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Page number:223 
Remarks (internal):Cordyceps owariensis f. viridescens Uchiy. & Udagawa (Uchiyama & Udagawa 2002) and C. brittlebankisoides (Liu et al. 2001) are close to this species. The former is more similar to M. guniujiangensis in that both attack cicada nymphs and have similar stromata. However, they are quite different in other features.
The two stromata of M. guniujiangensis are confluent at their bases; the fertile parts are apically subulate with an acute, yellow, glabrous sterile tip. In comparison, the stromata of C. owariensis f. viridescens are solitary, simple or 3-4 branched, subulate apically with an acute, white, glabrous sterile tip. Furthermore, the perithecia and asci of M. guniujiangensis are longer (440-640 µm) than those of C. owariensis f. viridescens (180-300 µm), and the ascus cap of the new species is 2.8-3.0 µm in diameter and narrower (4.0-5.0 µm) than that of the latter.
There are obvious differences between C. brittlebankisoides, found on larvae of Coleoptera, and M. guniujiangensis, found on nymphs of Homoptera. The arrangement of their perithecia, the sizes of their perithecia and asci, and ascospores are all different. Additionally, the anamorphs of the three species are also different (Table 1).
The culture (RCEF2001) of M. guniujiangensis (GNJ020527-04) is kept at the Research Center on Entomogenous Fungi, Anhui Agricultural University, China.
Description type:Original description 
Description:Metacordyceps guniujiangensis C.R. Li, B. Huang, M.Z. Fan & Z.Z. Li, sp. nov.
MycoBank MB 511341 Fig. 1
Stromata two, stipes 2.5-2.7 mm thick, confluent at basal part, arising from the head of the larval cicada host, dark green, curving, 40.3-42.5 mm long; Fertile part 8.8-11.1 x 2.7-3.2 mm, not clearly defined from the stipes, apically subulate, with acute, yellow and glabrous sterile tip, 5.6-11.1 mm long, 2.5-3.0 mm wide at the base of sterile tip; Perithecia ampullaceous, obliquely immersed, with curved neck, 640-770 x 240-320 µm. Asci cylindrical, 8-spored, 310-380 — 4.0-4.8 µm, ascus cap 2.8-3.0 µm in diameter. Ascospores hyaline, filiform, 240-330 x 0.8-1.0 µm when discharged, smooth, multiseptate with cells 8-17 µm long, not breaking into secondary ascospores.
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