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Summer’s End: Farewell Cicadas & Walnuts

  1. CicadaWalnuts06Fall has definitely arrived to the Chicago area, and with it the end to the summer’s familiar ambient buzzing sound coming from the native cicada. This year’s brood was the annual cicada, which according to Wkipedia, are also known as the dogday cicada or harvestfly, though I’ve never heard them called either. cicadaI’ve taken some artistic license and depicted the orange eyed and wing tipped 17 year cicada (aka. the periodical cicada) who, according to the “Chicago Botanic Garden website”, aren’t expected to emerge until 2024.

As for the walnuts; our next door neighbor’s grand & glorious walnut tree has branches which extend over our fence, towering far above our driveway. Throughout the later summer months, the sound of squirrels cracking open the hard shells can be head clearly and constantly across the back yard. walnutsThe falling nuts striking the metal garbage can lids from 20-30 feet act as a warning gong for anyone passing beneath. They’re fairly substantial and a direct hit on the head could lead to hospitalization or, at the least, a nasty bump.

Like cicadas emergences, walnut tree production can vary greatly from year to year, and may be on an “alternate bearing” schedule, producing nuts one year and reserving their resources the next. As it happens, this was a very bountiful year for our neighbor’s walnut tree, with a sea of green, nearly lime-sized walnuts dotting the rear part of our driveway. Later, those that remain after the squirrels have had their fill take on the familiar wrinkled, brown look of dried walnut shells. As a bonus, I’ve discovered that disabling the electric eye on the garage door results in a powerful nutcracker.

For more info:

“University of Illinois extension: Cicadas in Illinois”

“Morton Arboretum:Black Walnut Tree”

 

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