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Cordyceps pruinosa Petch

Taxonomy
Authority: 
Petch
Citation: 
Petch, T. 1924, Transactions of the British Mycological Society 10: 38.
Classification: 
Cordyceps s. s., Cordycipitaceae, Hypocreales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi
Type Specimen: 
Type speciemen seems to be lost.
Type Locality: 
Sri Lanka
Morphology
Stroma: 

Stromata solitary or several, clavate, simple or less frequently branched, on pupa of Lepidoptera (Limacodidae). Fertile area orange to orangish red, differentiated from stipe, 2-8 x 1-3 mm. Stipe orangish red to red, 3-12 x 0.5-1.5 mm.

 
Perithecia: 

Perithecia crowded, immersed, red, ordinal in orientation, ovoid to fusiform, 360-400 x 130-200 um.

 
Asci: 

Asci 8-spored, hyaline, cylindrical, possessing a prominent apical cap.

 
 
Anamorph
Genus: 
Mariannaea
Species: 
pruinosa
Authority: 
Z.Q. Liang
Citation: 
Z.Q. Liang, 1991, Acta Mycol. Sin. 10(2):105.
Notes: 

The type species of Mariannaea is M. elegans (Corda) Samson and it is a member of Nectriaceae in a recent phylogenetic study. The taxonomic revision of M. pruinosa is necessary to reflect its phylogenetic placement in Cordycipitaceae.

Ecology
Host or Substrate: 

Pupa of Limacodidae (Lepidoptera)

Known Distribution: 
China, Japan, Korea, Sri Lanka
Notes
Specimens Examined: 

EFCC 4295, EFCC 5197, EFCC 5693, EFCC 7481, NHJ 10627, NHJ 10684

Commentary: 

Cordyceps pruinosa can be easily identified using its host affiliation being a pathogen of Limacodid pupa (Lepidoptera). It is restricted to Asia and frequently found in geographically distant countries (e.g., China, Japan, Sri Lanka, Thailand). However, In the description of Kobayasi (Kobayasi, 1941), this species was recorded to have a filiform ascospores that are disarticulated into partspores. However, the observation for the species

 

lectotypication is necessary.

similar to C. ninchukispora.

C. bifusispora.

Cordyceps subg. Bolacordyceps sensu Eriksson

Type partspores in original description of Petch and Kobayasi.

 

References
Page Author: 
Gi-Ho Sung