Fig. 18From: Forewing color pattern in Micropterigidae (Insecta: Lepidoptera): homologies between contrast boundaries, and a revised hypothesis for the origin of symmetry systemsPossible origination of wing patterns with more than six fasciae. a Ancestral wing patterns are comprised of dark bands straddling alternating veins, as in Micropterix, Sabatinca doroxena, etc. b Derived wing patterns include spots that straddle all veins at the costa, as in Sabatinca demissa. c Each spot along the costa could extend into a band that reaches the dorsumBack to article page