Taxonomy PolyphagaCurculionoideaCurculionidaePolygraphusPolygraphus grandiclava Articles (2010), Polygraphus grandiclava (Thomson) (Curculionidae) new to Britain and breeding The Coleopterist 19(2):63 Distribution (may take a minute to appear) Distribution Map Your browser does not support iframes, but you can visit <a href="https://easymap.nbnatlas.org/EasyMap?tvk=%5Bnode%3Afield_nbn_map%5D&w=367&title=0">Distribution Map</a>