Helcystogramma triannulella (Herrich-Schäffer, 1854)
on Calystegia, Convulvulus, Ipomoea
Convolvulus spec., Bulgaria, Varna © Stéphane Claerebout
larva and “mine”
the larva lives in a leaf that has been doubled by spinning, and causes window feeding in that position. Probably almost never true mining will be involved.
In Spain several generation between May and October.
BE recorded (Fauna Europaea, 2014)
NE not recorded (Fauna Europaea, 2014)
LUX not recorded (Fauna Europaea, 2014)
distribution within Europe
from Poland to Iberia, and from France to Greece (Fauna Europaea, 2014); also Britain (Lewis & Palmer, 2014a).
Gregor & Patocka (2001a), Huertas Dionisio (2008a), Patocka (1997a)
Corley, Merckx, Cardoso, Dale, ao (2012a), Gregor & Patocka (2001a), Huertas Dionisio (2008a), Lewis & Palmer (2014a), Patocka (1997a), Requena (2009a), Žemlička (2011a).