The extent to which respondents consider discolouration to be a problem.

  Part of: Bălăcenoiu F, Japelj A, Bernardinelli I, Castagneyrol B, Csóka G, Glavendekić M, Hoch G, Hrašovec B, Krajter Ostoic S, Paulin M, Williams D, Witters J, de Groot M (2021) Corythucha arcuata (Say, 1832) (Hemiptera, Tingidae) in its invasive range in Europe: perception, knowledge and willingness to act in foresters and citizens. NeoBiota 69: 133-153.