National Geographic : 2011 Mar
Bees are the most prolific pollinators, but they're not alone. The tarantula hawk wasp (above) feeds on milkweed pollen. Beetles are among the most ancient pollen carriers. This soldier beetle (below) munches a magnolia, which emits both scent and heat as lures. A bog orchid's pollen packet sits at the flower's mouth, ensuring that a probing mosquito gets a proboscisful (left). PEPSIS SP. ON ASCLEPIAS SUBULATA, ARIZONA CANTHARIDAE ON MAGNOLIA GRANDIFLORA, NATIONAL ARBORETUM, WASHINGTON, D.C.