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I'm not quite sure what to make of this spotting. At first sight I thought it was a fungi, probably a crust variety, and therefore a polypore. Or perhaps even a lichen species. Whatever it was, it was definitely a wood rotter as the bark on the tree has been eaten away. However, upon closer inspection of the photos, the texture looks like very fine sawdust. This could possibly be an insect infestation and the wood hasn't been rotted, but gnawed. In fact, in the second photo, small holes can be seen deeper in the wood. After viewing these images, I'm now inclined to think it's the latter. The surface layer appears to be falling away in 'curtains'. This rules out any possibility of it being a fungi species. Here are a couple of reference links provider by Mark Ridgway (PN Ranger) - http://www.projectnoah.org/spottings/854... http://johngrehan.net/index.php/hepialid... It has been suggested that this could be a species of moth larvae, and this is its nest/feeding area.
Native bushland in the Mt. Coot-tha Forest Reserve. Spotted on the Stringybark Track. Area dry and trees native eucalypts. This spotting was actually on the trunk of a native Spotted Gum (Corymbia citriodora).
Thanks to Mark Ridgway (PN Ranger) for the spotting ID.
Spotted on Apr 6, 2014
Submitted on Apr 26, 2014