Bactra venosana (Zeller, 1847)

nutgrass borer

on Cyperus

parasite

The larva bores in the stem.

host plants

Cyperaceae, monophagous

Cyperus rotundus.

That the species would live also on Phragmites is less likely.

distribution within Europe

(PESI, 2019).

references

Efil, Efil, Atay & Üremiş (2012a), Hancock & Bland (2015b), Muus (2022a).