Appearance
''Platycorynus peregrinus'' can reach a length of 9–11.5 millimetres and a width of 5–6 millimetres . The body is usually metallic blue, sometimes blue-black or blue-violet.This leaf eating beetle is primarily herbivorous and secondarily graminivorous. The preferred host plants are the very toxic ''Calotropis procera'', various ''Digitaria'' species and some plants of economic importance .
Distribution
This species can be found in India, Sri Lanka, Myanmar, Nepal, Thailand, Cambodia, Laos, Vietnam, SW China and Malaysia.References:
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