EUROPEAN JOURNAL OF ENTOMOLOGYENTOMOLOGY ISSN (online): 1802-8829 Eur. J. Entomol. 113: 446–455, 2016 http://www.eje.cz doi: 10.14411/eje.2016.058 ORIGINAL ARTICLE Genetic identifi cation of a non-native species introgression into wild population of the fi eld cricket Gryllus campestris (Orthoptera: Gryllidae) in Central Europe HANNA PANAGIOTOPOULOU 1, 2, *, MATEUSZ BACA 3, *, KATARZYNA BACA 4, PAWEŁ SIENKIEWICZ 5, PIOTR ŚLIPIŃSKI 1 and MICHAŁ ŻMIHORSKI 6, 7, ** 1 Museum and Institute of Zoology, Polish Academy of Sciences, Wilcza 64, 00-679 Warsaw, Poland; e-mails:
[email protected],
[email protected] 2 Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, 02-106 Warsaw, Poland 3 Center for Precolumbian Studies, University of Warsaw, Krakowskie Przedmieście 26/28, 00-927 Warsaw, Poland; e-mail:
[email protected] 4 Institute of Genetics and Biotechnology, Department of Biology, University of Warsaw, Pawińskiego 5a, 02-106 Warsaw, Poland; e-mail:
[email protected] 5 Department of Entomology and Environmental Protection, Poznań University of Life Sciences, Dąbrowskiego 159, 60-594 Poznań, Poland; e-mail:
[email protected] 6 Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120 Kraków, Poland 7 Department of Ecology, Swedish University of Agricultural Sciences, Box 7044, SE 750 07 Uppsala, Sweden Key words. Orthoptera, Gryllidae, Gryllus campestris, Gryllus bimaculatus, conservation, mtDNA, microsatellite loci, X-chromosome-linked markers Abstract. Two species of the genus Gryllus occur in Europe: G. campestris and G. bimaculatus. The fi rst is widely distributed in the north-western Palaearctic, while the second, G.