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03-02-2026 20:44

Zetti Mario

When I first saw this white mould on an Agaricus s

18-08-2025 15:07

Lothar Krieglsteiner Lothar Krieglsteiner

.. 20.7.25, in subarctic habital. The liverwort i

02-02-2026 21:46

Margot en Geert Vullings

On a barkless poplar branch, we found hairy discs

02-02-2026 14:55

Andgelo Mombert Andgelo Mombert

Bonjour,Sur thalle de Lobaria pulmonaria.Conidiome

02-02-2026 14:33

Andgelo Mombert Andgelo Mombert

Bonjour,Sur le thalle de Peltigera praetextata, ne

31-01-2026 10:22

Michel Hairaud Michel Hairaud

Bonjour, Cette hypocreale parasite en nombre les

02-02-2026 09:29

Bernard CLESSE Bernard CLESSE

Bonjour à toutes et tous,Pour cette récolte de 2

01-02-2026 19:29

Nicolas Suberbielle Nicolas Suberbielle

Bonjour, Marie-Rose D'Angelo (Société Mycologiq

30-01-2026 22:49

éric ROMERO éric ROMERO

Bonjour tous, Récolté dans les Vosges le 22/10/

31-01-2026 09:17

Marc Detollenaere Marc Detollenaere

Dear Forum,On decorticated wood of Castanea,I foun

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extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)
Lothar Krieglsteiner, 30-10-2015 12:08
Lothar Krieglsteiner

The rapid solution on my galls on Hypoxylon rubiginosum have encouraged me to this question:


Does somebody know what insect could be responsible for this galls. They are common on Stereum sanguinolentum in the Bavarian Forest (Germany). I suspect it could also be a Diptera.


Regards from Lothar

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Chris Yeates, 31-10-2015 15:12
Chris Yeates
Re : extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)
Hallo Lothar
I am no entomologist, so this may be completely wrong - but see the attachments; perhaps that "lid" in the fourth image might correspond to the "mucilaginous net" in the description . . . . ?
best wishes
Chris
Lothar Krieglsteiner, 01-11-2015 10:28
Lothar Krieglsteiner
Re : extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)

Hello Chris,


this seems to be promising - thank you very much!


Best regards from Lothar

Björn Nordén, 26-10-2019 14:37
Re : extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)

Hi!


Did you get a name? I have found the same in Norway.


 


Best regards


 


Björn Nordén

Lothar Krieglsteiner, 29-10-2019 12:12
Lothar Krieglsteiner
Re : extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)

Hello Björn,


I don not remember how I came to this, but I finally named my fotos like this:


Keroplatus testaceus cf. (Mycetophilidae)


Best, Lothar

Chris Yeates, 29-10-2019 12:17
Chris Yeates
Re : extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)
Hello both

perhaps it was from one of the references I posted above http://www.ascofrance.fr/uploads/forum_file/LK2-0001.jpg ?

best wishes

Chris
Lothar Krieglsteiner, 29-10-2019 12:24
Lothar Krieglsteiner
Re : extra-foral: insect galls and larva on Stereum sanguinolentum (Basidiomycetes)

Hello Chris,


of course, it was one (ore more) of these sources!


But I do not remember what characters brought me to the decision to name this way ...


Thanks again for your help-


and best regards, Lothar