▁mel an og aster ▁females ▁over ▁females ▁of ▁other ▁species ▁or ▁even ▁other ▁male ▁f lies . ▁However , ▁after ▁D . ▁sim ul ans ▁or ▁other ▁f lies ▁in cap able ▁of ▁cop ulation ▁have ▁rejected ▁the ▁males ’ ▁adv ances , ▁D . ▁mel an og aster ▁males ▁are ▁much ▁less ▁likely ▁to ▁spend ▁time ▁cour ting ▁n ons pec ific ally ▁in ▁the ▁future . ▁This ▁apparent ▁learned ▁behavior ▁modification ▁seems ▁to ▁be ▁evolution arily ▁significant , ▁as ▁it ▁allows ▁the ▁males ▁to ▁avoid ▁invest ing ▁energy ▁into ▁fut ile ▁sexual ▁enc oun ters . ▁ ▁In ▁addition , ▁males ▁with ▁previous ▁sexual ▁experience ▁modify ▁their ▁court ship ▁dance ▁when ▁attempting ▁to ▁mate ▁with ▁new ▁females — the ▁experienced ▁males ▁spend ▁less ▁time ▁cour ting , ▁so ▁have ▁lower ▁m ating ▁laten cies , ▁meaning ▁that ▁they ▁are ▁able ▁to ▁reproduce ▁more ▁quickly . ▁This ▁decre ased ▁m ating ▁laten cy ▁leads ▁to ▁a ▁greater ▁m ating ▁efficiency ▁for ▁experienced ▁males ▁over ▁na ï ve ▁males . ▁This ▁modification ▁also ▁appears ▁to ▁have ▁obvious ▁evolution ary ▁advantages , ▁as ▁increased ▁m ating ▁efficiency ▁is ▁extremely ▁important ▁in ▁the ▁eyes ▁of ▁natural ▁selection . ▁ ▁Pol yg amy ▁ ▁Both ▁male ▁and ▁female ▁D . ▁mel an og aster ▁f lies ▁act ▁pol yg am ously ▁( h aving ▁multiple ▁sexual ▁partners ▁at ▁the ▁same ▁time ). ▁In ▁both ▁males ▁and ▁females , ▁pol yg amy ▁results ▁in ▁a ▁decrease ▁in ▁evening ▁activity ▁compared ▁to ▁vir gin ▁f lies , ▁more