About Perizoma hydrata (Treitschke, 1829)
Perizoma hydrata is a moth species belonging to the family Geometridae. This species is distributed across most of Europe and the Caucasus, extending through western Siberia to the Sayan Mountains, the Altai, and northern Mongolia. Its wingspan measures 18 to 22 mm. Perizoma hydrata produces one generation each year, with adult moths active from late May through July. The larvae of this moth feed on species in the plant family Caryophyllaceae, specifically targeting Silene nutans, Silene cucubalus, Silene viscaria, and Melandrium album. The larvae feed on the plant's capsules, and can be found from June to July. This species overwinters in its pupal stage.