Chrysotoxum flavifrons, the Blackshield Meadow Fly, is a species of North American hoverfly.
For terminology Speight key to genera and glossary external link to inaturalist images The proportions of the three antennal segments are about 3:3:10 In males the frons, has no strong swelling, and upper eye facets that are larger.
The face is yellow pollinose with a middle vitta that is broad black to brown median, and a tubercle that is low near the lower margin.
The cell bm typically has a distinct bare median stripe but can rarely be entirely trichose.
[1][2] Canada and United States from the following states and provinces: Yukon, B.C., Nova Scotia, Ontario, New Brunswick, Alberta, Montana, Indiana, Maine, Alaska, California, New Mexico, Colorado, Illinois, Iowa, and Idaho.