Hosts
This borer not only attacks dogwood trees but also plants in the genera Prunus, Malus and other plant genera.
Dogwood Borer
Pathogen Type
Scientific Name
Synanthedon scitula
Frequency
3
Severity
5
Symptoms
Dogwood borer adults are clearwing moths that look like a wasp. The larvae feed on the phloem tissue. As the larvae grow larger the eventually begin to feed on the sapwood.
Cycle
Adults can be present from July to September. The adult female borer lays its eggs on the bark and dies soon after. The larvae eat their way into the bark. The eggs are laid near injuries including pruning wounds.
Management
Avoid pruning during summer months.
Credit
James E. Schuster, retired Extension Specialist, Horticulture & Plant Pathology and Dr. Philip L. Nixon, Extension Entomologist, Dept. of Crop Sciences, University of Illinois
PathogenID
104
Images
Image
picID
38123
Image
picID
38124