Philaenus spumarius (Linnaeus, 1758)
common froghopper, spitlebug
polyphagous on herbs, and seedlings of trees and shrubs
parasite
(part of) the leaf dark green, flexed downwards; at the underside a green larva in a drop of froth.
host plants
Acer platanoides; Achillea; Aconituml Adenostyles; Aegopodium podagraria; Aethusa cynapium; Agrimonia; Arctium minus; Armoracia rusticana; Berula erecta; Dioscorea communis; Impatiens parviflora; Lythrum salicaria; Persicaria amphibia; Rhinanthus angustifolius; Rumex obtusifolius; Salvia pratensis; Sambucus nigra; Solanum dulcamara, nigrum; Tanacetum vulgare; Viburnum opulus; Viola.
distribution within Europe
references
Buhr (1964b), Coulianos & Holmåsen (1991a), Docters van Leeuwen (1936a), Roskam (2009a, 2019a), Sylvén (1960a), Tomasi (2012a, 2014a).