autumn bush butterfly Danaus plexippus fall flower flutterby garden insect Lepidoptera Monarch natural nature plant spring summer wanderer weed white ala América del Sur anaranjado black blue Danaus detail detalle dots erippus macro mariposa monarca orange outdoors plexippus polka dots scales south america spots Sudamérica Suramérica texture wing feeding flowers Hula Valley invertebrate Israel lythrum milkweed rest rhopalocera wings