Introduction to hoverflies with a table of classification, images and illustrations, identification guide, and glossary.

Profile of the Aspen hoverfly with a description, information on habitat and threats, glossary, images, and references.

Provides information about the hover flies and photos showing different species with accompanying brief descriptions.

Article discussing the hoverflies also known as drone or syrphid flies. Includes illustrations and references.

Features a Syrphidae literature search tool, checklists, photos, distribution map, and a Syrphidae identification guide.