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Registro Completo |
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
02/09/2011 |
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Data da última atualização: |
23/02/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
LAZZAROTTO, C. M.; LAZZARI, S. M. N.; PENTEADO, S. do R. C. |
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Afiliação: |
UFPR; UFPR; SUSETE DO ROCIO CHIARELLO PENTEADO, CNPF. |
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Título: |
Feeding behavior of two exotic aphid species on their original hosts in a new invaded area. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Neotropical Entomology, v. 40, n. 3, p. 316-321, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
Greenidea ficicola Takahashi and Greenidea psidii van der Goot (Aphididae: Greenideinae) are Asian aphid species newly introduced in Brazil associated with Moraceae and Myrtaceae. The feeding behavior of G. ficicola and G. psidii was investigated on their respective host plants, Ficus benjamina (Moraceae) and Psidium guajava (Myrtaceae), using the Electrical Penetration Graph (EPG). Fifteen females of each aphid species were monitored during 24h using a DC-EPG GIGA-4 monitor. The time spent in phloem phase (waveforms E1 and E2) was 13.6% of the total recording time for G. ficicola and 0.8% for G. psidii. The average time in the pathway phase (waveforms C and pd) represented 50% of the total time for both species. Aphids spent more time in non-penetration and stylet pathway activities than in the phloem phase or actual feeding. The principal component analysis (PCA) showed that the two species formed different groups in relation to EPG parameters, despite some overlapping. The probing patterns with multiple penetrations of short duration in the sieve elements for both species may indicate apparent unsuitability for sustained feeding on their respective host plants. These results suggest that these two exotic species are in the process of adaptation to their host plants in their new environment and/or the plants may present either chemical or physical barriers against these insects. |
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Palavras-Chave: |
Comportamento alimentar. |
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Thesagro: |
Afídeo; Hospedeiro. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01962naa a2200181 a 4500
001 1899551
005 2015-02-23
008 2011 bl uuuu u00u1 u #d
100 1 $aLAZZAROTTO, C. M.
245 $aFeeding behavior of two exotic aphid species on their original hosts in a new invaded area.$h[electronic resource]
260 $c2011
520 $aGreenidea ficicola Takahashi and Greenidea psidii van der Goot (Aphididae: Greenideinae) are Asian aphid species newly introduced in Brazil associated with Moraceae and Myrtaceae. The feeding behavior of G. ficicola and G. psidii was investigated on their respective host plants, Ficus benjamina (Moraceae) and Psidium guajava (Myrtaceae), using the Electrical Penetration Graph (EPG). Fifteen females of each aphid species were monitored during 24h using a DC-EPG GIGA-4 monitor. The time spent in phloem phase (waveforms E1 and E2) was 13.6% of the total recording time for G. ficicola and 0.8% for G. psidii. The average time in the pathway phase (waveforms C and pd) represented 50% of the total time for both species. Aphids spent more time in non-penetration and stylet pathway activities than in the phloem phase or actual feeding. The principal component analysis (PCA) showed that the two species formed different groups in relation to EPG parameters, despite some overlapping. The probing patterns with multiple penetrations of short duration in the sieve elements for both species may indicate apparent unsuitability for sustained feeding on their respective host plants. These results suggest that these two exotic species are in the process of adaptation to their host plants in their new environment and/or the plants may present either chemical or physical barriers against these insects.
650 $aAfídeo
650 $aHospedeiro
653 $aComportamento alimentar
700 1 $aLAZZARI, S. M. N.
700 1 $aPENTEADO, S. do R. C.
773 $tNeotropical Entomology$gv. 40, n. 3, p. 316-321, 2011.
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