Prasocuris junci (Brahm, 1790)
brooklime leaf beetle, black leaf beetle
on Veronica,etc.
parasite
Larvae free on the leaves. Eggs are deposited singly in the hollow stem. Also the pupation takes place inside the stem.
host plants
polyphagous
Veronica anagallis-aquatica, beccabunga, catenata; Ranunculus peltatus.
phenology
Univoltine; hibernation as imago.
distribution within Europe
larva
See Hennig
pupa
See Steinhausen (2001b).
references
Beenen (2020a), Bukejs (2009h), Hennig (1938a), Rheinheimer & Hassler (2018a), Rozner & Rozner (2008a), Steinhausen (2001b), Troukens (2012b), Winkelman (2013a), Winkelman & Debreuil (2008a).