Horsechestnut leaf blotch. Photo from: Bob Mulrooney, University of Delaware.
Photos for brown patch, roseslug sawflies (search roseslug sawfly), bagworms and fall webworms (Insect Hotline Issue 20, 2008 has best images) have already been posted. Please use search function to locate images.
Fall webworms at terminal ends of branches.
Another tree with fall webworms webbing over terminal branches. Photos provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delaware
Fall webworm damage & webbing. Photo provided by: Brian Kunkel, Ornamentals IPM Specialist, University of Delware
Hollyhock rust on upper surface of the leaf. Photo found at http://plantclinic.cornell.edu/FactSheets/hollyhockrust/hollyhockrust.htm & provided by: Dawn Dailey O’Brien, Cornell University
Hollyhock rust on underside of the leaf. Photo found at http://plantclinic.cornell.edu/FactSheets/hollyhockrust/hollyhockrust.htm & provided by: Dawn Dailey O’Brien, Cornell University
Fall webworms. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Scoliid wasp. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Cicada killer with prey. Photo provided by: Howard Ensign Evans, Colorado State University, Bugwood.org
Saddleback caterpillars. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org
Fall webworm. Photo provided by: B.A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware
Immature dogwood sawflies. Photo provided by: B. A. Kunkel, Ornamentals IPM Extension Specialist, University of Delaware