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.
Japanese beetle adult. Photo provided by: Brian A. Kunkel, University of Delaware, Ornamentals IPM Extension Specialist
Imprelis injury. Photo found at: http://extension.psu.edu/greenindustry/giec/news/2011/some-observations-on-imprelis-injury-to-trees
Photos of white clover have already been posted online. Please use the search function to locate the images. Unable to locate suitable image for verticillium wilt. Images of brown marmorated stink bugs, white prunicola, euonymus and Japanese maple scales are already posted to the site also.
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
Pyracantha scab on fruits. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Cottony maple leaf scale. Photo by: Nancy Gregory, Plant Diagnostician, University of Delaware
Daylily leaf streak. Photo found at: http://www.umass.edu/umext/floriculture/fact_sheets/pest_management/daylily_rust_streak.htm