The unidentified fly recently discovered damaging rice in Louisiana and Texas has been given the scientific name Hydrellia wirthi Korytkowski.  This Ephydrid fly is commonly known as the South American rice leaf miner.

For more information, please see the publication from the LSU AgCenter:

http://www.lsuagcenter.com/NR/rdonlyres/8D013862-944D-46DB-85C9-69B3366D7C74/8967/pub2914riceleafminer2.pdf  

Also, the previous story from the Phytosanitary Alert System [posted February 4, 2005]:

http://www.pestalert.org/pestnewsdetails.cfm?newsID=330&keyword=RICE%20WHORL