Caryocolum petrophila is a moth of the family Gelechiidae. It is found in France, Italy, Austria, Switzerland, Estonia, Scandinavia, North Macedonia and Russia.Fauna Europaea It is also found in Turkey. et al. 2010: The gelechiid fauna of the southern Ural Mountains, part II: list of recorded species with taxonomic notes (Lepidoptera: Gelechiidae). Zootaxa, 2367: 1–68. Preview
The length of the forewings is 5–6 mm for males and about 5 mm for females. Adults have been recorded on wing from June to mid-September.
The larvae feed on Cerastium arvense and Stellaria graminea. Young larvae mine the leaves of their host plant. Larvae can be found from May to June.
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