Three Myopa in a stack, dangling from an old Symphyotrichum pilosum stem. I'm guessing the female is hanging on the stem and the two below are males. I was tipped off by another individual, presumably male, flying among the jungle of stems, coming upon this trio and almost latching on.
Feeding on willow pollen, collected, 7000’ elevation
Vernal pool + volcanic cobbly soils