Ophiocordyceps heteropoda (Kobayasi) G.H. Sung, J.M. Sung, Hywel-Jones & Spatafora

Taxonomy
Authority: 
(Kobayasi) G.H. Sung, J.M. Sung, Hywel-Jones & Spatafora
Citation: 
Studies in Mycology 57: 43.
Classification: 
Ophiocordyceps, Ophiocordycipitaceae, Hypocreales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi
Type Locality: 
Ishikari region of Hokkaido prefecture, Japan.
Morphology
Stroma: 

Stroma capitate, solitary or binate, up to 120 mm in length, arising from the head of cicada nymph.  Stipe connected to host via subterranean rhizomorphs which are up to 90 mm long and 1.2-1.7 mm in diameter, brown, root-like, and glabrous.  Stipe cylindrical, equal, 3-5 mm in diameter, fleshy, glabrous, sometimes longitudinally grooved, ochraceous.  Fertile area ovoid, distinctly separated from stipe, 6-7 x 7-9 mm, pinkish cinnamon to buff colored.

 
Perithecia: 

Perithecia ampullaceous, completely immersed, 610-660 um in height, around 210 um wide.

Asci: 

Asci cylindrical, 250-300 x 5.2-7 um.  Apical cap depressed-globose, 5.5-6.3 um in diameter. 

Ascospores: 

Ascospores disarticulating into partspores which are 6-7.7 x 0.9-1 um, truncated on both sides.

Ecology
Host or Substrate: 

Nymphs of cicadas (Hemiptera).  Reported on Tibicen spp. and Graptosaltria nigrofuscata

Known Distribution: 
Australia, Japan, Korea
References
Page Author: 
Alisha Owensby