Phylum:Ascomycota >> Class: Ascomycetes >> Order: Hypocreales | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Cordyceps unilateralis | |||
Author: | Cordyceps unilateralis (Tul.) Sacc., Syll. Fungorum 2: 570. 1883. |
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Description: | Ascostroma solitary, stipitate, simple, arising from the cephalothorax region of the infected formicine ant, slender, sometimes curved, occasionally dichotomously branched. Stipe cylindrical, acute to acuminate, tomentose, dark brown (7F4-5), brownish grey to greyish brown (7F2-3) towards the apex, 6.5-15.3 mm long, 0.3-0.7 mm thick, composed of compact longitudinal more or less interwoven brown hyphae, bearing one to three lateral perithecial cushions, pulvinate, 0.6-1.4 mm in diam, greyish brown and dark brown (7F3-5) to black, surface roughened due to papillate ostioles. Perithecia ovoid, densely aggregated, 160-260 × 100-170 μm, embedded in brown pseudoparenchymatous tissue, consisting of loosely or tightly interwoven septate, brown hyphae, perithecial wall 17-21 μm thick. Asci cylindrical, 8-spored, 140-216 × 7.9-10.4 μm, with a thickened perforated refractive cap, 3.3-5.6 μm thick, 5.6 μm wide. Ascospores cylindrical with subulate ends, 88-192 × 2.4-4.0 μm, multiseptate, not breaking into partspores at maturity. Conidial state: Hirsutella formicarum. | |||
Specimens: | Taiwan, Nantou County, Yuchih, Lienhuachih, on Polyrhachis ant, Formicinae, Formicidae, Hy.38, 9 Sep 1994. |
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Habitat: | on Polyrhachis ant. | |||
Distribution: | Taiwan, Japan. |
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References: | Tzean, SS et al. 1997. |
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Provided: | S. S. Tzean and L. S. Hsieh |
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Note: | Newly recorded species. | |||