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Photo#1368363
Faint mines - Calycomyza malvae

Faint mines - Calycomyza malvae
Chesterfield, St. Louis County, Missouri, USA
May 13, 2017
In a garden of native plants. A sign nearby said Baptisia bracteata. I don't know if this is that plant. I was thinking Asteraceae.

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Faint mines - Calycomyza malvae Reverse - Calycomyza malvae

Moved
Moved from Plant Images Requiring IDs To Assist In Arthropod Identification.

C. malvae has not been reared from this host genus, but we can be pretty sure given the malvaceous host and the way the mine begins on the lower leaf surface and then switches to the upper surface--as I mentioned here:

Moved
Moved from Unidentified Leaf Mines.

Definitely not Baptisia; reminds me of some kind of Anemone, but I'm not sure. The mines are agromyzid.

 
Or...
Perhaps Callirhoe alcaeoides?

 
Callirhoe
I emailed the Missouri Botanical Garden, which owns the plant in question, and got back

"This plant is Callirhoe involucrata or Callirhoe bushii. The leaves of the two are awfully similar. The biggest difference is that bushii is more upright and involucrata is sprawling, on the ground."

The plant I photographed appeared upright.

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