaretiella rapae, Opius sp. e Praon sp. (Braconidae). Exemplares de Encyrtidae e Eulophidae aguardam identificação. Chrysoperla sp. foi a espécie menos abundante. Não foram constatadas diferenças estatísticas significativas entre os diferentes métodos de amostragem testados.
Reference Key
schuber2012braziliannatural Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;JM. Schuber;LB. Monteiro;LM. Almeida;MAC. Zawadneak
Journal international journal of economic and environment geology
Year 2012
DOI
10.1590/S1519-69842012000500010
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842012000500010
Keywords
parasitoids aphids insecta trapssciencebiology (general)zoologybotany

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