About Dasysyrphus tricinctus (Fallén, 1817)
This species is Dasysyrphus tricinctus (Fallén, 1817). Adults have a wing length between 7.25 and 10.25 mm. Their eyes are covered in hairs, and the wing stigma is black. The yellow pattern on the third abdominal tergite is much broader than the yellow pattern on the fourth abdominal tergite; the yellow pattern on the second abdominal tergite is either small or entirely absent. Male genitalia of this species were figured by Hippa in 1968, and the larva was illustrated by Rotheray in 1993. This species is distributed across the Palaearctic realm. Its range extends from Iceland south to the Pyrenees and northern Spain, and from Ireland and Fennoscandia eastwards through central and northern Europe and Russia to the Pacific coast and Japan.