Bioecological aspects of Hypocala andremona em cultivares de caquizeiro

The biology of Hypocala andremona (Cramer) on persimmon (Diospyrus kaki L.) leaves of the cultivars Atago and Giombo was studied in laboratory (27 [+ or -] 1[degrees]C, 65 [+ or -] 10% RH, 14 hours photo period) and egg distribution on plants of the cultivar Giombo in a commercial orchard, during th...

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Published in:Acta scientiarum. Agronomy 2011-01, Vol.33 (1), p.33
Main Authors: Hohmann, Celso Luiz, Meneguim, Ana Maria, Lovato, Lidiana
Format: Article
Language:Spanish
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Summary:The biology of Hypocala andremona (Cramer) on persimmon (Diospyrus kaki L.) leaves of the cultivars Atago and Giombo was studied in laboratory (27 [+ or -] 1[degrees]C, 65 [+ or -] 10% RH, 14 hours photo period) and egg distribution on plants of the cultivar Giombo in a commercial orchard, during the 2001/2002 crop season, in Londrina, Parana state. The developmental period of larvae fed on 'Giombo' was longer (17.8 [+ or -] 0.17 days) in comparison to that of larvae fed on 'Atago' (15.8 [+ or -] 0.27 days). In contrast, the duration of the pupal stage of insects raised on 'Giombo' was lower (12.0 [+ or -] 0.29 days) than that of insects reared on 'Atago' (13.3 [+ or -] 0.17 days). The viabilities of larvae were 60.8 and 38.8% for insects reared on 'Giombo' and on 'Atago', respectively. Pupal viability was similar (ca. 93%) between treatments. The duration of the preoviposition and incubation periods of larvae fed on 'Atago' were 4.0 days and 2.1 days, respectively, the fecundity 524.7 eggs, egg viability 77% and adult longevity 12.9 days. No eggs were obtained when H. andremona larvae were reared on 'Giombo' in laboratory. Adults preferred to lay their eggs on leaves located at the top of the persimmon tree canopy. Keywords: Diospyrus sp., biology, oviposition preference. A biologia de Hypocala andremona (Cramer) (Lepidoptera: Noctuidae) foi estudada em folhas das cultivares de caquizeiro (Diospyrus kaki L.) Atago e Giombo em laboratorio (27 [+ or -] 1[degrees]C, 65 [+ or -] 10% UR, 14h fotofase) e a distribuicao de ovos em plantas da cultivar Giombo em pomar comercial, durante o periodo de 2001/2002, em Londrina, Estado do Parana. O periodo de desenvolvimento das lagartas alimentadas com 'Giombo' foi maior (17,8 [+ or -] 0,17 dias) em relacao as alimentadas com 'Atago' (15,8 [+ or -] 0,27 dias). Entretanto, a duracao do estagio de pupa de insetos criados em 'Giombo' foi menor (12,0 [+ or -] 0,29 dias) do que as criadas em 'Atago' (13,3 [+ or -] 0,17 dias). As viabilidades das lagartas foram 60,8 e 38,8% para insetos alimentados em 'Giombo' e 'Atago', respectivamente. A viabilidade das pupas, no entanto, nao foi influenciada pela cultivar; atingindo 93% em ambos os casos. Os periodos de preoviposicao e incubacao de lagartas alimentadas com 'Atago' foram 4,0 dias e 2,1 dias, respectivamente. A fecundidade foi de 524,7 ovos com viabilidade de 77% e a longevidade dos adultos foi de 12,9 dias. Nao foram obtidas posturas de H. andremona criadas em laboratorio
ISSN:1679-9275
1807-8621
DOI:10.4025/actasciagron.v33i1.5860