Archived posting to the Leica Users Group, 2009/09/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]All: We have them in Texas, too. I was lucky enough to find one emerging from its shell one night on the outside wall of my garage. Had seen a lot of shells before, but not the process. http://tinyurl.com/n87c27 http://gallery.leica-users.org/v/Al+Crouch/free+at+last.jpg.html :Al Crouch > [Original Message] > From: Jefffery Smith <jsmith342 at gmail.com> > To: Leica Users Group <lug at leica-users.org> > Date: 9/3/2009 6:39:51 PM > Subject: Re: [Leica] IMG: Noisy Insect > > If they are bad this year, they will be bad 17 years from now too. :-) > > On Sep 3, 2009, at 6:09 PM, Jim Nichols wrote: > > > Hi Jeffery, > > > > Thanks for the technical details. As I mentioned before, with my > > high frequency hearing loss from years of exposure to noisy > > compressor plant equipment, they don't bother me too much unless I > > go outside with my hearing aid in place. Then, the noise is very > > noticeable. > > > > Jim Nichols > > Tullahoma, TN USA > > ----- Original Message ----- From: "Jefffery Smith" <jsmith342 at gmail.com > > > > > To: "Leica Users Group" <lug at leica-users.org> > > Sent: Thursday, September 03, 2009 6:00 PM > > Subject: Re: [Leica] IMG: Noisy Insect > > > > > >> 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. > >> > >> Jeffery > >> > >> > >> 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. > >>> > >>> http://gallery.leica-users.org/v/OldNick/Noisy+Insect.jpg.html > >>> > >>> Feedback appreciated. > >>> > >>> Jim Nichols > >>> Tullahoma, TN USA > >>> > >>> _______________________________________________ > >>> Leica Users Group. > >>> See http://leica-users.org/mailman/listinfo/lug for more information > >> > >> > >> _______________________________________________ > >> Leica Users Group. > >> See http://leica-users.org/mailman/listinfo/lug for more information > >> > > > > > > > > _______________________________________________ > > Leica Users Group. > > See http://leica-users.org/mailman/listinfo/lug for more information > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information