Fig. 2

The two existing hypotheses for the origin of symmetry systems from primitive microlepidopteran wing pattern elements. a Lemche’s “split-band” hypothesis. b Nijhout’s “fused-spot” hypothesis
The two existing hypotheses for the origin of symmetry systems from primitive microlepidopteran wing pattern elements. a Lemche’s “split-band” hypothesis. b Nijhout’s “fused-spot” hypothesis