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Unidentified Signs on Twigs, Stems, and Stemlike Structures

elderberry borer elderberry borer oviposition scars on silver maple oviposition scars on silver maple pits inside hollow dead Lactuca serriola Catkin borer on alder Thimbleweed seedhead shenanigans St. Andrews stem miner on Carya ovalis SA735 2017 3
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
No Taxon (Unidentified Tracks, Sign, and Other Mysteries)
No Taxon Unidentified Signs on Twigs, Stems, and Stemlike Structures