
Here's what I found on the intenet, "Cicadas are notorious singers. The song is a mating call produced by the males only. Each species has its own distinctive call and only attracts females of its own kind even though rather similar species may co-exist. Cicadas are the only insects to have developed such an effective and specialised means of producing sound. Some large species such as the Greengrocer/Yellow Monday and the Double Drummer produce a noise intensity in excess of 120 dB at close range (this is approaching the pain threshold of the human ear)."
Sure enough, from Kansas City and East from there we have heard many trees that sing... and many that don't. Apparently, Cicada's like certain trees better than others.
I'm glad you posted about the Cicadas. Our trees were singing awhile back & I knew it was a bug of some sort from searching on the Internet before. I'd forgotten the name until you mentioned it. We went online & listened to several different sounds of various species and heard what our trees sounded like, as well as some sounds we thought were birds!
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