Archived posting to the Leica Users Group, 2009/09/03

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Subject: [Leica] IMG: Noisy Insect
From: jsmith342 at (Jefffery Smith)
Date: Thu, 3 Sep 2009 18:00:16 -0500
References: <48078C4D715B4B1F8AD8B8C16C5156E2@jimnichols>

Their method of making that noise is  interesting. They have a drum- 
head like diaphragm on either side of the body with 4 folds in it.  
Pulling on the diaphragm (with a muscle) causes 4 consecutive  
"banging" noises, like squeezing an empty plastic water bottle. They  
alternate doing the left and right side diaphragms, and that means two  
muscle contractions cause 8 loud banging noises. In the oaks down here  
in the Garden District, it sounds like people with chain saws.

By the way, these are the bugs whose nymph stage lasts 17 years. After  
17 years, the nymph crawls up the side of a tree, and later hatches  
out of a skin to become an adult cicada. The "shells" that someone  
mentioned is the cast-off nymph shell.


On Sep 3, 2009, at 12:08 PM, Jim Nichols wrote:

> I came across this noisy insect on my way to the mail box this  
> morning.  I have not yet established his identity. Can anyone help  
> identify this fellow?  I should have stopped down further, but he  
> was not cooperative.
> Feedback appreciated.
> Jim Nichols
> Tullahoma, TN USA
> _______________________________________________
> Leica Users Group.
> See for more information

Replies: Reply from jhnichols at (Jim Nichols) ([Leica] IMG: Noisy Insect)
Reply from leica at (R. Clayton McKee) ([Leica] IMG: Noisy Insect)
In reply to: Message from jhnichols at (Jim Nichols) ([Leica] IMG: Noisy Insect)