| does passive sampling accurately reflect the bee (apoidea: anthophila) communities pollinating apple and sour cherry orchards? | during bloom of spring orchard crops, bees are the primary providers of pollination service. monitoring these insects for research projects is often done by timed observations or by direct aerial netting, but there has been increasing interest in blue vane traps as an efficient passive approach to collecting bees. over multiple spring seasons in michigan and pennsylvania, orchards were monitored for wild bees using timed netting from crop flowers and blue vane traps. this revealed a distinctly d ... | 2017 | 28379550 |