Margined Calligrapher (Toxomerus marginatus) Toxomerus marginatus, is a common species of hoverfly. It is found in many parts of North America. Source: https://www.inaturalist.org/observations/141183378 Related By Wade Hi. I’m Wade Murray, and like everyone with a personal website, mine is horribly, terribly out of date. On the Internet my handle is normally wademurray, but you can still find blime in some of the older dustier places. View all of Wade's posts.