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Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

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Unidentified sawfly larvae on goldenrod, coneflower, and other composites

Here's another note based on sorting unidentified sawfly larvae in the BG gallery by host plant, this time goldenrod, coneflower, and other composites (Asteraceae).

Goldenrod (Solidago, Oligoneuron, or Euthamia), Michigan and Pennsylvania.

Unknown asteraceous plant, Florida.

Orange Coneflower (Rudbeckia fulgida), Pennsylvania.

Unspecifiied daisy, Ontario.

Strawflower (Xerochrysum bracteatum (= Bracteantha bracteata)), a cultivated garden plant. Missouri.


As with my notes for other species (listing in "See Also" section), I am providing these sorted images in hopes that Dr. Dave Smith or other experts will find them useful, possibly leading to identifications.

Sawflies on Asteraceae
Some of these must be Macrophya. Aster, Rudbeckia laciniata, and Solidago juncea) were once believed to be hosts of M. pulchella, but that species was misinterpreted in older literature. M. simillima has been reared from R. laciniata, but it's unclear what species the other host records belong to.

 
Asteraceae
Possibly goldenrod, Solidago sp, Iowa

Possibly Green-headed Coneflower, Rudbeckia laciniata, Iowa

Michigan

Ontario

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