ST PETERSBURG— An insect with a disgusting habit is killing palm trees in the Tampa Bay area and experts are worried the disease transmitted by the bugs will affect trees around the state. The first Florida sighting of Texas Phoenix Palm Decline was in 2005 in Manatee County. Since then, it's been detected in Hillsborough, Pinellas and Polk counties, although experts say Manatee County is still the hardest-hit area. According to University of Florida's Institute of Food and Agricultural Sciences, the disease is spread by a planthopper insect but the exact kind of bug isn't yet known. The insects pierce...