This day appeared first one and later another two of these lemon-yellow accentuated hover flies. They are Xanthogramma edissequum ^[1,2,3], a common species in the Netherlands.

This male was the first to arrive.

Later this female and another specimen of the flies appeared.

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Literature

¹ Nederlands Soortenregister

² André Schulten, februari 2014, "Fotogids ZWEEFVLIEGEN Versie 2.0"

³ VAN STEENIS, Wouter; BOT, Sander; BARENDREGT, Aat. Twee nieuwe citroenzweefvliegen voor Nederland: Xanthogramma dives en X. stackelbergi (Diptera: Syrphidae). Nederlandse Faunistische Mededelingen, 2014, 43: 27-35.