Pharangispa purpureipennisPharangispa purpureipennis is a species of beetle of the family Chrysomelidae. It is found on the Solomon Islands.DescriptionAdults reach a length of about 4.65–6.3 mm. Adults have a dark region on the elytron, covering much of disc and extending to the pale lateral margin.BiologyThe recorded food plants are Zingiberaceae, Costus and Heliconia species.