Pharangispa purpureipennis is a species of beetle of the family Chrysomelidae. It is found on the Solomon Islands (Guadalcanal, Santa Isabel).
Description Adults 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.
Biology The recorded food plants are Zingiberaceae (including Alpinia species), Costus and Heliconia species.
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