Catalogus Lepidopterorum Sueciae is a summary of all butterfly species found in Sweden.
The catalogue was first published in 1994 and has since then been revised and updated yearly. The main source of information for the updates is Entomologisk tidskrift, published by SEF.
The catalogue has two sheets. The species are the same in both.
"CATLEP2003" is a catalogue listed per species and province of all butterflies found in Sweden. In "CATLEPARTAL" province is replaced by the year, from 1974 onward, the species was published in Entomologisk tidskrift. If found before 1974, the province is listed instead. Latest update: January 2015.
Catalogus Lepidopterorum Sueciae is available for download at the bottom of the page Svenska fjärilar.
The catalogue is compiled by Bert Gustafsson.