White eggs on the female's head is Istocheta (=Hyperecteina) aldrichi is a tachinid fly native to central and northern Japan that parasitizes adult Japanese beetles. It was first introduced in the United States in 1922.
NTNU University Museum, Department of Natural History. NTNU University Museum, Department of Natural History. NTNU University Museum, Department of Natural History. Year: 2015. Contact: Torbjorn Ekrem.
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