Progressive
bee flies zip around flowers and bask on the hot sand in the heat of summer.
The adult flies nectar on summer-blooming flowers, and females search
for insect nest burrows to lay their eggs, which they may scatter across
the ground or flick at specific targets from above. These flies are known
to parasitize robber flies, solitary bees
and wasps, and ants, though in truth
little is known about bee flies as they've attracted little scientific
study. As a component of a healthy ecological web, bee fly larvae consume
their hosts in their immature growth stages.
Progressive Bee Fly
Progressive
bee flies zip around flowers and bask on the hot sand in the heat of summer.
The adult flies nectar on summer-blooming flowers, and females search
for insect nest burrows to lay their eggs, which they may scatter across
the ground or flick at specific targets from above. These flies are known
to parasitize 
