Sargus cuprarius
Sargus cuprarius, the clouded centurion, is a European species of soldier fly.
Description
Body length 6–12 mm.Green eyes with a purple transverse line, upper edge dark or violet. Face and frons with erect fine black hair; White
spot at the base of each antenna. Proboscis yellowish brown. Black antennae. A shiny metallic green blue thorax, covered with fine yellow hair. Wings with distinct darker spots below stigma. Black legs, yellow knees. Abdomen
copper, darker than the thorax with a purple or violet end ; violet with a copper base