Rhopobota ustomaculana (Curtis, 1831)
northern bell, loch rannoch tortrix
Vaccinium vitis-idaea, Poland, województwo Pomorskie, Czolpino © Stéphane Claerebout
underside of a mined leaf
lighted from behind
Vaccinium vitis-idaea, Belgium, prov. Liège, Eupen, Brackvenn © Jean-Yves Baugnée
young, mining, larva
older, free living, larva
Vaccinium vitis-idaea, Belgium, prov. Liège, Lierneux, fagne de la Crépale: spun apical leave; © Jean-Yves Baugnée
Vaccinium vitis-idaea. England, Yorkshire © Charlie Streets
Large full depth blotch or broad corridor, with much frass, either dispersed or heaped near the start of the mine. After some time he larvae leave their mine, and continue feeding among spun leaves.
Ericaceae, narrowly monophagous
Larvae until April (Hering, 1957a).
BE recorded (Phegea, 2009).
NE recorded (Kuchlein & de Vos, 1999a; Microlepidoptera.nl, 2009).
LUX recorded (Fauna Europaea, 2009).
distribution within Europe
From Fennoscandia and northern Russia to the Pyrenees and Italy, and from Britain to Romania.
Mining larva whitish, with a brown head and prothoracic plate; thoracic feet and small pinacula black. Prolegs with c. 40 hooks, anteriorly in a single row, posteriorly in a double row (Swatschek, 1958a). No anal comb (Swatschek, Bradley ao, 1979a).
See Patočka & Turčáni.
Bradley, Tremewan & Smith (1979a), Disqué (1905a), Gielis, Huisman, Kuchlein ao (1985a), Hancock & Bland (2015b), Hering (1957a), Klimesch & Skala (1936a), Kuchlein & Donner (1991a), Kuchlein & de Vos (1999a), Maček (1999a), Patočka & Turčáni (2005a), Skala (1951b), Šumpich (2011b), Swatschek (1958a), Szőcs (1977a), Zoerner (1970a).