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Dragonflies - living fossils

Conservation Issues

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Conservation Issues

    T. thoreyi are on the special concern list in New York State. The definition of special concern is:

“Any native species for which a welfare concern or risk of endangerment has been documented in New York State.”(New York State Department of Conservation, 2001) This species was placed on this list because there are very few sites where it is know to live. These dragonflies require clean spring fed seeps. One threat to these seeps is withdrawal or pollution of ground water. Most of the places t. thoreyi are known to live in New York State are in state parks. (Novak, 2002)

watkinsglen.jpg

Conservation issues in other states:

 

Special concern lists:

Texas

Indiana

New York

Pennsylvania

 

Rare list:

Florida

 

Species in need of conservation:

Kansas

 

Watch list:

Missouri

 

Threatened list:

Michigan

 

In addition to references listed on reference page, above info gathered from following sites:

 

http://216.239.51.100/search?q=cache:jKWcAcXtXDgC:www.esb.utexas.edu/jcabbott/cou
rses/bio321web/labs/odonata/odonata.pdf+%22special+concern%22+tachopteryx&hl=en
&ie=UTF-8

 

http://216.239.51.100/search?q=cache:Sl38UTPxgg4C:www.in.gov/dnr/naturepr/species/
parke.pdf+%22special+concern%22+tachopteryx&hl=en&ie=UTF-8

 

 

http://members.aol.com/yesclub2/vanish.html#Odonata

 

http://216.239.51.100/search?q=cache:84j6b9kYaPoJ:www.state.in.us/dnr/naturepr/enda
nger/vertinve.htm+%22special+concern%22+tachopteryx&hl=en&ie=UTF-8

 

 

http://216.239.51.100/search?q=cache:LHniUTo2OpQC:h2o.enr.state.nc.us/basinwide/Litt
le_Tennessee/ltnch2.doc+%22special+concern%22+tachopteryx&hl=en&ie=UTF-8

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