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Cicadas beneficial to flower and fruit yields

An Entomologist says cicadas are making their return this summer and while the pests may not harm row crops; tree farms, orchards, and nurseries should be cautious.

Dr. Gene Kritsky from Mount St. Joseph University in Cincinnati says small trees can be damaged, but for larger trees and shrubs, damage acts more like a natural pruning.

“Especially in the higher portions of the canopy where people can’t get to easily. It’s generally considered to be an overall benefit because next year areas that are hit with a good population this year will find a greater flower set and fruit set next years.” said Kritsky.

Kritsky says cicadas thrive on water, and maintain health in drier years by burrowing underneath the bark of trees. He tells Brownfield Cicadas typically return each summer but one breed of cicadas is marking its return this year.

“This year eastern Ohio has seen Brood V (5), and that last appeared in 1999. I mapped them out then and I’m working to map them out again this year.” said Kritsky.

Kritsky says Breed Five cicadas are periodicals and return every 17 years.

Audio: Full interview with Dr. Gene Kritsky