Thermal Image Overlaid with Parthenolecanium quercifex (image) PLOS Share Print E-Mail Caption This is the 2nd instar P. quercifex abundance across the Raleigh, NC urban heat island. Dots represent relative 2nd instar P. quercifex abundance per 30.5 cm stem at each hot (red) and cold (blue) site (n = 40) in winter 2011. The image is a thermal map of the Raleigh, NC urban heat island created from a Landsat image acquired on August 18, 2007. Credit Meineke EK, Dunn RR, Sexton JO, Frank SD (2013) Urban Warming Drives Insect Pest Abundance on Street Trees. PLoS ONE 8(3): e59687. doi:10.1371/journal.pone.0059687 Usage Restrictions With credit to source. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.