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Photo#516458
Sawfly, I think - Onycholyda sitkensis

Sawfly, I think - Onycholyda sitkensis
Soquel, Santa Cruz County, California, USA
May 13, 2011
I have never really seen the saw of a sawfly. I do have a couple of guesses, one of which is in this set of photos. Would this be a female?

Images of this individual: tag all
Sawfly, I think - Onycholyda sitkensis Sawfly, I think - Onycholyda sitkensis Sawfly, I think - Onycholyda sitkensis Sawfly, I think - Onycholyda sitkensis Sawfly, I think - Onycholyda sitkensis

Moved
Moved from Onycholyda.

Pamphiliidae
Onycholyda sitkensis (Kincaid), female. Larvae live and feed in leaf rolls on Rubus. The saw (ovipositor) of pamphiliids is very small and difficult to see. Actually, the "saws" of most sawflies are not readily visible because they ae enclosed in a "sheath" at the end of the abdomen. Occasionally, the saws are exerted and are visible.
I can't make out the picture on the far right.

Host plant?
Do you know the species of the host plant? If not, do you have a photo with a wider view of the leaf or whole plant? It might aid in narrowing the choices for the sawfly species.

 
Thanks for the help...
...and sorry for the slow response. John, I don't know plants very well. I thought it was on Blackberry leaves, but there are other plants interspersed there and it could have been something different. I guess now that the species has been identified it is less of an issue.

Thanks for the ID!

 
Rubus
Yes, the plant ID is now moot with Dave's sharp ability to recognize this sawfly directly. Noting his comment about this species associating with Rubus (blackberries, raspberries, etc.) and your note about blackberry in this case, it is satisfying to see that the coarsely-toothed margin of the plant in your photo is consistent with the leaflets of Rubus. The PLANTS database indicates that five species have been reported from Santa Cruz County.

 
Berries are very common where I live...
...and insects seem to just love them :)

Moved tentatively, pending expert review
Moved from ID Request.

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