Harmonia nigromarginata is a species of beetle of the family Coccinellidae. It is found in Indonesia (Ambon, Seram and Sulawesi).
Description Adults reach a length of about . The head and antennae are yellow and the pronotum is yellow with two black fasciae. The scutellum is black or dark brown and the elytra are yellow or brownish, with a black pattern and with dark borders and suture. The ventral surface is brown and the legs are yellow.
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