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Photo#45336
Ciid larvae?

Ciid larvae?
Nashua, Hillsborough County, New Hampshire, USA
March 18, 2006
Size: about 2.4 mm
I have been finding various species of Minute Tree Fungus Beetles (family Ciidae) for several months now, but I've never found anything I suspected was one of their larvae. Till now, that is!

I figured even though the dark-bodied adults were easy to spot, tiny ciid larvae would be easy to miss in the light-colored flesh of tree fungus, and that may very well be why I never saw them. Nearly the opposite problem, visible larvae and invisible adults, is what I encountered in the present case.

I easily spotted these tiny white larvae in the dark brown interior of a species of peculiar-looking aged shelf fungi:

As I examined one larva in its burrow, I glimpsed a shiny, rounded surface, rich tan in color, that looked like an adult insect part. I pried into the tough, dry fungus grain and was able to tease out what had caught my eye -- the back end of a ciid adult in its burrow. Its front end was attached and it was very much alive. This was a discovery for me. The tree fungus refered to in the ciid family common name is not thick, wood-hard shelf fungi so far as I know, but small, thin, ruffly fungi about silver dollar size.

Prying further, I collected more ciid adults and spotted their tell-tale burrows --- somewhat larger than those of these larvae.

I cannot conclusively state that these are ciid larvae, but the adult ciid presence makes me think they are. The size is about right as well, assuming they foreshorten on pupation.

Images of this individual: tag all
Ciid larvae? Ciid larvae? Ciid larvae?

Moved
Moved from Beetles.

guess you are right again!
:-)

Boris

 
Thank you again :-)
I guess I'll move them to Ciidae.

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