Gynnidomorpha vectisana (Humphreys & Westwood, 1845)
small saltern conch
on Triglochin
parasite
The larvae of the first generation, in early summer, live freely in the inflorescence. Those of the autumn generation live as stem borers and hibernate in the roots; infected stems turn yellow and have straw coloured frass at their base.
host plants
Juncaginaceae, monofaag
Triglochin maritima, palustris.
\Reference by Pinzari ao to Alisma plantago-aquatica; Pedicularis; Plantago re difficult to understand.
distribution within Europe
synonyms
Phalonidia vectisana.
references
Bradley, Tremewan & Smith (1873a), Gerstberger (2003a), Hancock & Bland (2015a), Huisman & Koster (1996a), Huisman, Koster, van Nieukerken & Ellis (2007a), Jansen & Asselbergs (1993a), Pinzari, Pinzari & Zilli (2006a), Rickert (2010a, 2011a), Wegner (2010a).