The Violet Copper is a rare butterfly that is often confined to very small sites, where it may be seen in large numbers. It is found in swampy, wet grassland with sufficient wind shelter (shrub, forest edges) and rough vegetation bordering streams and lakes. In Central Europe, eggs are laid on the underside of the leaves of Bistort (Polygonum bistorta). In Transylvania mostly humid or damp oak forest clearings with mosaic-like vegetation. In the north of its range Viviparous Bistort (Polygonum vivipara) is also used as larval foodplant. The young caterpillars eat the lower epidermis, thus making the characteristic “windows”. It passes the winter as a pupa. Its western populations have one, the eastern populations mostly two generations a year. Habitats: humid grasslands and tall herb communities (37%), alpine and subalpine grasslands (10%), water-fringe vegetation (8%), fens, transition mires and springs (8%), dry calcareous grasslands and steppes (5%), mesophile grasslands (5%).
Molecular Biology and Genetics
Barcode data: Lycaena helle
Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.
See the BOLD taxonomy browser for more complete information about this specimen and other sequences.
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Download FASTA File
Statistics of barcoding coverage: Lycaena helle
Public Records: 10
Specimens with Barcodes: 21
Species With Barcodes: 1
The wingspan is 24–26 mm. The butterfly flies from May to July depending on the location.
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