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Economic value of tropical forest to coffee production.
Can economic forces be harnessed for biodiversity conservation? The answer hinges on characterizing the value of nature, a tricky business from biophysical, socioeconomic, and ethical perspectives.Expand
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Bee Societies. (Book Reviews: The Social Behavior of the Bees. A Comparative Study)
Although the honeybee is without doubt man's favorite social insect, and the most studied by him, there are twenty thousand other species of bees, many of which are social. This book is the first toExpand
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The purpose of the study reported in this paper was to determine whether certain statistical procedures might aid persons interested in the relationships among organisms. The objectives of our studyExpand
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Comparative Social Behavior of Bees
The bees (Apoidea) constitute a group of some 20,000 species which is appropriate for comparative studies of sociality because it includes species at every level from nonsocial or solitary to highlyExpand
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Discordant Evolution and the Classification of Allodapine Bees
Michener, C. D. (Departments of Entomology and of Systematics and Ecology, University of Kansas, Lawrence, Kansas 66045) 1977. Discordant evolution and the classification of allodapine bees. Syst.Expand
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Reproductive efficiency in relation to colony size in hymenopterous societies
SummaryCensuses showing the numerical relations between adults and immature stages are presented for numerous colonies of social Hymenoptera. Emphasis is placed on primatively social forms havingExpand
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Observations on the Classification of the Bees Commonly Placed in the Genus Megachile (Hymenoptera, Apoidea)
The genus Megachile is divided into three genera, Megachile, Chelicodoma, and Creightonella, differing in their nesting habits as well as structure. The following subgenera are described :Expand
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