Butterflies of Kaliningrad Oblast

Kaliningrad Oblast: the western outpost

Kaliningrad Oblast is Russia’s westernmost region, separated from the country’s main territory. Its nature is more closely linked to Poland and Lithuania than to Central Russia. This is reflected in the butterfly fauna: about 90 species, some of which do not occur elsewhere in the country.

Unique features of the fauna

West European elements

Species with Central and West European ranges live in Kaliningrad Oblast:

• White-letter hairstreak (Satyrium w-album) — dark hairstreak with a W-shaped mark
• Several species of the genus Erebia — alpine ringlets, here at the western edge of their range
• High brown fritillary — rich wet meadows

Dune biotopes of the Curonian Spit

The unique dune landscapes of the Curonian Spit support a specialized butterfly community. Dune meadows, pine woods, and rowan thickets alternate, creating a mosaic of biotopes.

Wet meadows and floodplains

Extensive marshy meadows and river floodplains are the richest sites in the oblast by species number. Numerous blues, checkerspots, and fritillaries fly here.

Migratory species

Kaliningrad is a region on migration routes. In August–September huge numbers of painted lady (Vanessa cardui) and red admiral (Vanessa atalanta) gather during the autumn flight.

Best sites

Curonian Spit — dune meadows and forest edges, autumn concentrations of migrants.

Pregolya River valley — rich wet meadows with blues and checkerspots.

Vishytinetsky Sanctuary — lake region in the east of the oblast with diverse biotopes.

Seasonal calendar

For comparison with West European species see butterflies of Europe.