The holes cicadas emerge from allow sunlight, air, water, and nutrients into the soil at greater depths.
Tom O Dell, collections and natural areas specialist at U-M s Matthaei Botanical Gardens, recalls the last time 17-year cicadas visited the Ann Arbor area and offers answers to the commonly asked questions and offers the following advice.
What was it like in the U-M botanical gardens the last time the Brood X cicadas emerged?
I remember seeing cicadas in a grove of buckeye trees. There were thousands of individuals on the branches and trunks. And though they were concentrated in the buckeyes, they did lay eggs on other tree species in the immediate area such as ash, oak and black cherry.