Platycorynus peregrinus

Platycorynus peregrinus can reach a length of 9–11.5 millimetres (0.35–0.45 in) and a width of 5–6 millimetres (0.20–0.24 in). 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 (e.g. Solanum melongena, Hibiscus esculentus, Abelmoschus esculentus, Lycopersicon esculentum and Solanum tuberosum).

This species can be found in Pakistan,^[3] India, Sri Lanka, Myanmar, Nepal, Thailand, Cambodia, Laos, Vietnam, SW China and Malaysia.

• Jolivet, Pierre; Verma, Krishna K. (2008). "Eumolpinae – a widely distributed and much diversified subfamily of leaf beetles (Coleoptera, Chrysomelidae)" (PDF). Terrestrial Arthropod Reviews. 1 (1): 3–37. doi:10.1163/187498308X345424.
• Purushottam Prasad, Singh, B. K. Studies on the food and food preference in Platycorynus peregrinus