Sargus cuprarius, the clouded centurion, is a European species of soldier fly.
Body length 6âÂÂ12 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 ( whitish in male). Wings with distinct darker spots below stigma. Black legs, yellow knees. Abdomen copper, darker than the thorax with a purple or violet end (male); violet with a copper base (female)
Found in open and wooded habitats and humid places, from June. Larva in decomposing vegetable matter.
It is found in Western Europe, North and South European Russia, the Caucasus, mountains of Central Asia, Mongolia, and North America.