Helcystogramma triannulella (Herrich-Schäffer, 1854)
bindweed crest
on Calystegia, Convulvulus, Ipomoea

Convolvulus spec., Bulgaria, Varna © Stéphane Claerebout

larva and “mine”

larva dorsally

larva laterally
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.
host plants
Convolvulaceae, oligophagous
Calystegia sepium; Convolvulus arvensis; Ipomoea.
phenology
In Spain several generation between May and October.
BENELUX
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).
pupa
Gregor & Patocka (2001a), Huertas Dionisio (2008a), Patocka (1997a)
references
Corley, Merckx, Cardoso, Dale, ao (2012a), Gregor & Patocka (2001a), Huertas Dionisio (2008a), Lewis & Palmer (2014a), Patocka (1997a), Requena (2009a), Žemlička (2011a).