Monochroa melagonella
Monochroa melagonella is a moth of the family Gelechiidae. It was described by Constant in 1895. It is found in Portugal, Spain, France, Italy and on Cyprus. The wingspan is about 8 mm. The larvae feed on "Rubia peregrina" and "Rubia tenuifolia". They mine the leaves of their host plant. The mine has the form of a large, transparent blotch. The frass is dispersed in black grains. Larvae can be found from March to July.