Thrypticus smaragdinus Gerstäcker, 1864

on Phragmites

Thrypticus smaragdinus larva on Phragmites australis

larva (from Lübben)

Thrypticus smaragdinus pupa on Phragmites

pupa (exuvium)

parasite

Groups of larvae in autumn and spring make vertical tunnels in the above-water parts of the stem.They hibernate below the water table, in the rhizomes. Pupation in the galleries.

host plants

Poaceae, monophagous

Phragmites australis.

distribution within Europe

PESI (2023).

references

Lübben (1908a), Nartshuk (2011a), Schwarzländer & Häfliger (2000a), Stary (1930a), Waitzbauer, Pruscha & Picher (1972a) .