Toxomerus occidentalis, is a species of flower fly found in western North America from British Columbia south to California, Colorado and Texas.
Allograpta obliqua is a common North American species of hoverfly. The larvae are important predators on aphids.
Toxomerus marginatus, is a common species of hoverfly. It is found in many parts of North America.
Paragus haemorrhous, is a widespread species of hoverfly found in many parts of Europe, Africa and the Nearctic.
Eupeodes volucris, the bird hover fly, is a species of syrphid fly in the family Syrphidae.
Allograpta exotica is a species in the family Syrphidae ("syrphid flies"), in the order Diptera ("flies").