rare species in Belgium.
larvae feed on Acer campestre and to a much lesser
extent on Acer platanoides. Initially
it makes a full depth blotch mine and later it forms successive cones
by curling a portion of the leaf downwards. Pupation takes places
nearby the cones on the underside of the leaf close to a vein.
adults fly in two generations a year; during July and early August and
again from September towards May. They come sparsely to light.
All Acer-feeding Caloptilia
species are belonging to a group were evolution is still in progress.
Some taxa are very similar genetically and difference in DNA structure
is minimal. Due its variability and resemblance to different species
like C. fribergensis and
several others, it is necessary to examine the genitalia.
Hainaut, Virelles, 01 January 2011.
© Steve Wullaert)