{"id":969,"date":"2025-08-01T12:23:17","date_gmt":"2025-08-01T12:23:17","guid":{"rendered":"https:\/\/macrostock.eu\/?p=969"},"modified":"2025-08-01T12:23:17","modified_gmt":"2025-08-01T12:23:17","slug":"scarce-heath-coenonympha-hero-2","status":"publish","type":"post","link":"https:\/\/macrostock.karits.eu\/index.php\/2025\/08\/01\/scarce-heath-coenonympha-hero-2\/","title":{"rendered":"Scarce Heath (Coenonympha hero)"},"content":{"rendered":"\n
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Download image<\/a><\/div>\n<\/div>\n\n\n\n

Scarce Heath (Coenonympha hero<\/em>)<\/h3>\n\n\n\n

The Scarce Heath<\/strong> is a delicate and uncommon species of satyrid butterfly found in temperate parts of Europe and Asia. Preferring moist meadows and forest clearings, it is a rather elusive species that often goes unnoticed due to its quiet behavior and subtle coloring. Its rarity in many parts of its range makes it of significant conservation interest.<\/p>\n\n\n\n

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\ud83e\udd8b Identification<\/h2>\n\n\n\n
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  • Wingspan<\/strong>: 28\u201336 mm<\/li>\n\n\n\n
  • Flight<\/strong>: Weak and fluttery, close to vegetation<\/li>\n<\/ul>\n\n\n\n

    Appearance<\/strong>:<\/h3>\n\n\n\n
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    • Upperside<\/strong>: Uniform brown to orange-brown; not often seen as the butterfly usually rests with wings closed.<\/li>\n\n\n\n
    • Underside of hindwings<\/strong>:\n
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      • Pale brown to greyish<\/li>\n\n\n\n
      • Distinctive white band<\/strong> with a row of black eyespots<\/strong> (ocelli), each ringed with yellow<\/li>\n<\/ul>\n<\/li>\n\n\n\n
      • Forewing underside: Orange-brown, often with lighter shading<\/li>\n<\/ul>\n\n\n\n

        Compared to similar species like the Small Heath (Coenonympha pamphilus<\/em>)<\/strong>, the Scarce Heath has a more sharply defined row of eyespots on the hindwing underside.<\/p>\n\n\n\n

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        \ud83c\udf3f Habitat<\/h2>\n\n\n\n
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        • Prefers moist, sunny meadows<\/strong>, wet grasslands<\/strong>, and forest edges<\/strong> with tall herbaceous vegetation<\/li>\n\n\n\n
        • Often found in river valleys<\/strong>, boggy clearings<\/strong>, or damp pastures<\/strong><\/li>\n<\/ul>\n\n\n\n

          The presence of host plants<\/strong> and a mosaic of open and semi-shaded areas<\/strong> is crucial.<\/p>\n\n\n\n

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          \ud83c\udf7d\ufe0f Diet<\/h2>\n\n\n\n

          Caterpillars feed on grasses<\/strong>, including:<\/h3>\n\n\n\n
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          • Poa<\/strong> (bluegrass)<\/li>\n\n\n\n
          • Festuca<\/strong> (fescue)<\/li>\n\n\n\n
          • Possibly Molinia<\/strong> (purple moor-grass) and other damp-loving grasses<\/li>\n<\/ul>\n\n\n\n

            Adults<\/strong>:<\/h3>\n\n\n\n
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            • Feed on nectar<\/strong> from low-growing wildflowers, especially:\n
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              • Buttercups<\/li>\n\n\n\n
              • Vetches<\/li>\n\n\n\n
              • Clovers<\/li>\n\n\n\n
              • Wild thyme (regionally)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n
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                \ud83d\udd01 Behavior & Life Cycle<\/h2>\n\n\n\n
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                • Flight period<\/strong>:\n
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                  • Typically May to July<\/strong>, depending on latitude and altitude<\/li>\n<\/ul>\n<\/li>\n\n\n\n
                  • Voltinism<\/strong>:\n
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                    • Univoltine<\/strong> (one generation per year)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                      Life cycle<\/strong>:<\/h3>\n\n\n\n
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                      • Eggs laid singly on or near host grasses<\/li>\n\n\n\n
                      • Caterpillars develop slowly and overwinter in the larval stage<\/strong><\/li>\n\n\n\n
                      • Pupation occurs in spring, with adults emerging in early summer<\/li>\n<\/ul>\n\n\n\n

                        Behavior<\/strong>:<\/h3>\n\n\n\n
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                        • Males patrol low over vegetation for females<\/li>\n\n\n\n
                        • Adults rest with closed wings and are difficult to spot<\/li>\n\n\n\n
                        • Timid and rarely stray far from suitable habitat<\/li>\n<\/ul>\n\n\n\n
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                          \ud83c\udf0d Distribution<\/h2>\n\n\n\n
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                          • Found in central and eastern Europe<\/strong>, extending into:\n
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                            • Russia<\/strong>, Ukraine<\/strong>, Baltic States<\/strong><\/li>\n\n\n\n
                            • Scandinavia<\/strong> (locally)<\/li>\n\n\n\n
                            • Parts of northern and central Asia<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                              Absent from much of western and southern Europe.<\/p>\n\n\n\n

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                              \ud83e\uddec Interesting Facts<\/h2>\n\n\n\n
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                              • The name “Scarce Heath” reflects its limited and fragmented distribution in much of Europe.<\/li>\n\n\n\n
                              • Sensitive to habitat changes; survives best in traditional wet meadow systems<\/strong>.<\/li>\n\n\n\n
                              • Part of a genus (Coenonympha<\/em>) known for cryptic species with subtle wing differences.<\/li>\n<\/ul>\n\n\n\n
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                                \ud83d\udee1\ufe0f Conservation Status<\/h2>\n\n\n\n
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                                • IUCN Red List<\/strong>: Least Concern (globally), but locally threatened or rare<\/strong> in parts of Europe<\/li>\n\n\n\n
                                • Threats include:\n
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                                  • Drainage of wetlands<\/strong><\/li>\n\n\n\n
                                  • Intensive agriculture<\/strong><\/li>\n\n\n\n
                                  • Habitat fragmentation<\/strong><\/li>\n\n\n\n
                                  • Succession<\/strong> due to cessation of traditional grazing or mowing<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                                    Conservation actions focus on:<\/p>\n\n\n\n

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                                    • Preserving wet meadows<\/strong><\/li>\n\n\n\n
                                    • Restoring traditional land management<\/strong> (mowing, grazing)<\/li>\n\n\n\n
                                    • Protecting known populations through habitat maintenance<\/li>\n<\/ul>\n\n\n\n
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                                      The Scarce Heath (Coenonympha hero<\/em>)<\/strong> is a quiet symbol of Europe’s wet grasslands and forest glades. Its understated beauty and sensitivity to ecological changes make it an important species for conservation, representing the delicate balance of semi-natural habitats.<\/p>\n\n\n\n