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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744

Abstract

D. SILVEIRA, Rodrigo  and  DOS ANJOS, Norivaldo. Actividad reproductiva de Coelomera lanio (Coleoptera: Chrysomelidae). Rev. biol. trop [online]. 2001, vol.49, n.3-4, pp.1067-1071. ISSN 0034-7744.

The Cecropia spp. (Cecropiaceae) trees are attacked by several insects; among them, Coelomera lanio (Dalman) (Coleoptera: Chrysomelidae). The reproductive behavior of C. lanio was studied under laboratory conditions (12 hour photoperiod, 24.1 ± 0.1 o C and mean relative humidity 67.7 ± 0.6 %), in Viçosa, Minas Gerais, Brazil. The insects were reared in cages and in Petri dishes and fed leaves of Cecropia pachystachya Trec. Reproductive activity began 5.8 ± 0.2 days after adult emergence and mean copulation time was 2.5 ± 0.1 min. The female began oviposition only after 25.7 ± 0.7 days. Each female laid a mean of 4.7 ± 0.4 times (range 1 - 9). The mean number of eggs per oviposition and female was 129.2 ± 2.4 and 587.4 ± 92.1 respectively, and the time between egg-layings averaged 16.3 ± 0.8 days

Keywords : Cecropia; beetle; reproduction; Galerucinae; reprodutive behavior.

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