Closely allied to A. sulcata Kolbe ¹), but at once distinguished by its strong metallic colour (sulcata is deep black), more robust shape and only slightly emarginate front margin of the clypeus (in sulcata the clypeus is deeply emarginate in both sexes). Length 11 mm. — Above glabrous, very shining, bright metallic purplish with metallic green tinges; beneath the metallic hue is less distinct, especially on the prosternum and sides of metasternum; the legs black, the tarsi dark pitchy with rufous hairs; the punctures on the under surface of the body and on the legs with a minute decumbent white hair. Antennae, palpi and claws dark rufous.