The range of periodical cicadas, Magicicada spp. Periodical cicadas lay their eggs on numerous tree species, favoring oaks, hickory, honeylocust, hawthorn, dogwood, apple, peach, pear, elm, ash, walnut and sycamore.
Conifers appear to be free of attack.
She then will move forward, cutting a new pocket, and lay more eggs. This process may be repeated several times and may produce a continuous slit along the length of the twig. Leaves of the attacked branch can wither and turn brown, and smaller infested branches may break off the following year. Such damage can be serious to young transplanted trees in nurseries and orchards. Egg slits on twig.