Wagner, David L.; Van Driesche, Roy G. (January 2010). "Threats Posed to Rare or Endangered Insects by Invasions of Nonnative Species". Annual Review of Entomology. 55 (1): 547–568. doi:10.1146/annurev-ento-112408-085516. PMID19743915.
van Strien, Arco J.; van Swaay, Chris A. M.; van Strien-van Liempt, Willy T. F. H.; Poot, Martin J. M.; Wallis De Vries, Michiel F. (27 March 2019). "Over a century of data reveal more than 80% decline in butterflies in the Netherlands". Biological Conservation. 234: 116–122. Bibcode:2019BCons.234..116V. doi:10.1016/j.biocon.2019.03.023. S2CID133314379.
van Strien, Arco J.; van Swaay, Chris A. M.; van Strien-van Liempt, Willy T. F. H.; Poot, Martin J. M.; Wallis De Vries, Michiel F. (27 March 2019). "Over a century of data reveal more than 80% decline in butterflies in the Netherlands". Biological Conservation. 234: 116–122. Bibcode:2019BCons.234..116V. doi:10.1016/j.biocon.2019.03.023. S2CID133314379.
Wagner, David L.; Van Driesche, Roy G. (January 2010). "Threats Posed to Rare or Endangered Insects by Invasions of Nonnative Species". Annual Review of Entomology. 55 (1): 547–568. doi:10.1146/annurev-ento-112408-085516. PMID19743915.
van Strien, Arco J.; van Swaay, Chris A. M.; van Strien-van Liempt, Willy T. F. H.; Poot, Martin J. M.; Wallis De Vries, Michiel F. (27 March 2019). "Over a century of data reveal more than 80% decline in butterflies in the Netherlands". Biological Conservation. 234: 116–122. Bibcode:2019BCons.234..116V. doi:10.1016/j.biocon.2019.03.023. S2CID133314379.