newly emerged seventeen-year cicada waits for its wings to harden

animal arthropod auchenorrhyncha bug cicada cicadidae cicadoidea cigara close closeup cricket ecology emerge exoskeleton exuvia feeder hemiptera hexapod imago insect instar invertebrate jarfly locust macro magicicada metamorphosis nature nymph orthoptera periodical pharaoh roots sap septendecim seventeen sucker summer tree twig tzitzikas wildlife xylem year