Asiodidea nikkoensis (Matsumura)
SUMMARY
Asiodidea is a monotypic genus of the tribe Syrphini. A. nikkoensis has postpronotum bare, antenna short, anterior anepisternum bare, abdomen slightly oval, metaespisternum nd metasternum bare, scutum with a well-defined lateral yellow vitta, abdomen strongly margined, and vein R4+5 strongly sinuate.