| Danube clouded yellow | |
|---|---|
| |
| Conservation status | |
 Endangered (IUCN 3.1) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Pieridae |
| Genus: | Colias |
| Species: | C. myrmidone |
| Binomial name | |
| Colias myrmidone Esper, 1780 | |
Colias myrmidone, the Danube clouded yellow, is a butterfly in the family Pieridae.
Distribution
It is found from Western Asia, through Southern Russia, Ukraine, Romania, Hungary up to Austria and the Jura Mountains near Regensburg in Germany.
Description
The wingspan is 44–50 mm (1.7–2.0 in). the butterflies of the second generation are often slightly larger than those of the first generation. The wing uppers of the males are bright orange-yellow in ground colour and have a dark edge that is not dusted. The dark border is narrower on the hind wingsand not broken through by veins (in contrast to Colias crocea ). The wing uppers of the females are orange-yellow to greenish-white ( C. myrmidone f. alba ) in colour and have a dark, dusty border. On the hind wings, the spots of the submarginal region often form a continuous band.In both sexes there is a red spot in the cell on the underside of the hindwing, the underside of the forewing has faint black spots in the postdiscal region
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Colias myrmidone ♂
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Colias myrmidone ♂ △
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Colias myrmidone ♀
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Colias myrmidone ♀ △
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_Colias_myrmidone_myrmidone_-_Star%C3%A1_Tur%C3%A1_Slovaquie_-_male_ventral.jpg)
_Colias_myrmidone_myrmidone_-_Star%C3%A1_Tur%C3%A1_Slovaquie_-_female_dorsal.jpg)
_Colias_myrmidone_myrmidone_-_Star%C3%A1_Tur%C3%A1_Slovaquie_-_female_ventral.jpg)
Biology
The larvae feed on species of the flowering plant in the genus Chamaecytisus including Chamaecytisus ratisbonensis, Chamaecytisus ruthenicus and Chamaecytisus supinus. Dwarf broom prefers nutrient-poor grassland, as it is quickly overgrown by other plants on fertilized, nutrient-rich soil. But the caterpillars of the butterfly are also dependent on the soil on which their food plants grow being not oversaturated with nutrients. Because if the plants have taken up too much nitrogen from the soil, the caterpillars can not tolerate it and die.
The butterfly flies in May and again from July to August in two generations.
Etymology
Named in the Classical tradition. In Greek mythology Myrmidone, is one of the Danaïdes, who married and killed Mineus, a son of Aegyptus.
Similar species
- Colias hyale
- Colias alfacariensis
- Colias crocea
- Colias phicomone
- Colias palaeno
- Colias chrysotheme
- Colias erate
References
- ^ van Swaay, C.; Wynhoff, I.; Verovnik, R.; Wiemers, M.; López Munguira, M.; Maes, D.; Sasic, M.; Verstrael, T.; Warren, M.; Settele, J. (2010). "Colias myrmidone (Europe assessment)". IUCN Red List of Threatened Species. 2010: e.T174283A7042701. Retrieved 14 September 2024.
- Lionel G. Higgins, Norman D. Rilley: The Butterflies of Europe and Northwest Africa (A Field Guide to the Butterflies of Britain and Europe). Paul Parey Publishers, 1971, ISBN 3-490-02418-4 .
- "Danube Clouded Yellow Butterfly - Colias myrmidone - Details - Encyclopedia of Life". Encyclopedia of Life. Retrieved 17 August 2018.
External links
Media related to Colias myrmidone at Wikimedia Commons- Taxonomy and photos
- Fauna Europaea
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