Pollinator declines have the potential to seriously affect food security and have driven an increased interested in non-bee pollinators, of which hoverflies are the most prominent group, visiting 72% of global food crops worth US$300 billion per year and over 70% of wildflowers.
In addition, hoverflies provide ecosystem functions not seen in bees, including crop protection from pests, recycling of organic matter and long-distance pollen transfer.
Migratory species are hugely abundant and unlike many insect pollinators, do not yet appear to be in serious decline. In this review we consider the role of hoverflies as pollinators in a changing world.
Source: The Royal Society