Contarinia amenti Kieffer, 1909
a male catkin is shortened and swollen. Between the floral parts live several red larvae that are able to jump. Larval spatula hardly incised at the tip.
Quercus pubescens, robur.
Buhr (1965a), Gagné (2010a), Kieffer (1909a), Skuhravá, Skuhravý & Dengler (1997a), Tomasi (2014a).