Lilioceris merdigera (Linnaeus, 1758)
onion beetle
on Allium, etc.
parasite
Larva communal, free on the leaves. They are entirely covered by a sticky mantle of frass and secretion. Pupation in a cocoon in the soil.
host plants
Amaryllidaceae, Asparagaceae, narrowly polyphagous
Allium cepa, sativum, schoenoprasum, ursinum; Convallaria majalis; Polygonatum.
distribution within Europe
pupa
See Steinhausen (2001b).
references
Biondi (1994b), Gavrilović, Gavrilović, Ćurčić, ao (2014a), Kofler (2011a), Maican & Serafim (2016a), Pozsgai (2005a), Regalin, Bezděk, Penati & Ciapponi (2006a), Rheinheimer & Hassler (2018a), Steinhausen (1990a, 2001b), Vig (1997a).