Natural Enemy
Mostrando 1-12 de 36 artigos, teses e dissertações.
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1. Selectivity of registered pesticides for the corn crop on immature stages of Trichogramma pretiosum (Hymenoptera: Trichogrammatidae)
RESUMO Trichogramma pretiosum Riley, 1879 (Hymenoptera: Trichogrammatidae) é parasitoide de ovos de lepidópteros praga no milho, Zea mays L. (Poaceae), no Brasil. Produtos químicos usados na agricultura podem ser tóxicos para este agente de controle biológico. O objetivo do presente estudo foi avaliar a longevidade, parasitismo e emergência de T. preti
Ciênc. agrotec.. Publicado em: 20/01/2020
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2. Colletotrichum nymphaeae var. entomophilum var. nov. a natural enemy of the citrus scale insect, Praelongorthezia praelonga (Hemiptera: Ortheziidae)
ABSTRACT: The citrus scale insect Praelongorthezia praelonga (Douglas), a major pest of citrus and other economically important crops, has only two commonly documented natural enemies: an entomopathogenic strain of the fungus Colletotrichum nymphaeae (Pass.) Aa and several parasitoids. The entomopathogenic strain of C. nymphaeae, formerly recognized under th
Sci. agric. (Piracicaba, Braz.). Publicado em: 20/12/2019
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3. Development and morphological characterization of the immature stages of Tetrastichus giffardianus Silvestri (Hymenoptera: Eulophidae)
ABSTRACT The gregarious endoparasitoid Tetrastichus giffardianus Silvestri (Hymenoptera: Eulophidae) is a natural enemy of fruit flies. This parasitoid was previously used to successfully control Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) in Hawaii, USA. Despite its importance in the control of fruit fly pests, little is known about the developmen
Rev. Bras. entomol.. Publicado em: 05/09/2019
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4. Biological control of fruit flies in Brazil
Resumo: As moscas-das-frutas são as principais pragas da fruticultura no Brasil. O seu manejo tem sido realizado predominantemente com uso de inseticidas aplicados por cobertura e/ou na forma de isca-tóxica. Atualmente, a tendência das estratégias de manejo está direcionada à adoção de métodos de controle que causem menor impacto ambiental em grande
Pesq. agropec. bras.. Publicado em: 11/04/2019
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5. Synthesis and Insecticidal Activity of Lactones Derived from Furan-2(5H)-one
Ten 4,7-methanoisobenzofuran-1(3H)-ones were synthesized and their insecticidal activities against the insect pest Diaphania hyalinata were evaluated. The most active substances have been selected from the initial screening to find the dose to kill 50 (LD50) and 90% (LD90) of the melonworm. Time-mortality curves of the three selected formulations at the LD90
J. Braz. Chem. Soc.. Publicado em: 2015-11
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6. Introducing the term 'Biocontrol Plants' for integrated pest management
Studies of interactions between crops, additional plants, pests and beneficial organisms already exist as well as studies of natural enemy preference, dispersal, and abundance. However, these studies focus on tri-trophic interactions from an "arthropod" point of view. We think that in order to optimize crop protection methods we need to understand the effect
Sci. agric. (Piracicaba, Braz.). Publicado em: 2014-02
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7. Enfrentando o inimigo com as suas próprias armas : a presença e a importância das Escrituras na argumentação de Thomas Hobbes / Facing the enemy with their own weapons : the presence and importance of Scriptures in the argumentation of Thomas Hobbes
O objetivo deste trabalho é examinar a interpretação das Escrituras feita por Thomas Hobbes para corroborar sua tese sobre o caráter absoluto do poder civil, especialmente sobre a Igreja. Na época de Hobbes era necessário ao cidadão conhecer as Leis de Deus para discernir se a Lei Civil se opunha a elas ou não, para que não pecasse contra o poder ci
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 26/09/2012
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8. Influência da agregação larval na história de vida de Ascia monuste orseis (Godart, 1819) (Lepidoptera, Pieridae) / Influence of larval aggregation on life-history traits of Ascia monuste orseis (Godart, 1819) (Lepidoptera, Pieridae)
In insects, the gregarious habit has been shown to improve foraging and defense against predation to both larval and adult stages. Egg clusters could also be beneficial through increased larval hatching. In this study, we tested the hypothesis that egg clusters and larval aggregations of the neotropical butterfly Ascia monuste orseis (Godart, 1819) (Pieridae
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/04/2012
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9. Interação trófica entre Podisus nigrispinus e Supputius cincticeps (Heteroptera: Pentatomidae) / Trophic interaction between Podisus nigrispinus and Supputius cincticeps (Heteroptera: Pentatomidae)
Prey may be more or less consumed by control biologic agents and presents three kinds of interspecific interactions, (1) synergism, increase of mortality of prey comparing to each natural enemy independently, when the foraging of one species facilitates the capture of pest by another natural enemies. (2) Total mortality of the pest to natural enemies equals
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/07/2011
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10. Biologia e manejo de Chalcodermus bicolor Fiedler (Col.: Curculionidae: Molytinae), em plantios de eucalipto / Biology and management of Chalcodermus bicolor Fiedler (Col.: Curculionidae: Molytinae), in eucalypt plantations
This work deals to the biology and pest management aspects of the “Eucalypt-trimmer”, a new leaf beetle in the Brazilian eucalypt plantations. Works were developed under lab conditions (Temperature = 25.29 0.20C; RH = 78.26 0.94%; photophase: scotophase = 10:14 hours). Insects were collected from cloned eucalypt in the Mucuri and Caravelas counti
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 27/07/2011
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11. Effects of Food Deprivation on the Development of Coleomegilla maculata (De Geer) (Coleoptera: Coccinellidae)
The lady beetle Coleomegilla maculata (De Geer) is a natural enemy of several insect pests and feeds on pollen and nectar to survive periods when prey is scarce. The effect of the feeding interval on the development, survival, fecundity, and longevity of C. maculata was determined. Newly hatched larvae of C. maculata were reared individually and fed with egg
Neotropical Entomology. Publicado em: 2011-02
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12. Pachycondyla obscuricornis as natural enemy of the spittlebug Deois flavopicta.
The objective of this work was to evaluate the potential control of the ant Pachycondyla obscuricornis Emery (Hymenoptera: Formicidae) on populations of nymphs of the spittlebug, Deois flavopicta Stal (Hemiptera: Cercopidae). Foraging behavior and prey consumption rate of P. obscuricornis were evaluated. Field data revealed that P. obscuricornis does not sho
Pesquisa Agropecuária Brasileira. Publicado em: 2011