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