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Clostera Samouelle, 1819
This genus is widely distributed, mainly in the northern hemisphere. It contains around 40 species of medium-size moths with a typical wingspan 2½ to 4 cm. The adults are mostly brownish or grayish. The legs are densely covered with hairs.
The caterpillars feed between spun leaves, mainly on poplar and willow trees. Some species, e.g. the poplar tip moth (Clostera anastomosis), are pests which can defoliate trees.
Currently, the following species have been entered into the system: