Aulacidea hieracii (Bouché, 1834)
on Hieracium, Schlagintweitia
Hieracium spec., Italy, Valle d’Aosta, Ville sur Sarre, 1300 m, 28.vii.2018 © Cor Zonneveld
the suppression of the stem above the gall is virtually complete here.
Hieracium spec. © Roelof Jan Koops
Hieracium lachenalii subsp. cruentifolium, Helenaveen, Broemeerbos
Hieracium spec., Reusel
Hiercium umbellatum, Wouwsche Plantage
Hieracium spec., Loenen (Ge): oude gal; © Arnold Grosscurt
opened gall, with a number of pupae, each in its own cell
variation
Hieracium spec., België, prov. Namen, Couvin, lieu-dit “Roche Albéric” © Stéphane Claerebout: larva
gall
Galls, up to 3 cm in size in the stems; the part of the plant above the gall is usually strongly suppressed. The gall may be smooth, but can also be covered by erect white hairs. A gall contains several white larvae or pupae, each in its own cell. Univoltine, hibernation and pupation in the gall.
host plants
Asteraceae, narrowly oligophagous
Hieracium alpinum, inuloides subsp. tridentatifolium, lachenalii subsp. cruentifolium, laevigatum, maculatum, murorum, racemosum subsp. tenuifolium, sabaudum & subsp. boreale, subcaesium, tomentosum, umbellatum, virosum; Schlagintweitia intybacea.
synonyms
Aulacidea pigeoti (Bouché, 1834), A. schlechtendali Rübsaamen, 1896. However, the references to pigeoti in Houard, Buhr and Dauphin & Aniotsbehere must concern A. scorzonerae.
references
Béguinot (2002e,h, 2007b, 2012a), Bellmann (2012a), Buhr (1964b, 1965a), Chinery (2011a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Dietrich (2016a), Docters van Leeuwen (1936a), Eady & Quinlan (1963a), Ellis (2003a), Hellrigl (2009a), Hellrigl & Bodur (2015a), Houard (1909a), Koops (2013a), Kwast (2014a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon, Schneider & Chevin (2003a), Lehmann & Hannover (2016a), Melika (2006a), Melika & Karimpour (2012a), Nieves-Aldrey (1984a, 2001a, 2004a), Nieves-Aldrey, Gómez, Hernández Nieves & Lobo (2006a), Redfern & Shirley (2011a), Roskam (2009a), Stănescu (2009a), Tavares (1905a).