August 13th,
2014
Blackberry Knot Gall
Walton County,
Georgia
I spotted this gall on
a blackberry stem by the mailbox; it’s a Blackberry Knot Gall. Blackberry Knot
Gall is caused by the Blackberry Knot Gall Wasp (Diastrophus nebulosus) which
lays eggs in the ridges of the stems of blackberries. Read more about this wasp
and the galls at Greg Dodge’s Journal.
Identification
source:
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