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Ophiocordyceps longissima (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: 44.

Synonymy:

Cordyceps longissima Kobayasi, Bull. Natn. Sci. Mus. Tokyo 6: 300. 1963.

Mycobank:

MB 504298

NCBI:

NCBI Taxonomy Entry

Classification:

Ophiocordyceps, Ophiocordycipitaceae, Hypocreales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi

Type Specimen:

TNS F-230285 and TNS F-23029 (clarification needed)

Type Locality:

Japan

Morphology

Stroma:

Stromata solitary, long, simple or rarely bifurcating at tips, arising from head of cicada nymph. Fertile area clavate to cylindrical, orange-brown to cinnamon colored, 30-40 mm long, 5-6 mm thick, smoothly continued from stalk, minutely punctate with dark ostiola. Stipe long and slender, leather-like, often irregularly twisted or curved, glabrous or slightly pubescent, pale brown to yellow-brown, 100-130 x 1.5-2 mm.

Perithecia:

Perithecia crowded, immersed, ovoid without a neck, 600-650 x 280-310 um.

Asci:

Asci cylindrical, 5-6 um in diameter, possessing a prominent cap (4 um wide).

Ascospores:

Ascospores cylindrical, disarticulating into partspores. Partspores obtuse at both ends, 9-11 x 1-1.2 um.

Ecology

Host or Substrate:

on nymph of cicada (Heteroptera)

Known Distribution:

China, Japan, Korea

Notes

Commentary:

The total length of the below ground stromatic tissue from unpublished and anecdotal observations exceeds that of published measurements (upto 600 mm).

References

Kobayasi, Y, Shimizu D. 1963. Monographic studies of Cordyceps 2. Group parasitic on Cicadae. Bulletin of the National Science Museum, Tokyo,. 6:286-314.

Sung et al., 2007. Phylogenetic classification of Cordyceps and the clavicipitaceous fungi. Studies in Mycology, 57(1), p.5-59

Page Author:

Alisha Owensby