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Photo#1404004
Grandale Leaf miner on Bidens D747 2017 1

Grandale Leaf miner on Bidens D747 2017 1
Grandale Drive, Durham, Durham County, North Carolina, USA
July 14, 2017
Not sure if this is a miner, but it reminds me of the Bucculatrix I found last year on Ambrosia artemisiifolia.

Images of this individual: tag all
Grandale Leaf miner on Bidens D747 2017 1 Grandale Leaf miner on Bidens D747 2017 2 Grandale Leaf miner on Bidens D747 2017 3 Grandale Leaf miner on Bidens D747 2017 4

Moved

I was unable to make sense of this one
It seems to start at one of the agromyzid punctures and end at an injured portion of the midrib--I don't see any evidence that it actually enters the midrib, and I can't see any frass.

 
I found more of these last Th
I found more of these last Thursday, and collected them. No evidence yet that there is anything in them, but it looks like insect-associated damage (and mining of some sort).

I'm not sure either
No Bucculatrix is known from Bidens, but anything in Asteraceae is a potential host. The dots all over the leaf look like feeding punctures of adult agromyzids.

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