Harpalus affinis is a species of ground beetle native to the Palearctic, and introduced in the Nearctic and the Australasian region.
Its presence on the Balearic Islands and Sardinia is doubtful.
Their surface is metallic bronze, green or blue coloured.
[1] Harpalus affinis is present in the Palearctic realm, from Europe to Siberia.
[1] It was introduced in North America and is now present in several Canadian provinces, from British Columbia to the Maritimes.