Portevinia maculata (Fallén, 1817)

ramsons hoverfly

on ramsons

parasite

Oviposition on the soil near the plant. The larve bore in the tubers. Before pupation they hibernate in the soil.

host plants

Amaryllidaceae, monophagous

Allium triquetrum, ursinum.

distribution within Europe

(PESI, 2019).

references

Hövemeyer (1995a), Nielsen (1979a), Reemer, Renema, van Steenis ao (2009a), Robbins (1991a), Rotheray (1991a), Speight (2017a).