Galls on elms caused by the aphid Tetraneura ulmi. The galls are abnormal growths of plant tissue caused by chemicals that the aphids inject. The galls provide protection and food for the developing aphid larvae.
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WebID:
C00725634
Clip Type:
RM
Super High Res Size:
1920X1080
Duration:
00:00:23.000
Format:
QuickTime
Bit Rate:
25 fps
Available:
download
Comp:
200X112 (0.00 M)
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NO
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No