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14-04-2026 20:31

Psilachnum lateritioalbum on Phragmites australis?
Gernot Friebes

Hi,can this be Psilachnum lateritioalbum on Phragm

14-04-2026 05:32

Pyrenomycete with yellow subiculum on Aralia
Ethan Crenson

Hi all, A few weeks back a friend pointed out som

12-04-2026 17:56

Seeking genus for 1 – 3 septate spored asco. on herb Nepteta cataria (Mint).
Hardware Tony Hardware Tony

Found on dead stems in February earlier this year

12-04-2026 15:52

Anamorph on Salix
Gernot Friebes

Hi,I'm looking for help with this anamorph collect

12-04-2026 12:22

Unknown anamorph on Primula eliator
William Slosse William Slosse

In a dune grassland in Oostduinkerke (Belgium), on

11-04-2026 15:45

Article search - Octospora ithacaensis
Zuzana Sochorová (Egertová) Zuzana Sochorová (Egertová)

Please, could anyone send me this paper?Moyne G.,

11-04-2026 13:34

Requesting help with Dasyscyphella sp. ID
Artem Ptukha

Hello, I am seeking assistance with the identific

11-04-2026 10:42

Una para ID
Castillo Joseba Castillo Joseba

Me mandan el material de Galicia, España, recolec

11-04-2026 10:19

Bientôt, un nouveau livre important
Michel Hairaud Michel Hairaud

Chers amis d'Ascofrance , voici une très bonne no

11-04-2026 10:10

An important new book
Michel Hairaud Michel Hairaud

Dear Ascofrance members, here is some very good ne

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galls (?) or slips of insects? - on Hypoxylon rubiginosum (s.l.)
Lothar Krieglsteiner, 30-10-2015 11:31
Lothar Krieglsteiner

I add here picture of two sites in Southern Gemany. I already had this in different forums but nobody could help me. As here are specialists of Hypoxylon and related fungi, perhaps somebody knows "who" is responsible for this roundish bouildings which I have already found quite often.


Regards from Lothar

  • message #38639
  • message #38639
  • message #38639
Vizzini Alfredo, 30-10-2015 11:50
Re : galls (?) or slips of insects? - on Hypoxylon rubiginosum (s.l.)
Hi,

they are galls induced by the insect (Diptera, Cecidomiide)Mycocecis ovalis. Quite rare

Best

Alfredo V.
Lothar Krieglsteiner, 30-10-2015 11:58
Lothar Krieglsteiner
galls of gall midge Mycocecis ovalis - always (?) on Hypoxylon rubiginosum (s.l.)

Hi Alfredo,


great :-) - I am happy to have this identification.


But I have to contradict - this galls are all but rare, I have seen this many times. Peter Püwert wrote me a mail few minutes ago and stated that they are well-known to him, too.


Best regards from Lothar


 

Hans-Otto Baral, 30-10-2015 12:19
Hans-Otto Baral
Re : galls (?) or slips of insects? - on Hypoxylon rubiginosum (s.l.)
Yes, I knew them also but had no idea ...

Here it was already an issue in 2009
http://www.ascofrance.com/forum/7339/simple-question
Thomas Læssøe, 30-10-2015 17:04
Re : galls (?) or slips of insects? - on Hypoxylon rubiginosum (s.l.)
Yes also quite common in Denmark and Sweden. I knew the guy that described the thing in England so I saw the light already 25 years ago :-)
Björn Nordén wrote it up from Sweden sometime back. As far as I remember I have only seen it on rubiginosum s.st.