Cordyceps albocitrinus Koval 1974

Taxonomy
Authority: 
Koval 1974
Citation: 
Koval, Novosti sistematiki nizshikh rasteniy, 11 : 209, 1974
Classification: 
Cordyceps s. l., Incertae Sedis, Hypocreales, Hypocreomycetidae, Sordariomycetes, Pezizomycotina, Ascomycota, Fungi
Type Locality: 
Russian Far East, Vladibostok vicinity
Morphology
Stroma: 

Mycelium almost inconspicuous at the surface of infected insect, forms web-like fibers only at the broken parts of pupa's segments, but is abundant at the bases of stromata; it is white, yellowish or whitish-lemon. Hyphae thin-walled, 2-3.5 µm wide, branched, numerously septate. Stromata aggregated, 3-5 in groups, sometimes fused at the bases, 12-25 mm long, 1.5-2.5 mm wide, clavate, white or lemon-white, extending from the fore-part of mummified caterpillar. Fertile part 10-12 mm long, apical, clavate, well distinguishable from stalk by brighter color and black dots of extending ostioles of perithecia. Stalk cylindrical, solid, white, 1-2 mm wide.

Perithecia: 

Perithecia hemi-ovoid or pyriform, straight or slightly oblique, deeply immersed, 300-450 x 210-340 µm, walls thick, brown or almost black, 40-50 µm wide

 
Asci: 

Asci cylindrical, 100-190 x 3-3.5 µm, apex globose, 4-5 µm diam

 
Ascospores: 

Ascospores filiform, 2-3 µm wide, fragmenting into numerous, cylindrical cells 4-5.6 µm long

Ecology
Host or Substrate: 

On lepidoptera larvae (Sphingidae)

Known Distribution: 
Russia
Page Author: 
Ryan Kepler