Natural enemies
The tri-trophic interactions hypothesis: interactive effects of host plant quality, diet breadth and natural enemies on herbivores.
... of natural enemies on assemblages of coexisting herbivores of differing diet breadths, across gradients of intra- or inter-specific variation in host plant quality ...of natural enemies and ...
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SCIENTIFIC NOTE Natural Enemies and Competitors of Hypothenemus hampei (Ferrari) (Coleoptera: Scolytidae) in Colombia
... the natural enemies and competitors of the Coffee Berry Borer (CBB) Hypothenemus hampei (Ferrari) in the Colombian coffee ...25 natural enemies were recorded, including Beauveria ...of ...
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CROP PROTECTION Silicon Influence on the Tritrophic Interaction: Wheat Plants, the Greenbug Schizaphis graminum (Rondani) (Hemiptera: Aphididae), and Its Natural Enemies, Chrysoperla externa (Hagen) (Neuroptera: Chrysopidae) and Aphidius colemani Viereck
... to natural enemies (Stadler & Mackauer 1996), our results demonstrated that the increase in the degree of resistance of wheat plants to the greenbug, by non-preference mechanisms, does not significantly ...
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Toxicity of insecticides to lepidopteran pests, selectivity to predatory stinkbugs and behavioral aspects of these natural enemies
... this insecticide (Galvan et al. 2006). However, selectivity of spinosad on predators is under discussion because earwigs Doru taeniatum (Dohrn) (Dermaptera: Forficulidae) suffered 86% mortality/intoxication 72 h after ...
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Analyzing spatial patterns linked to the ecology of herbivores and their natural enemies in the soil
... The technical difficulties associated with dynamics of the soil ecosystem have been a major limitation in studying belowground multitrophic interactions. Soil is a complex, tri-phasic medium making the analysis of ...
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MARIGOLD (Tagetes erecta L.) AS AN ATTRACTIVE CROP TO NATURAL ENEMIES IN ONION FIELDS
... to natural enemies, may be a good option to farmers, since they may lead to increased diversity of arthropod species and, consequently, the natural control of pest ...to natural enemies ...
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Faunistic analysis of pest insects and their natural enemies associated with hairy fleabane in soybean crop
... their natural enemies associated with hairy fleabane (Conyza ...common natural enemies were Orius ...For natural enemies species, the population fluctuation depends on the ...
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Dissemination of Aleurocanthus woglumi in citrus plants, its natural enemies and new host plants in the state of Rio de Janeiro, Brazil
... whiteflies, such as Bemisia tabaci Gennadius (ZHANG et al., 2014), including Brazil (DE SANTIS, 1981). However, more studies should be done to assure the E. pergandiella parasitism on the citrus blackfly, due to the ...
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NATURAL ENEMIES OF THE GALL-MAKER Eugeniamyia dispar (DIPTERA, CECIDOMYIIDAE): PREDATORY ANTS AND PARASITOIDS
... Natural enemies of the gall maker Eugeniamyia dispar (Diptera: Cecidomyiidae) were studied on the urban area of Porto Alegre, RS, Brazil from October 1993 to March ...
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Natural enemies associated to aphids in peach orchards in Araucária, Paraná, Brazil
... Natural enemies of the Class Insecta are important agents in the balance of aphid populations and an alternative to using insecticides to control these ...of natural enemies associated with ...
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Chenopodium ambrosioides against pests and natural enemies in
... Works regarding alternative control of insects through vegetable extracts focus on their compatibility with other management tactics, mainly with biological control. However, the answers found in this experiment for low ...
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Egg parasitoid wasps as natural enemies of the neotropical stink bug Dichelops melacanthus
... important natural enemies of stink bugs, and some species of this wasp family are being used in many countries for their biological control, especially the cosmopolitan Trissolcus basalis (Wollaston) and ...
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Survey of natural enemies of the fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), in Cascavel region, PR, Brazil.
... ABSTRACT - A survey of the natural enemies of S. frugiperda larvae was done during the years of 1992/93 and 94/95, in Cascavel region, Parana State. The most frequent parasitoids were Campoletis sp. ...
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Pest control of aphids depends on landscape complexity and natural enemy interactions
... their natural enemies in the course of the growing season (Thies, Roschewitz & Tscharntke, 2005; Bianchi, Booij & Tscharntke, 2006; Holzschuh, Steffan-Dewenter & Tscharntke, ...excluding ...
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BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
... impair the parasitization of A. grandis through biological control programs seeking for the release of both natural enemies. Therefore, the objective of this work was to study the competitive abilities of ...
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Herbivory among habitats on the Neotropical tree Cnidoscolus quercifolius Pohl. in a seasonally deciduous forest
... On a regional scale, tropical forests have a higher rate of leaf losses caused by herbivores than temperate forests. This pattern may have resulted from a greater herbivores biomass in tropical forests and more host ...
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Sul, Santa Catarina and Minas Gerais States, Brazil in
... 1872), Euselasia hygenius occulta Stichel, 1919 and E. eucerus (Lepidoptera: Riodinidae) (Oliveira et al. 2000). Pupal parasitism by a fungus of the genus Pae- cilomyces and by a tachinid fly also occurred. The factors ...
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Moacyr Mascarenhas Motta Miranda
... This is done since characteristics such as format, weight and lack of spots on fruit are important for higher prices of tomatoes. For these reasons, tomato fields are usually sprayed up to three times a week with ...
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Biological Control in Brazil: An overview
... of natural enemies resumed (Table 1) (Parra, ...of natural enemies ac- celerated only after the "Costa Lima" quarantine system was established by Embrapa (Brazilian Agricultural Re- ...
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Efeitos de inseticidas botânicos na taxa instantânea de crescimento populacional de Aphis
... et al., 2003; CLOYD et al., 2009; ESTRELA et al., 2006; ISMAN, 2006; MARTINEZ; VAN EMDEN, 2001). These products, derived from secondary metabolism of plants, are composed of complex mixtures of chemical substances such ...
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