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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.17 no.3 Curitiba Sept. 2000

http://dx.doi.org/10.1590/S0101-81752000000300016 

Partição de recursos florais de espécies de Sida Linnaeus e Malvastrum coromandelianum (Linnaeus) Garcke (Malvaceae) entre Cephalurgus anomalus Moure & Oliveira (Hymenoptera, Andrenidae, Panurginae) e Melissoptila cnecomala (Moure) (Hymenoptera, Apidae, Eucerini)

 

Floral resource partitioning on Sida Linnaeus and Malvastrum coromandelianum (Linnaeus) Garcke (Malvaceae) between Cephalurgus anomalus Moure & Oliveira (Hymenoptera, Andrenidae, Panurginae) and Melissoptila cnecomala (Moure) (Hymenoptera, Apidae, Eucerini)

 

 

Elder Ferreira MoratoI; Lúcio Antônio de O. CamposII

IPós-Graduação em Ecologia Conservação e Manejo de Vida Silvestre, ICB, Universidade Federal de Minas Gerais. 30161-970 Belo Horizonte, Minas Gerais, Brasil. E-mail: morato@dedalus.lcc.ufmg.br
IIDepartamento de Biologia Geral, Universidade Federal de Viçosa. 36570-000 Viçosa, Minas Gerais, Brasil. E-mail: lcampos@mail.ufv.br

 

 


ABSTRACT

The flowering pattern and the visiting bee species on Sida spp. and Malvastrum coromandelianum (L.) Garcke were studied in a restricted area at the campus of the Universidade Federal de Viçosa, Minas Gerais, Brazil. There were differences among plant species but not among individuals in relation to the flowering time along the day and the time at which the flowers were visited by bees. Melissoptila cnecomala (Moure, 1944) and Cephalurgus anomalus Moure & Oliveira, 1962 were the most frequent visitors. Both species foraged on flowers for nectar and pollen. C. anomalus visited mainly plants with anthesis in the morning and M. cnecomala plants with anthesis in the afternoon. This fact sugests that those species of bees may be showing contrasting foraging strategies and can share the floral resources of Sida and Malvastrum. The males of C. anomalus mate on flowers of Sida and exhibit a behavior known as rendevouz pollination.

Key words: Malvaceae, Sida, Malvastrum, bees, resource partitioning


 

 

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AGRADECIMENTOS. Ao Pe Jesus Santiago Moure (Departamento de Zoologia, UFPR) pela identificação das abelhas. A Olinda L. Bueno (Fundação Zoobotânica do Rio Grande do Sul) pela identificação das plantas. A Helena C. de Morais, Fernando A. da Silveira, José Ricardo Cure, Gabriel A. de Melo e Evaldo F. Vilela pelas discussões, sugestões e críticas. A Milene Faria Vieira e Gilmar Valente (Departamento de Botânica da UFV) pelo empenho no preparo do material botânico para identificação. A Arlete A. Soares e Marco A. Costa pelo auxilio nas coletas de abelhas.

 

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Recebido em 27.V.1999; aceito em 25.VIII.2000.

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