Comparison of the 2R chromosome arm between B. dorsalis s.s . and its hybrids with B. carambolae and B. invadens. a) chromosome arm 2R of the F1 hybrid of B. dorsalis s.s. × B. carambolae, b) reference map of chromosome arm 2R of B. dorsalis s.s. and c) chromosome arm 2R of the F1 hybrid of B. dorsalis s.s. × B. invadens. Note the banding pattern similarity. Scale bar represents 10 μm.