Stigmella myrtillella is a moth of the family Nepticulidae. It is found from Fennoscandia and northern Russia to the Pyrenees, Italy and Bulgaria, and from Ireland to Ukraine.
The wingspan is 5,4-6,3mm. The head is ferruginous-yellowish, collar paler. Antennal eyecaps whitish. Forewings dark fuscous, faintly purple-tinged; a rather oblique somewhat shining whitish fascia beyond middle; outer half of cilia ochreous-white. Hindwings light grey.[1]
Adults are on wing in May and June.
The larvae feed on Vaccinium myrtillus and Vaccinium uliginosum. They mine the leaves of their host plant. The mine consists of a contorted gallery and often a secondary blotch. The frass is concentrated in a thick central line. Pupation takes place outside of the mine.
References
Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London
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