Wachtliella persicariae (Linnaeus, 1767)
on Bistorta, Persicaria
Persicaria spec., Romania, Hunedoara county, Bretea Mureșană, 21.viii.2019 © Alex Pintilioaie
transverse section

Persicaria amphibia, Belgium, prov. Namur, Gembloux: heavy infestation © Jean-Yves Baugnée

light infestation

larvae in the gall

Persicaria amphibia, Amstelveen, Schinkelbos: transverse section


larva; at right a cocoon

Persicaria maculosa, Zalk © Arnold Grosscurt

pupae in cocoons
gall
A gall contains several white-orange larvae that pupate there in a white cocoon. Several generations per year.
host plants
Polygonaceae, oligophagous
Bistorta officinalis, vvipara; Persicaria amphibia, hydropiper, lapathifolia, maculosa.
According to Buhr rarely also on Fallopia dumetorum and even Polygonum aviculare.
larva
prosternum with spatula (from Möhn, 1955a)
synonyms
Perrisia persicariae.
references
Béguinot (2001c, 2002h, 2012a), Bellmann (2012a), Bruun (2015a), Buhr (1965a), Chinery (2011a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Gagné (2010a), Groom (2011a), Houard (1908a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon, Schneider & Feitz (2001b), Lehmann & Flügel (2012a), Lehmann & Hannover (2016a), Mirumian (2011a), O’Connor (2005a), O’Connor & Wistow (1999a), Redfern & Shirley (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Schneider (2016a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2007a), Skuhravá & Skuhravý (1994a, 1999a), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Skuhravá, Skuhravý & Buhr (2013a), Skuhravá, Skuhravý & Carbonnelle (2017a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Sylvén (1983a), Tomasi (2012a, 2014a).