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História de Vida de Três Espécies de Cassidinae (Coleoptera: Chrysomelidae)

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons56570

Adis,  Joachim
Working Group Tropical Ecology, Max Planck Institute for Limnology, Max Planck Institute for Evolutionary Biology, Max Planck Society;

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Zitation

Silva, J. L. (2006). História de Vida de Três Espécies de Cassidinae (Coleoptera: Chrysomelidae). Diploma Thesis, Universidade Federal de Mato Grosso, Cuiabá.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-D943-2
Zusammenfassung
It was studied the biology of Cyrtonata bistigma (Boheman, 1856), Chelymorpha cribraria (Fabricius, 1775) and Charidotella zona (Fabricius, 1801) (Chrysomelidae:Cassidinae), proceeding from aquatic macrophyte Ipomea aquatica Forsskal (Convolvulaceae) at the Marchantaria island (Solimões river, floodplain) near from Manaus, Amazonas, Brazil. These three studied species differed significantly at larval development time, female’s longevity, fecundity, maturity age and length. Analyzing the development time of immature stages, is possible to verify that the eggs incubation period, 1st and 5th stages, and the pupal stage, were the most longer. At the end of immature stages, C. cribraria showed the bigger survival ratio (90%), followed by C. bistigma (71%) and C. zona (66%). The adult sexual ratio emerged in the laboratory was 1.3♂: 1.0 ♀ to C. bistigma, 1.0♂: 1.4♀ to C. cribraria and 1.1♂: 1.0♀ to C. zona. There was not significant variance to larval development time (C. bistigma: t=0,829; p=0,409; n=99; C. cribraria: t=1,611; p=0,110; n=126; C. zona: t=0,133; p=0,894, n=166) and adult longevity (C. bistigma: t=0,646; p=0,521; n=60; C. cribraria: t=0,493; p=0,624; n=60; C. zona: t=0,246; p=0,806; n=60) between males and females to these species. The generation time was to C. bistigma 36.3 days, C. cribraria 31.9 days, and, to C. zona 37.2 days. C. bistigma reached the bigger value in net reproductive ratio (Ro=109.8), followed by C. cribraria (Ro=89.6) and C. zona (Ro=22.4). The intrinsic rate of increase were r=0.13, r=0.14 and r=0.08 to C. bistigma, C. cribraria and C. zona, respectively. At feeding tests over 8 aquatics macrophytes from floodplain and I. batatas from land, the adults of the three species survived only in I. aquatica and I. batatas. C. bistigma and C. zona displayed a bigger survival at I. aquatica than at I. batatas, suggesting its feed acceptability only at host plant inside the natural habitat.