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Photo#101703
sawfly larva in fungus-infested tree - Macremphytus testaceus

sawfly larva in fungus-infested tree - Macremphytus testaceus
Nashua, Hillsborough County, New Hampshire, USA
March 31, 2007
Size: maybe 20 mm
Found inside soft wood in snapped off trunk of approx. 6"-diam. tree that appeared to have been killed by fungus. The meter-plus-high stump and the fallen upper section bore several soft-bodied conks and the wood contained a great deal of fungal mycellium. This appears to be the same species as posted by Tom Murray.

Images of this individual: tag all
sawfly larva in fungus-infested tree - Macremphytus testaceus sawfly larva in fungus-infested tree - Macremphytus testaceus

Moved
Moved from Unidentified Sawfly Larvae, based on your comment here:

A few weeks ago I collected several Macremphytus larvae and put them in ziploc bags with some dogwood leaves. Yesterday I discovered one of them boring a hole into my window molding. That one is now in a jar, and has bored into a chunk of wood I gave it. Four others remain at large... two little piles of sawdust suggest that someone tried to bore into a chair, but I think they gave up and went somewhere else. May be a while before I track those down...

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