“…Whereas G. pusilla has a strong capacity to encapsulate wasp eggs, encapsulation is rarely observed in G. calmariensis , and at an intermediate frequency in G. tenella (Fors, Markus, Theopold, Ericson, & Hambäck, 2016;Fors et al, 2014). These differences also match selection by wasp females to larval odour cues (Fors, Mozūraitis, Blažytė-Čereškienė, Verschut, & Hambäck, 2018) We collected 45 adult individuals, 15 samples from eachGalerucella species, during May and June 2019 from the following sites: three G. calmariensis populations: Norrfjärden (62°3'28"N, 17°26'18"E), Våtnäs (61°32'93"N, 17°12'77"E ) and Hölick (61°37'22"N, 17°27'18"E); three G. pusilla populations: Rastsjön (60°6'36"N, 17°53'97"E ), Lörudden (62°14'14"N, 17°39'12"E) and Haversjön (59°2'31"N, 17°9'49"E); three G. tenella populations: Umeå-1 (63°46'72"N, 20°36'00"E ), Umeå-2 (63°46'36"N, 20°37'48"E ) and Umeå-3 (63°47'18"N, 20°35'89"E ). For each population, five individuals were sampled.…”