Hexomyza cecidogena (Hering, 1927)
Material examined.
TI: Biasca [46°21'N, 8°58'E, 300m a.s.l., banana bait], 3 ♂♂, 16.-20.vi.1995, B. Merz & G. Bächli leg.
Distribution.
Europe: Austria, Belgium, Czech Republic, Denmark, France, Germany, Hungary, Italy, Lithuania, Poland, Portugal ( Černý et al. 2018), Slovakia, Ukraine; Asia: China, Japan (Papp and Černý 2015). First record from Switzerland.
Biology.
Host plants Salix aurita, S. repens .