Cover photograph (Copyright © 2005, American Society for Microbiology. All Rights Reserved.): Ventral side (left panel) and dissected midgut (right panel) of fourth instar Uranotaenia sapphirina larvae infected with U. sapphirina cypovirus. Iridescent blue areas of virus accumulate in the posterior midgut and gastric caecae. (See related article in August 2005: vol. 79, issue 15, page 9430.)