Delhi Sands Flower-loving Fly vs Fleck-winged Hoverfly

Side-by-side species comparison

Attribute Delhi Sands Flower-loving Fly Fleck-winged Hoverfly
Scientific Name Rhaphiomidas terminatus abdominalis Dasysyrphus albostriatus
Order Diptera Diptera
Family Mydidae Syrphidae
Size 2.5-3.5 cm 9-12 mm
Habitat Beaches & Coastal Woodlands
Diet Herbivores Wood Feeders
Regions United States Europe, Asia
Conservation Endangered Least Concern

Delhi Sands Flower-loving Fly

A large flower fly endemic to the Delhi Sands area of San Bernardino County, California. It was the first fly to be listed under the U.S. Endangered Species Act.

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Did You Know?

Listing this fly in 1993 caused controversy when it delayed construction of a hospital in its habitat.

Fleck-winged Hoverfly

A woodland hoverfly with white crescent markings on a dark abdomen. It is one of the earliest hoverflies to appear in spring.

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Did You Know?

It is sometimes called the white-striped hoverfly because of the distinctive pale marks on its dark abdomen.