2010
DOI: 10.1590/s0103-84782010005000069
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Primeiro relato de Stiretrus decastigmus no Brasil predando Microtheca ochroloma

Abstract: Primeiro relato de Stiretrus decastigmus no Brasil predando Microtheca ochrolomaO crisomelídeo Microtheca ochroloma Stal é um inseto-praga de Brassicaceae que causa desfolhamento nas plantas durante as fases larval e adulta (FASULO, 2005). As perdas econômicas ocasionadas por esse inseto podem inviabilizar a produção e a comercialização de cultivos, como o de couve-chinesa (Brassica chinensis L.) (DEQUECH et al., 2008).O controle de M. ochroloma é realizado por meio de produtos químicos, visto que outros métod… Show more

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Cited by 6 publications
(4 citation statements)
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“…The natural enemy of Microtheca species, Stiretrus decastigmus (Herrich-Schaeffer) (Hemiptera: Pentatomidae), has been recorded in the state of Rio Grande do Sul, southern Brazil, preying on larvae and adults of M. ochroloma (Poncio et al, 2010) and M. semilaevis Stal (Sturza et al, 2012). However, little is known of the biology of this predator, a promising agent for biological control programs targeting this pest.…”
Section: Introductionmentioning
confidence: 99%
“…The natural enemy of Microtheca species, Stiretrus decastigmus (Herrich-Schaeffer) (Hemiptera: Pentatomidae), has been recorded in the state of Rio Grande do Sul, southern Brazil, preying on larvae and adults of M. ochroloma (Poncio et al, 2010) and M. semilaevis Stal (Sturza et al, 2012). However, little is known of the biology of this predator, a promising agent for biological control programs targeting this pest.…”
Section: Introductionmentioning
confidence: 99%
“…(Coleoptera: Chrysomelidae) are insect pests primarily related to Brassicaceae crops and its occurrence is reported from South America, where they are indigenous, to southeastern United States, especially Microtheca ochroloma Stal, 1860 and Microtheca semilaevis Stal, 1860 (Manrique et al, 2010). In Brazil these species are found in different Brassicaceae crops (Menezes Júnior et al, 2005;Farinha et al, 2009;Poncio et al, 2010) and their presence commonly results in severe defoliation, due to the feeding habits of both larvae and adults, which are based on consumption of leaf tissue. This makes Microtheca spp.…”
Section: Introductionmentioning
confidence: 99%
“…This makes Microtheca spp. species very important pests, especially to organic farmers who have few options to control infestations satisfactorily, including M. ochroloma (Poncio et al, 2010) and M. semilaevis. Consequently considerable losses in production are verified, especially because the low value of the products on the market due to visual depreciation.…”
Section: Introductionmentioning
confidence: 99%
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