Pemphigus bursarius (Linnaeus, 1758)
poplar-lettuce aphid
on Populus, primary host plant
Populus nigra, Hungary, Mosonmagyaróvár © László Érsek: young galls (early May)
opened gall with fundatrix, eggs, and young aphids
one month later
opened mature gall
apterae and alatae
Populus nigra cv. ‘Italica’, Utrecht, Terwijde © Arnold Grosscurt
gall
purse galls, always on the petiole.
host plants
Salicaceae, monophagous
Populus nigra.
Less often also on P. balsamifera, x berolinensis, canadensis, carolinensis, simonii.
on Asteraceae, secondary host plants
gall
aphid colonies, with much white wax, mainly on the roots.
host plants
Asteraceae, oligophagous
Bidens tripartitus; Cichorium endivia, intybus; Crepis; Lactuca sativa, serriola; Lapsana; Mycelis muralis; Sonchus asper; Taraxacum; Tolpis succulenta; Tussilago.
synonyms
Pemphigus pyriformis, piriformis Lichtenstein, 1886.
notes
in summer sometimes a pest on lettuce.
references
Barbagallo, Binazzi, Pennacchio & Pollini (2011a), Barbagallo & Massimino Cocuzza (2014a), Béguinot (2002h, 2003a, 2006a, 2007b, 2012a), Bellmann (2012a), Blackman & Eastop (2014), Börner & Franz (1956a), Braggion (2013a), Buhr (1965a), Chinery (2011a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Docters van Leeuwen (1936a), Franquinho Aguiar, Ilharco, Khadem & Moreira (2013a), Heie (1980a), Hellrigl (2004a, 2010a), Houard (1908a), Ilie & Marinescu (2011a), Influential Points (2018), Kollár (2007a, 2011a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon & Schneider (2004a), Lampel & Meier (2003a), Meliá Masiá (1986a), Mier Durante, Seco Fernández & Nieto Nafría (1989a), Müller & Horatschek (1980a), Nieto Nafría & Mier Durante (1981a), Nieto Nafría, Mier Durante, Binazzi & Pérez Hidalgo (2002a), Nieves Aldrey (1998a), Osiadacz & Halaj (2014a), Papapanagiotou, Nathanailidou, Taylor ao (2012a), Pellizzari (2010a), Pérez Hidalgo, Martínez Peláez & Nieto Nafría (2001a), Petrović (1998a), Redfern & Shirley (2011a), Roskam (2009a), Salas-Remón, Llimona, Lozano ao (2015a), Stănescu (2009a), Suay Cano & González Funes (1998c), Tambs-Lyche & Heie (1994a), Tomasi (2012a, 2014a), Weis (1955a), Wojciechowski, Depa, Halgoš ao (2016a).