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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
16/03/2016 |
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Data da última atualização: |
16/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ALVES, T. J. S.; SILVA-TORRES, C. S. A.; WANDERLEY-TEIXEIRA, V.; TEIXEIRA, A. A. C.; TORRES, J. B.; LIMA, T. A.; RAMALHO, F. de S. |
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Afiliação: |
THIAGO J. S. ALVES, UFRPE; CHRISTIAN S. A. SILVA-TORRES, UFRPE; VALÉRIA WANDERLEY-TEIXEIRA, UFRPE; ÁLVARO A. C. TEIXEIRA, UFRPE; JORGE B. TORRES, UFRPE; TARDELLY DE ANDRADE LIMA, ESTAGIARIO-CNPA; FRANCISCO DE SOUZA RAMALHO, CNPA. |
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Título: |
Behavioral studies of the parasitoid Bracon vulgaris ashmead (Hymenoptera: Braconidae). |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Journal of Insect Behavior, v. 28, n. 5, p. 604-617, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
Bracon vulgaris is a larval ectoparasitoid of the boll weevil, Anthonomus grandis, a key cotton pest We investigated the influence of parasitoid age, photoperiod and host availability on B. vulgaris parasitism. Five- and 10-day-old parasitoids were exposed to A. grandis densities of three, six, 12 and 24 larvae per female. Five-day-old females showed higher parasitism rates (F = 21.55, P < 0.0001), with a positive increase in parasitism rate up to 12 larvae, parasitizing an average (±SE) of 1.3 (±0.12), 3.4 (±0.35) and 4.4 (±0.45) larvae (at the densities of 3, 6 and 12 larvae, respectively), dropping to 1.4 (±0.17) when 24 larvae were offered. Next, the period of most parasitism activity during the photophase was determined by exposing five-dayold B. vulgaris females to different durations of light exposure (1, 3, 6, 8 and 10 h) after 12 h darkness. Results showed that the shortest time to host location occurred 8 h after light exposure, when parasitoids were most active searching for the host. A sequence of seven behavioral acts leading to successful parasitism was identified and the transitions between successive behavioral acts were quantified and depicted in an ethogram. The longest duration act was oviposition (or host acceptance), a complex behavior with several distinct phases. |
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Palavras-Chave: |
Bracon vulgaris; Ectoparasitoid; Parasitism behavior. |
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Thesagro: |
Anthonomus grandis; Himenoptero. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/141278/1/Behavioral-studies-of-the-parasitoid-Bracon-vulgaris-....pdf
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Marc: |
LEADER 02074naa a2200253 a 4500
001 2041123
005 2016-03-16
008 2015 bl uuuu u00u1 u #d
100 1 $aALVES, T. J. S.
245 $aBehavioral studies of the parasitoid Bracon vulgaris ashmead (Hymenoptera$bBraconidae).$h[electronic resource]
260 $c2015
520 $aBracon vulgaris is a larval ectoparasitoid of the boll weevil, Anthonomus grandis, a key cotton pest We investigated the influence of parasitoid age, photoperiod and host availability on B. vulgaris parasitism. Five- and 10-day-old parasitoids were exposed to A. grandis densities of three, six, 12 and 24 larvae per female. Five-day-old females showed higher parasitism rates (F = 21.55, P < 0.0001), with a positive increase in parasitism rate up to 12 larvae, parasitizing an average (±SE) of 1.3 (±0.12), 3.4 (±0.35) and 4.4 (±0.45) larvae (at the densities of 3, 6 and 12 larvae, respectively), dropping to 1.4 (±0.17) when 24 larvae were offered. Next, the period of most parasitism activity during the photophase was determined by exposing five-dayold B. vulgaris females to different durations of light exposure (1, 3, 6, 8 and 10 h) after 12 h darkness. Results showed that the shortest time to host location occurred 8 h after light exposure, when parasitoids were most active searching for the host. A sequence of seven behavioral acts leading to successful parasitism was identified and the transitions between successive behavioral acts were quantified and depicted in an ethogram. The longest duration act was oviposition (or host acceptance), a complex behavior with several distinct phases.
650 $aAnthonomus grandis
650 $aHimenoptero
653 $aBracon vulgaris
653 $aEctoparasitoid
653 $aParasitism behavior
700 1 $aSILVA-TORRES, C. S. A.
700 1 $aWANDERLEY-TEIXEIRA, V.
700 1 $aTEIXEIRA, A. A. C.
700 1 $aTORRES, J. B.
700 1 $aLIMA, T. A.
700 1 $aRAMALHO, F. de S.
773 $tJournal of Insect Behavior$gv. 28, n. 5, p. 604-617, 2015.
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Embrapa Algodão (CNPA) |
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