Calycomyza
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Calycomyza humeralis
aster leafminer
Calycomyza humeralis, commonly known as the aster leafminer, is a species of leaf-mining fly in the family Agromyzidae. The species was first described by Roser in 1840. It is known for its larval habit of creating distinctive mines in the leaves of host plants, particularly those in the Asteraceae family. The species has a broad global distribution, having been recorded across multiple continents including Europe, North America, Asia, Africa, and Oceania.