"Stealth" Flies On Birds: The Hippoboscids: Photographs and information about these flat insects that parasitze birds and mammals.
Aphidoletes aphidimyza (Aphid Midge): Cecidomyiid fly whose larvae are effective predators of aphids. Description, habitat, life cycle, photo, and other information.
Brisbane Flies: Information and pictures of flies in Brisbane, Australia.
Catalogue of the Craneflies of the World: Comprehensive taxonomic information on 17311 taxa in the families Pediciidae, Limoniidae, Cylindrotomidae, and Tipulidae (Insecta, Diptera, Tipuloidea), including distribution data by country.
Checklist of the Diptera of the Netherlands: Information about the checklist by Paul Beuk, which can be ordered on CD-ROM.
Chironomidae and Water Beetles of Florida: Information on Chironomidae and water beetles, checklists for Florida, North and South Carolina; information on how to obtain identification manuals.
Chronobiology in Drosophila m.: Research on circadian rhythms and information about Chronobiology and the endogenous clock in the model organism Drosophila.
Crane Fly Pests of the Pacific Northwest: Information on the occurrence, biology, damage, and management for these introduced pests of turf and many other plants.
Diptera: Characteristics, phylogeny, and images from the Tree of Life project.
Diptera - Flies Are Cool: Photos and information on Diptera (true flies) and links to other entomological and parasitological sites.
Diptera Site: Detailed information about flies from the USDA Systematic Entomology Laboratory.
Diptera.info: Deals with all aspects of dipterology (the study of Diptera: flies and midges) and dipterists worldwide. Includes images and forums.
Dolichopodidae: All about Dolichopodidae (Diptera: Empidoidea) by Igor Grichanov. General information, catalogs, keys, fossils, bibliography, and links.
Flies in the Home: University of Nebraska Cooperative Extension in Lancaster County factsheet and audio on flies found in the home, biology and control.
Fly Index: Index for flies; click on any fly for image, biology, habits, control methods.
Garden Safari: Introduction to Diptera: Photographs and information about flies and gnats in a garden in The Netherlands.
Information on Robberflies of Germany: Detailed information on the Asilidae of Germany, including distribution maps, flight period diagrams, histograms, and information on habitat requirements. In German and English.
iStudy Flies: Observations, how flies affected the course of history, and pictures.
Love Bugs on the Move: Information about Plecia nearctica, commonly called "love bugs", which emerge en mass and form large swarms. Site includes photos, video, poetry, and links.
Lovebug - Plecia nearctica: Detailed information about Plecia nearctica (Diptera: Bibionidae), swarming flies that are a nuisance to motorists in the southern US.
Mydidae (Diptera: Asiloidea): Detailed information, including morphology, life history, and phylogeny, with bibliography and links.
North American Dipterists Society: A variety of resources for scientists that study the insect order Diptera, true flies. Includes newsletters "Fly Times" and "Tachinid Times", Tachinidae resources.
Robber Flies (Asilidae): Detailed information and links.
Species List for Hoverflies (Diptera: Syrphidae) in Cornwall: A list of hoverfly species recorded in Cornwall, UK.
Springbrook Glow Worms Research Centre - Queensland.: Information about privately funded research into the genus Arachnocampa (Type species: Arachnocampa flava Harrison, 1966).
Syrphidae of Europe: Images and keys for the hoverflies (Syrphidae) of northwestern Europe.
The Fly in Your Eye: Full text of a book by Jim Heath telling the story of the war between bush flies and dung beetles in Australia. Includes cartoons, facts, and drawings.
The World of Syrphidae: Photos, range maps, and resources for the hoverflies (Syrphidae) of Europe.