GALL
The solitary larva is orange-yellow. Hibernation in the ground. Roskam (2009a) writes of two annual generations, Skuhravá ao (2006a) of a single one, no doubt connected with differences in longitude.
HOST PLANTS
Dennstaedtiaceae, monophagous: Pteridum aquilinum.
- Willem N. Ellis: (2021) Plant Parasites of Europe©