Fig. 2From: Is a change in juvenile hormone sensitivity involved in range expansion in an invasive beetle?Burrowing proportion of three European L. decemlineata populations treated with H17, acetone or JHA and reared in either a (a/c) short or (b/d) long photoperiod. a and b show absolute burrowing proportion while c and d show burrowing proportion relative to the acetone control (no difference = 1). N = 32–42 per groupBack to article page