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Blackberry Knot Gall Wasp
Diastrophus nebulosus
33.9689, -83.7288
Field Notes
Description:
An old multi-chambered gall approximately 2 inches (5 cm) long and 1 inch (2.5 cm) diameter with multiple chambers.
Habitat:
Gall on an old blackberry cane.
Notes:
Galls produced by the wasp Diastrophus nebulosus. The wasp deposits eggs into a blackberry cane (stem) in spring/summer months. The gall is the plant’s response. The wasps eggs hatch and larvae develop during the winter; wasps emerge in the next spring.
Reference Links:
StrangePod - Diastrophus nebulosus - BugGuide.Net
Species ID Suggestions
Spotted for Missions
Photographed
PublishedFebruary 22, 2017
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