Lilioceris lilii (Scopoli, 1763)
scarlet lily beetle, lily beetle
on Fritillaria, Lilium, etc.

Fritillaria pyrenaica, France, dép. Ariege, Fougax-et-Barrineuf © Jessica Joachim (see note)

Hoofddorp, 14.viii.2021 © Laurens van der Linde: larva

imago
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
Liliaceae, oligophagous
Fritillaria imperialis, pyrenaica; Lilium candidum, carniolocum, martagon.
Also reported from Allium (Amaryllidaceae), Convallaria majalis; Polygonatum multiflorum (Asparagaceae).
distribution within Europe
pupa
See Steinhausen (2001b).
notes
Serveral specimens, some in copula, were observed on Fritillaria pyrenica, which makes it plausible that that too is a host plant.
references
Biondi (1994b), Cappuccino, Haye, Tewksbury & Casagrande (2013a), Fagot (2019a), Gavrilović & Ćurčić (2013a), Gavrilović, Gavrilović, Ćurči, ao (2014a), Kealey, Cappuccino & Mason (2013a), Kofler (2011a), Maican & Serafim (2016a), Mohr (1985a), Petitpierre i Vall (1994a), Regalin, Bezděk, Penati & Ciapponi (2006a), Rheinheimer & Hassler (2018a), Rozner & Rozner (2008a), Salisbury (2008a), Steinhausen (2001b), Tomov, Gruev, Vig & Merk (1996a), Troukens (2012b), Turanli, Kaya & Kismali (2002a).