Eastern Short-tailed Blue (Cupido decoloratus)
| Family | Lycaenidae |
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| Subfamily | Polyommatinae |
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| Genus | Cupido |
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| Species | decoloratus |
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| Authority | (Staudinger, 1886) |
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| English Name | Eastern Short-tailed Blue |
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| European Red List 2010 | Near Threatened (NT) |
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| EU 27 Red List 2010 | Least Concern (LC) |
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| European Red List 2025 | Least Concern (LC) |
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| EU 27 Red List 2025 | Least Concern (LC) |
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| Habitats Directive | |
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| Bern Convention | |
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| CITES | |
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Description
The Eastern Short-tailed Blue occurs in clearings in deciduous woodland, and on flower-rich, grassy
vegetation with scattered bushes. The caterpillars feed on the flowerheads of Black Medick (Medicago
lupulina), and Lucerne (M. sativa). The Eastern Short-tailed Blue has three generations a year and
hibernates as a caterpillar.
Distribution
Albania / Austria / Belarus / Bosnia and Herzegovina / Bulgaria / Croatia / Czechia / Greece / Greece: Mainland / Hungary / North Macedonia / Moldova / Montenegro / Poland (Irregular Vagrant) / Romania / European Russia / Serbia / Serbia: Serbia / Serbia: Kosovo / Slovakia / Slovenia / Ukraine /
Larval Foodplants
| # | Order | Family | Genus | Species | Vernacular Name | Link | | 1 | Fabales | Fabaceae | Medicago | lupulina | Black Medick | |
