a female robber fly in the genus efferia with a large moth chersotis juncta on the ground in wyoming

chersotis juncta efferia ground native species pollination pollinator wyoming arthropod arthropods behavior biodiversity community interactions conservation ecological balance role ecology ecosystem entomology environmental research study fauna female insect field habitat dynamics taxonomy insects instars life cycle microhabitat morphological traits moth natural environment history nature lover observation organism outdoor exploration predation robber fly rocky small animals interaction terrain vegetation wildlife genus large captures landscape