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Classification Order: Diptera – true flies Family: RhagionidaeLength .8 to 14 mm.
Phenology May to August.
Identification
Similar to Rhagio species, R. tringarius is a yellowy-orange fly which has long, slender legs. This species distinguishes itself by lack the dark wing stigma of most other Rhagio species. The Abdomiinal colour ( black patterning on the orange abdomen) varies, sometimes showing as diamonds or triangles but in others it can be generally lacking altogether.
Similar Species
Of the 6 UK recorded species the only other species without wing markings and a dark stigma is the rare R. annulatus but this species has black humeri and palps whereas in R. tringarius these are yellow.
Life Cycle
Habitat
Hedgerows woods and other well wooded areas with rich vegetation.
