Insect Hotline Issue 3
There are a number of white pine weevil pictures (damage, larvae & adults) already posted. Please use the search function to locate those images.
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There have been pictures of apple scab on crabapple and sycamore anthracnose already posted. Please use the search function to locate these images.
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Pictures of larch casebearer have been previously posted. Pictures for bald cypress webworm were not readily available. Please use the search function for images of the larch casebearer.
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Photographs of black spot have been posted previously. Please use the search function to locate these images.
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Insect Hotline Issue 5
Imported willow beetle adult. Feeding damage of adult beetles. Both photos provided by: Brian A. Kunkel, University of Delaware, Ornamentals IPM Extension Specialist.
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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.
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Insect Hotline No. 2
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...
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Insect Hotline Issue 3
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...
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Insect Hotline Issue 4
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...
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Insect Hotline Issue 5
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:...
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