Why are queens broodless- failed nest initiation not linked to parasites, mating status, or ovary development in two bumble bee species of Pyrobombus
Identification of major quantitative trait loci underlying floral pollination syndrome divergence in Penstemon
Indirect effects of landscape spatial structure and plant species richness on pollinator diversity in Ozark glades
The evolution of Cayaponia. Repeated shifts from bat to bee pollination and long-distance dispersal to Africa 2 – 5 million years ago
