Several days in advance, cut two 6 in. pieces of licorice for antennae. Roll into curls; let dry.
Bake and cool two 1-layer heart cakes and 4 mini ball cakes. Tint two boxes of fondant orange and 1/2 box yellow. Prepare cakes by lightly icing with buttercream and cover with fondant. Smooth with Easy-Glide Smoother.
Tint a 1 in. diameter ball of fondant lime green (combine yellow and green to achieve shade). For spots on wings, cut dots from fondant with large opening of tip 2A; attach with brush dipped in water.
Tint remaining fondant rose; roll out into four 5/8 in. diameter ropes, 10 inches long. Position ropes on cake with brush dipped in water.
Attach chocolate candy eyes with buttercream icing. Cut and attach pieces of shoestring licorice for mouth and eyelashes with buttercream. Insert antennae.