[1][2][3][4] It is native to Europe, but was introduced to North America in the early 20th Century.

[5] Polydrusus impressifrons looks similar to Polydrusus formosus, but P. impressifrons is smaller, lighter and has a broader head.

Adult beetles are pale green-blue in color and have a pattern of lines and dots on their backs.

They reach a length of 0.15–0.22 inches (3.8–5.6 mm).

[5]These two subspecies belong to the species Polydrusus impressifrons: