Cicadas are pests in the order of Hemiptera. They look like huge flies, their eyes are prominent and set large apart providing an evil sort of look. Cicadas are frequently referred to as locusts because of their size. They are not hazardous to humans and do not bite or sting, but may mistake a person's arm or there part of their body for a tree or plant limb and attempt to feed. Cicadas have a long proboscis, under their head, which they place into plant stems in order to eat sap.
Starting about the 3rd week of May in areas that they are because of emerge, through June the young will dig themselves out of the ground in big numbers. They will crawls to the nearby tree, shrub or other surface area. Here they will shed their skins and their wings will emerge. The adult Cicada is about 1-1/2" long. The males produce a loud, high-pitched whine to draw in women. About 10 days after the males sing their love song, the women begin to lay their eggs. It is the egg laying woman that causes the most damage to trees.
Cicadas can trigger damage to a number of crops, shrubs and trees, generally through scarring left on trees while the women lay their eggs deep in branches. It is the "17-year" Cicada that many people fear. These bugs emerge form easy tree service the ground by the thousands every 13 to 17 years. They cover trees, shrubs, and other plants then molt into adulthood. As soon as the adult males discover their mates, it is the egg-laying women that damage trees. She will make a channel in little branches and deposit her eggs in the holes, the impacted branches will brown and wilt.
The trees that are most vulnerable to damage are young trees and decorative fruit trees. Their little branches are extremely attractive to the female cicadas for laying her eggs, the young tree may lose most if not all of its branches. Cicadas will normally want to lay their eggs on dogwoods, oad, maples and various kinds of fruit trees.
If the periodical or "17-year" cicada bugs are because of reemerge in your area you need to protect your trees with 1/4" fit together Cicada netting. The small mesh size will make it difficult for the bugs to crawl through and get to the tree. Curtain the Cicada netting over the whole tree and secure it to the trunk so that no cicadas can crawl under the opening. You will need to put the netting in location prior to the Cicadas emerge from the ground. As soon as the bugs are gone simply get rid of the netting and enjoy your stunning, healthy tree.