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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.19 no.3 Curitiba Sept. 2002

https://doi.org/10.1590/S0101-81752002000300021 

Atividades de vôo de Plebeia saiqui (Holmberg) (Hymenoptera, Apidae, Meliponini) durante o período de postura da rainha e em diapausa

 

Flight activities of Plebeia saiqui (Holmberg) (Hymenoptera, Apidae, Meliponini) during the oviposition period and the diapause

 

 

Raquel A. PickI,II; Betina BlochteinI

IFaculdade de Biociências, Pontifícia Universidade Católica do Rio Grande do Sul. Avenida Ipiranga 6681, 90619-900 Porto Alegre, Rio Grande do Sul, Brasil
IIBolsista da CAPES

 

 


ABSTRACT

The activities of four colonies of Plebeia saiqui (Holmberg, 1903), of São Francisco de Paula, Rio Grande do Sul, Brazil, were studied from October, 1998 to September. 1999, comparatively during the oviposition period and the diapause. The construction of the cells was monitored by direct observation of the nests. The duration of the diapause period varied from 76 to 168 days. Monthly, the bees that left and entered were counted for 10 minutes, at each hour, during the complete period of flight activity. Influence of meteorological factors on the activities of bees flight was analyzed through simple and multiple regressions. During the oviposition period was found that solar irradiation, temperature and relative humidity had a significant influence on bees flight activity. However, during the diapausa only solar irradiation and temperature played significant influence on bees flight activity. The wind never influenced in a significant way on the flight of the bees.

Key words: Plebeia, stingless bees, diapause, flight activity, meteorological factors


 

 

Texto completo disponível apenas em PDF.

Full text available only in PDF format.

 

 

AGRADECIMENTOS. À Dra. Vera Imperatriz-Fonseca (USP) e Dra. Márcia Ribeiro (USP) pelo auxílio na metodologia. Ao MSc. Sérgio Hilário (USP) pelas sugestões e bibliografias cedidas. Ao Dr. Luiz Glock (PUCRS) e MSc. Walter Castro (PUCRS), pela orientação nas análises estatísticas. À CAPES por ter concedido bolsa de estudos.

 

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Recebido em 25.V.2001; aceito em 03.IX.2002.

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