Biological Insect Pest Suppression

Coppel, H. C.; Mertins, James W.

doi:10.1007/978-3-642-66487-8

Cited by 132 publications

(42 citation statements)

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“…Em programas de manejo integrado de pragas, estudos de tabela de vida de fertilidade são de grande importância para a compreensão da dinâmica populacional de uma espécie, uma vez que permite uma visão integrada das características biológicas de uma população, sob condições ambientais adequadas (Coppel;mertins, 1977 . Os tubos foram tamponados com algodão hidrófugo e mantidos em câmara climatizada à temperatura de 25 ± 1° C, umidade relativa de 70 ± 10% e fotofase de 14h.…”

Section: Em áReas De Várzea Na Região Sul Do Estado Dounclassified

Biologia e tabela de vida de fertilidade de Spodoptera frugiperda (J.E. Smith) em linhagens de milho

et al. 2012

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RESUMOO objetivo deste trabalho foi estudar os aspectos biológicos de Spodoptera frugiperda (J. E. Smith) e elaborar a tabela de vida de fertilidade deste inseto em cinco linhagens de milho provenientes do Programa de Melhoramento de Milho da Embrapa Clima Temperado. Foram determinadas a duração e sobrevivência das fases de ovo, larva, pré-pupa e pupa, peso de pupas, deformações, longevidade, fecundidade e período de pré-oviposição. A linhagem M89611 não permitiu aos insetos realizarem postura. A duração do período de lagarta, pré-pupa, pupa e adultos foram de 10,67, 1,22, 2,13 e 21,33 dias, respectivamente. O peso de pupa para esta linhagem foi de 0,129 e 0,091g para fêmeas e machos, respectivamente. As deformações foram de 25% e a longevidade de 21,3 dias. S. frugiperda aumentou 20,22 vezes a cada geração para a linhagem M89420, com duração média de 37,26 dias e a razão finita de aumento foi de 1,06668. A linhagem M89611 afeta a biologia de S. frugiperda, enquanto que, a linhagem M89287 proporciona maior viabilidade das fases de desenvolvimento e a linhagem M89420 proporciona a maior taxa líquida de reprodução.PALAVRAS-CHAVE: Noctuidae, lagarta-do-cartucho, resistência, inseto-praga. ABSTRACT BIOLOGY AND FERTITLITY LIFE TABLE OF SPODOPTERA FRUGIPERDA (J.E. SMITH) IN STRAINS OF CORN.The aim of this work was to study the biology of Spodoptera frugiperda (J. E. Smith) and to elaborate the fertility life table of the insect in five strains of corn from the Programa de Melhoramento de Milho da Embrapa Clima Temperado, in Brazil. The following variables were determined: duration and survival of the egg, larval, pre-pupal and pupal phases, pupal weight, deformation, longevity, fecundity and duration of pre-oviposition. The strain M89611 did not allow the insects to lay eggs. The duration of the periods of larvae, pre-pupae, pupae and adults was 10.67, 1.22, 2.13 and 21.33 days, respectively. The pupal weight for this strain was 0.129 and 0.091 g for females and males, respectively. The deformations were 25%, and the longevity was 21.3 days. S. frugiperda increased 20.22 times in each generation for the M89420 strain, with an average of 37.26 days, and the finite rate of increase was 1.06668. The strain M89611 affected the biology of S. frugiperda, whereas the strain M89287 provided greater viability of the development stages, while strain M89420 provided the highest net reproductive rates.

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Section: Em áReas De Várzea Na Região Sul Do Estado Dounclassified

Biologia e tabela de vida de fertilidade de Spodoptera frugiperda (J.E. Smith) em linhagens de milho

et al. 2012

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“…Specialist predators have a high degree of prey specificity and are considered appropriate to use to reduce a specific pest population below economic injury level [2]. Historically, the view among biological control practitioners was that generalist predators are less important than specialist predators, but recently the importance of generalist predators has been emphasized [3].…”

Section: Introductionmentioning

confidence: 99%

Untitled

2014

J Plant Biol Soil Health

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Determination of feeding potential and prey acceptance of natural enemies is crucial to assure that natural enemies can control target pest species. This study was conducted to investigate feeding potential and prey acceptance of a generalist predator, Podisus maculiventris (Say) (Hemiptera: Pentatomidae). A series of laboratory experiments were conducted to quantify feeding potential of P. maculiventris by measuring daily feeding amount and to determine prey acceptance by analyzing feeding behavior of P. maculiventris on various types of prey. The result of this study showed that the amount of prey consumption differed significantly (F = 38.48; d.f. = 5, 44; P <0.05) among stages of P. maculiventris. P. maculiventris attempted to attack Halyomorpha halys (Hemiptera: Pentatomidae), but could not sustain effective feeding due to behavioral and chemical defense of the prey. P. maculiventris showed significantly (P < 0.05) less effective feeding on prey with spines or hairs such as Evergestis rimosalis (Lepidoptera: Crambidae) and Hyphantria cunea (Lepidoptera: Arctiidae). Utilization of P. maculiventris for controlling various types of pests for augmentative biological control is discussed in this article.

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“…nectar, pollen or honeydew, while a few of them are predatory (Coppel and Mertins, 1977). Studies have demonstrated lacewings as effective predators of aphids, leaf miners, mites, thrips, whiteflies, eggs of leafhoppers, small caterpillars, citrus psylla, citrus black fly, scales and mealybugs etc.…”

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confidence: 99%