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View Thread :: Identification queries :: Diptera (eggs, larvae, pupae)
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Mine in Aruncus sylvestris, perhaps Agromyza idaeiana?
Ingrid Altmann
#1 Print Post
Posted on 07-07-2022 19:45

Posts: 1018
Joined: 29.11.09

could this be the mine of Agromyza idaeiana?
Host: Aruncus sylvestris
June 16, 2022, forest path near Furth im Wald, Bavaria, Germany.

Ingrid Altmann attached the following image:

Ingrid Altmann
#2 Print Post
Posted on 07-07-2022 19:45

Posts: 1018
Joined: 29.11.09

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Ingrid Altmann
#3 Print Post
Posted on 07-07-2022 19:46

Posts: 1018
Joined: 29.11.09

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Paul Beuk
#4 Print Post
Posted on 13-07-2022 11:57
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Location: Netherlands
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I have always been told that agromyzid mines have the frass alternating on the different sides of the mine and lepidopteran mines have the frass in a median line...

- - - -

Paul Beuk on
#5 Print Post
Posted on 13-07-2022 14:41
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Location: Yerseke, NL
Posts: 2345
Joined: 13.02.09

That is not always the case Paul. Actually it looks like a Diptera mine to me, although I can not explain why. Bad answer, I know. The frass looks just different in Lepidoptera, I think. Could be Agromyza spiraeoidearum, which is known from this host plant.
Best wishes, Niels-Jan Dek
Ingrid Altmann
#6 Print Post
Posted on 13-07-2022 18:26

Posts: 1018
Joined: 29.11.09

Hello Paul and Niels,
I don't know of any lepidopteran that have mines in Aruncus.
Agromyza spiraeoidearum looks good. I just read in the Book: Hering - Bestimmungstabellen der Blattminen von Europa: First feces in grains in lines on the mine sides, later irregularly scattered.
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Date and time
16 July 2024 22:53


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