▪ Abstract The pollination of flowering plants by animals represents a critical ecosystem
service of great value to humanity, both monetary and otherwise. However, the need for …

▪ Abstract Stingless bees (Apidae: Meliponini) are common visitors to flowering plants in the
tropics, but evidence for their importance and effectiveness as crop pollinators is lacking for …

The western honey bee (Apis mellifera) is the most frequent floral visitor of crops worldwide,
but quantitative knowledge of its role as a pollinator outside of managed habitats is largely …

▪ Abstract Bees are generally regarded as beneficial insects for their role in pollination, and
in the case of the honeybee Apis mellifera, for production of honey. As a result several bee …

Stingless bees diverged since the Cretaceous, have 50 times more species than Apis, and
are both distinctive and diverse. Nesting is capitulated by 30 variables but most do not …

More than a century ago, Dar-win (lg59) observed that" the number of bumblebees in any
district depends in a great measure upon the number of fieldmice, which destroy their combs …

In subtropical dry forest (Chaco Serrano) of Tucuman province, northwestern Argentina, we
assessed responses of the flower—visitor assemblage to habitat fragmentation by …

▪ Abstract Competitive displacement is the most severe outcome of interspecific competition.
For the purposes of this review, we define this type of displacement as the removal of a …

A MONOGRAPH OF THE BALTIC AMBER BEES AND EVOLUTION OF THE APOIDEA (HYMENOPTERA)
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Experimental demonstration of direct exploitative competition between foraging honey bees
and native bees in wildlands has proven elusive, due to problems of experimental design …