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Abstract
A total of 321 specimens of Bombus atratus collected in 17 municipalities of Departamento de Cundinamarca (Colombia) were examined. The pubescence in different parts of the body (thorax and abdominal tergites I to IV) was registered for each specimen. It was confirmend that the most frequent color pattern is black, except for specimens collected in "El Guavio" (Gachalá and Ubalá), where there was a predominance of yellow in addition to the presence of ferrugineus hairs on tergites IV, V and VI. The influence of geographical isolation in relation of the colour patterns is discussed.
References
Liévano, A. & R. Ospina. 1984. Contribución al Conocimiento de los abejorros sociales de Cundinamarca. -Tesis U. Nacional de Colombia, Bogotá. 177 pgs.
Milliron, H. E. 1970. A Monograph of Western Hemisphere Bumblebees. Memor. Ent. Soc. Can. No. 65: 81-333.
Moure, J. S. & S. F. Sakagami. 1962. As Mamangavas sociais do Brasil. Studia Ent. 5: 65-194.
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Copyright (c) 1987 Revista de Biología Tropical