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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Symphyta" - Sawflies, Horntails, and Wood Wasps » Common Sawflies (Tenthredinidae) » Nematinae » Cladiini » Cladius » Bristly Roseslug Sawfly (Cladius pectinicornis)
Photo#362719
Feeds on rose leaves - Cladius pectinicornis
Copyright © 2010 R. Berg

Feeds on rose leaves - Cladius pectinicornis
Alameda County, California, USA
January 5, 2010
Size: ~1/2 in, 13 mm
I had moved a larva from the miniature rose where I found it, which had two kinds of leaf damage, as shown in , to a larger rose, a climber, that had more leaf surface to spare. The current photo may show the same individual and definitely shows the larger rose. The climbing rose has patches eaten away on a few leaves near the larva, including the leaf the larva is on, and does not have leaf-mining tracks.

Images of this individual: tag all
Feeds on rose leaves - Cladius pectinicornis Feeds on rose leaves - Cladius pectinicornis
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Contributed by R. Berg on 5 January, 2010 - 7:37pm
Last updated 19 July, 2019 - 5:28am

Moved
Moved from Unidentified Sawfly Larvae.
… Charley Eiseman, 19 July, 2019 - 5:28am login or register to post comments

I agree that this is probably
I agree that this is probably Cladius difformis.
(synonym Cladius pectinicornis)
… Alexander Boldyrev, 19 July, 2019 - 3:58am login or register to post comments

Moved
Moved from ID Request.
… R. Berg, 5 January, 2010 - 9:01pm login or register to post comments

 
Sawfly larvae
I asked Dr. Smith to help us with these hairy sawfly larvae, yours and mine. I suspect that they are all Cladius difformis but need confirmation. Right now they are scattered in several places, Tenthredinidae, Unidentified sawfly larvae, and Sawflies; let us not move them yet until Dr. Smith comment on them.
… Beatriz Moisset, 7 January, 2010 - 8:39am login or register to post comments

 
This one
may be quite dispensable because I collected two the next day, yesterday, from the same part of the plant, and one of those two is likely this specimen.

If Dr. Smith can ID them from the photos, I won't have to rear the two in the jar.
… R. Berg, 7 January, 2010 - 11:11am login or register to post comments

 
Rearing
I would try to rear several. Remember that there is always a good deal of attrition of populations due to a number of factors and you may end up with one adult out of ten larvae. Besides, it would be nice to get at least one of each sex.
As for the image, yes, there is no need to have a lot of repetition. No need to keep them all.
… Beatriz Moisset, 7 January, 2010 - 11:38am login or register to post comments

Looks to be the larva
of a sawfly. Knowing it was on a rose should help with the ID.
… john and jane balaban, 5 January, 2010 - 8:10pm login or register to post comments

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