Close-up of boxwood leafminer larvae after boxwood leaf is broken open. Photo provided by: Nancy Gregory, University of Delaware
Blistered boxwood leaf and boxwood leafminers. Photo provided by: John Weidhass, VA Polytechnic Institute & State University, bugwood.org
Boxwood leafminer adult. Photo provided by: John Baker, NC State University, bugwood.org
Above picture is of a later instar of the eastern tent caterpillar. Photo was provided by author imbedded with picture via insect images.org
Photo above is a picture of an early tent formed by eastern tent caterpillars. A successful non-chemical control strategy is to tear the ‘tent’ or webbing open so natural enemies have access to the caterpillars. Photo provided by Tracy Wootten, University of Delaware.
Photo above is an egg mass laid by eastern tent caterpillar female moths in late June or July. A control tactic here is to either prune out the egg mass or scrape the mass off the twig. Photo provided by Brian Kunkel, University of Delaware
Above picture is of a frass ‘toothpick’ sticking out from trunk of tree.
Above pictures is of the oviposition chamber and larval gallery of one of the bark beetles, Xylosandrus spp.
Above picture is of the bark beetle, Xylosandrus germanus (ambroisa beetle)
Above picture is of the bark beetle, Xylosandrus crassiusculus (granulate ambrosia beetle)
The above pictures were provided by various authors (imbedded in photo) via bugwood.org
Thrips feeding damage on greenhouse grown plants. Photo by: Brian Kunkel, University of Delaware
Feeding damage by thrips on flower petals. Photo by: Brian Kunkel, University of Delaware
Thrips feeding damage on flower petals. Photo by: Brian Kunkel, University of Delaware
Immature thrips feeding on foliage. Photo by: Nancy Gregory, University of Delaware
Frog-eye leaf spot and Botryosphaeria canker have pictures posted on the website. Do not have images for spot anthracnose and golden canker. Please use the search function for the available photos.