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Abstract Native bees provide essential pollination services to cultivated and wild plants worldwide. Despite the need to conserve… Expand Up to 60% of the bee species of a region are oligolectic; they collect pollen only from a closely related group of plants though… Expand Mounting evidence indicates that trade-offs between plant defense and reproduction arise not only from resource allocation but… Expand A review of the reproductive biology of fleshy-fruited species of Opuntia sensu stricto was conducted. Among Cactaceae, Opuntia… Expand We estimated phylogenetic relationships among species of the bee genus Diadasia, a group of new world, specialist bees. We… Expand