Red Birch Slender Caloptilia betulicola
Back To (Hering, 1928)
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
Gracillariidae » Gracillariinae
Very similar to C. elongella, both species being quite variable. It is possible to identify either species from the foodplant if the moth is reared from the larva, but adults located in mixed habitat should be treated with more caution and may need to be dissected.
Caution Similars C. elongella
Foodplant: As implied by the name, the foodplant of the present species is birch (Betula), the larva mining the leaves initially and then living inside a rolled leaf in later instars. Two generations of the Red Birch Slender moth fly each year: the first in June and July, and the second in September and October. This later generation over-winters as an adult and often reappears early in the following spring.