Black flies, a pesky biting insect, crawl across the surface of cow parsnip (Heracleum maximum); Alaska, United States of America PacificStock
A Swallowtail Butterfly Visits Thistle Blossoms; Elsie, Oregon, United States Of America PacificStock
Tiger Longwing Butterfly (Heliconius Hecale) Resting On Leaf, Niagara Butterfly Conservatory, Niagara Falls, Ontario, Canada. PacificStock
Owl Butterfly (Caligo Idomeneus) Resting On Trunk, Niagara Butterfly Conservatory, Niagara Falls, Ontario, Canada. PacificStock
A Pearly Eye Butterfly (Enodia) Rests On A Blade Of Grass; Vian, Oklahoma, United States Of America PacificStock