Funding for this research was provided by:
German Scicne Foundation (GRK 1319)
Received: 20 September 2018
Accepted: 25 December 2018
First Online: 17 January 2019
Ethics approval and consent to participate
: Our study had permissions from the Bucegi Natural Park. No butterflies were harmed or killed for this study.
: Not applicable.
: The authors declare that they have no competing interests.
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