AP PROVIDES ACCESS TO THIS PUBLICLY DISTRIBUTED HANDOUT PHOTO PROVIDED BY LSU AGCENTER FOR EDITORIAL PURPOSES ONLY.
In this photo provided by LSU AgCenter, Louisiana State University student Gerald Soderstrum, left, and graduate student Xuan Chen look for insects Feb. 3, 2012, in marsh grass on Lake Grande Ecaille in Plaquemines Parish, in this photograph provided by the LSU Agricultural Center. They are working with entomologist Linda Hooper-Bui to compare insect populations in areas hit by the Gulf of Mexico oil spill in 2010 with those in areas untouched by the spill. (AP Photo/ LSU AgCenter, Xuan Chen via Hooper-Bui)