you don't need to persuade me.
I just put myself in "mainstream's" position.
It is really beautiful! It has light blue balancers an the grey stripes on it's thorax appear like a pinstripe suit of a business man. It wears stylish yellow shoes and its wings look like fragile glass. Its abdomen owns all rainbow colors, but the colors are not too saturated. So it is far from being overdressed, cheap or kitschy.
Not to forget the beautiful "rest" of the fly.
Hello, Sericomyia-Arctoph ila... this synonymy is based on Nearctic material only. Although very respected authors, I think it is not wise to follow this synonymy without studying palearctic Arctophila