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View Thread :: Identification queries :: Diptera (eggs, larvae, pupae)
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Leaf miner On Sonchus oleraceus. >Chromatomyia horticola/syngenesiae
Pentti Ketola
#1 Print Post
Posted on 23-01-2022 07:45

Posts: 4748
Joined: 04.02.10

ID possible?
Photo on Finland Kokkola 19 July 2021.

Could this be the mine of Chromatomyia?
Thank you in advance for any help in identification,
Pentti Ketola attached the following image:

Edited by Pentti Ketola on 23-01-2022 14:39
#2 Print Post
Posted on 23-01-2022 10:22

Location: Franconia, Germany
Posts: 2085
Joined: 11.11.18

Hi Pentti, I think you are right with Chromatomyia and probably it's the polyphagous C. horticola (we can see the frass in isolated grains, but other C. do it the same way).
Greetings, Eric
#3 Print Post
Posted on 23-01-2022 14:18

Location: England
Posts: 63
Joined: 20.10.12

Chromatomyia syngenesiae is also known on this host ( and forms identical mines to horticola, adults must be reared.
Pentti Ketola
#4 Print Post
Posted on 23-01-2022 14:39

Posts: 4748
Joined: 04.02.10

Thank you both very much!

Best regards,
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Date and time
23 May 2022 02:26


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