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Registro Completo |
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Biblioteca(s): |
Embrapa Agroindústria Tropical; Embrapa Soja. |
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Data corrente: |
14/04/1992 |
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Data da última atualização: |
24/08/1993 |
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Autoria: |
DEBACH, P.; FLESCHNER, C. A.; DIETRICK, E. J. |
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Título: |
A biological check method for evaluating the effectiveness of entomophagous insects. |
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Ano de publicação: |
1951 |
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Fonte/Imprenta: |
Journal of Economic Entomology, v.44, n.5, p.763-766, 1951. |
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Idioma: |
Inglês |
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Conteúdo: |
SUMMARY - Various methods of evaluating the effectiveness of natural enemies in the control of their hosts are reviewed. The use of honeydew-feeding ants to suppress natural enemy populations is suggested as a new method of evaluating the efficacy of natural enemies in the control of their host populations. Comparisons are made between pest and natural enemy populations on natural-control (ant-free) trees and on biological check (ant-infested) trees. Differences between the two indicate in part the effectiveness of the natural enemies. The degree of accuracy of this method depends upon the intensity of ant activity. Data show that ants may cause increases in diaspine scale and mite populations, in addition to their well-known effects of increasing populations of honeydew-secreting Homoptera. Ants are shown to depress populations of both parasites and predators of the California red scale. Certain species of natural enemies are shown to be affected more adversely than others by ants. |
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Palavras-Chave: |
Entomofago; Entomophagous; Inimigos naturais; Insetos; Insetos - controle; Parasitas; Predadores. |
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Thesagro: |
Controle Biológico; Controle Químico; Ecologia; Entomologia. |
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Thesaurus Nal: |
biological control; entomology; insects. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01838naa a2200313 a 4500
001 1417743
005 1993-08-24
008 1951 bl --- 0-- u #d
100 1 $aDEBACH, P.
245 $aA biological check method for evaluating the effectiveness of entomophagous insects.
260 $c1951
520 $aSUMMARY - Various methods of evaluating the effectiveness of natural enemies in the control of their hosts are reviewed. The use of honeydew-feeding ants to suppress natural enemy populations is suggested as a new method of evaluating the efficacy of natural enemies in the control of their host populations. Comparisons are made between pest and natural enemy populations on natural-control (ant-free) trees and on biological check (ant-infested) trees. Differences between the two indicate in part the effectiveness of the natural enemies. The degree of accuracy of this method depends upon the intensity of ant activity. Data show that ants may cause increases in diaspine scale and mite populations, in addition to their well-known effects of increasing populations of honeydew-secreting Homoptera. Ants are shown to depress populations of both parasites and predators of the California red scale. Certain species of natural enemies are shown to be affected more adversely than others by ants.
650 $abiological control
650 $aentomology
650 $ainsects
650 $aControle Biológico
650 $aControle Químico
650 $aEcologia
650 $aEntomologia
653 $aEntomofago
653 $aEntomophagous
653 $aInimigos naturais
653 $aInsetos
653 $aInsetos - controle
653 $aParasitas
653 $aPredadores
700 1 $aFLESCHNER, C. A.
700 1 $aDIETRICK, E. J.
773 $tJournal of Economic Entomology$gv.44, n.5, p.763-766, 1951.
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Registro original: |
Embrapa Agroindústria Tropical (CNPAT) |
