Bark Lice
Forest Health Guide for Georgia Foresters
Written by Terry Price, Georgia Forestry Commission
Adapted for the web by the Bugwood Network
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Bark lice or psocids are in the insect order Psocoptera. These insects do not damage trees. They form sheets of silk on the bark of main stems and branches and feed on fungi and lichens underneath the sheets of silk (Figure 180). Oak trees appear to be affected more than other hardwoods. Bark lice or psocids resemble aphids. Psocids appear to be more prevalent in the southern coastal plain of Georgia. Outbreaks are sporadic and local in nature that subside without chemical control.
Figure 180
photo by Alan Isler |
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