...Yuji Matsuoka; Antónia Monteiro ABSTRACT Nymphalid butterfly species often have a different number of eyespots in forewings and hindwings, but how the hindwing identity gene Ultrabithorax ( Ubx ) drives this asymmetry is not fully understood. We examined a three-gene regulatory network for eyespot...

...Vernon French; Paul M. Brakefield ABSTRACT We have studied the development of the eyespot colour pattern on the adult dorsal forewing of the nymphalid butterflies, Bicyclus safitza and B. anynana , by cauterising the presumptive eyespot centres (the foci) on the pupal wing. The effects on pattern...