Epichloe typhina (Persoon) Tulasne, 1865

on grasses

Epichloe typhina infestation

Dactylis glomerata, Denekamp, lg Singraven

gall

One or more internodes all round and mostly over their total length, wrapped in a while, later yellowish fungal mass (stroma). The internodes are hardly or not at all swollen. In the stroma slender asci. The spores, while yet in the asci, are 150-200 µm long and up to 9-septate.

host plants

Poaceae, oligophagous

Anthoxanthum odoratum; Brachypodium ? phoenicoides, ? pinnatum; Dactylis glomerata; Helictochloa adsurgens, pratensis; Lolium perenne; Phleum pratense; Piptatherum virescens; Poa nemoralis, pratensis, stiriaca, trivialis.

A reference to Ammocalamagrostis baltica by Scholler, Reinhard & Schubert (1996a) needs further study.

predatoren

The larvae of Botanophila phrenione and some related species live on stroma. At the other hand, sexual reproduction of the fungus usually requires a visit by Botanophila, which serves to “pollinate” the fungus with spermatia of the opposite mating type (Leuchtmann, Leuchtmann & Michelsen).

notes

Only rather recently it has appeared that the classical “Epichloe typhina” actually consisted of a group of mostly strictly monophagous, species. The host plants mentioned for this species therefore often will refer actually to different species. It is not yet quite clear what the host plants are of “E.typhina sensu stricto“.

references

Buhr (1964b), Chlebicki & Lembicz (2001a), Dietrich (2013a), Jage, Scholler & Klenke (2010a), Kozłowska, Mułenko & Heluta (2015a), Kruse (2014a), Leuchtmann (2007a), Leuchtmann & Michelsen (2015a), Losa España (1942a), Moon (1999a), Negrean (1996a,b), Negrean & Denchev (2000a), Redfern & Shirley (2011a), Scheuer & Bechter (2012a), Schmid-Heckel (1985a), Schardl (2010a), Scholler, Reinhard & Schubert (1996a), Rommelaars & Helleman (2010a), Tóth (1994a), Zabalgogeazcoa, García Ciudad, Leuchtmann ao (2008a).

mod 24.v.2019