Galeruca pomonae (Scopoli, 1763)
on herbs
parasite
Larvae and adults free at the underside of the leaves. Eggs are deposited, in the litter, in packets of several tens, covered by a black, soon hardening, foam.
host plants
polyphagous
Capsella bursa-pastoris; Centaurea jacea; Cirsium; Dipsacus; Knautia arvensis; Origanum vulgare; Phlox paniculata; Salvia pratensis; Scabiosa.
phenology
Bivoltine; hibernation as egg.
distribution within Europe
larva
Shining black, hairy; picture in Rheinheimer & Hassler.
pupa
Yellow. See Steinhausen (1996b, 2002a).
references
Biondi (1994b), Bukejs (2009d), Farina (2015a), Rheinheimer & Hassler (2018a), Steinhausen (1996b, 2002a), Wanntorp & Fägerström (2006a).