This paper reviews current knowledge on the occurrence of several types of pollen grains in
the sediments of honey samples, propolis and bee loads of Apiinae and Meliponinae in …

Abstract “Go to the bee, and learn how diligent she is, and what a noble work she produces,
whose labors kings and private men use for their use, she is desired and honored by all, and …

Opuntia brunneogemmia and O. viridirubra occur sympatrically in the Serra do Sudeste, Rio
Grande do Sul, Brazil. Their flowers have 450–600 thigmonastic stamens and provide large …

Bee-plant relations were studied in the Guaritas region in subtropical Brazil. In this habitat
most of the melittophilous plants are herbs, dwarf shrubs and succulents. Bees of about 250 …

Effective seed dispersal is essential to plant reproductive success. In this study, we
evaluated the fruiting phenology, fruit traits, and seed dispersal of the endangered globose …

The flowers of Pavonia cancellata, a creeping ruderal half-shrub of northeastern Brazil, open
synchronously at 6: 00 h with all anthers already dehisced. The oligolectic bee Ptilothrix …

Arthrocereus belongs to the Cactaceae family, which comprises 124 genera and 1438
species distributed throughout the Americas. The present study aimed to investigate pollen …

Augochlora is a genus of mainly tropical bees, with few representatives in both North and
South American temperateareas. In this contribution we present a taxonomic review of the …

Phylogenetic relationships within the bee family Andrenidae were resolved in cladistic
analyses of morphological and molecular characters. The phylogeny served as the basis for …

A study of the life history of the solitary bee Monoeca xanthopyga, was conducted at the
Araucária Plateau, at the state of Rio Grande do Sul. The study focused the seasonality …