Cordyceps poluscapitis X. C. Peng, Y. P. Xiao & T. C. Wen 2023, sp. nov

Autor: Peng, Xing-Can, Xiao, Yuan-Pin, Zhang, Yan, Chomnunti, Putarak, Tangtrakulwanich, Khanobporn, Wen, Ting-Chi
Rok vydání: 2023
Předmět:
DOI: 10.5281/zenodo.8038769
Popis: Cordyceps poluscapitis X.C. Peng, Y.P. Xiao & T.C. Wen, sp. nov. (Fig. 2) Index Fungorum number: IF559584; Facesoffungi number: FoF13863 Etymology:— Fertile head is small. Holotype:— HKAS 122630 Parasitic on ants (Hymenoptera, Formicidae). Host 1.2 cm long, red-brown, with white mycelium on the surface. Sexual morph:— Stromata 11 mm long, stipitate, double, unbranched, arising from the head and thorax of ant, pale yellow to orange. Stipe 8–9 mm long, 0.2–0.4 mm diam., pale yellow to orange, fleshy, cylindrical. Fertile head 2.5 mm long, 0.5–0.8 mm diam., single, clavate, surface roughened, orange. Perithecia 250–300 × 130–210 μm (x = 273 × 148 µm, n = 10), superficial, pale yellow-orange, ovoid. Asci 63–114 × 1.4–3.6 μm (x = 87 × 2.4 µm, n = 10), narrow cylindrical, hyaline, with a thickened apical cap. Apical cap 1.4–2.4 × 2.1–3.1 μm (x = 1.8 × 2.7 µm, n = 15), hyaline. Ascospores as long as asci, 0.2–0.5 μm (x = 0.3 µm, n = 10) diam., filiform, hyaline. Culture characteristics:— colonies on PDA, attaining a diameter of 29–34 mm after 19 d at 20 ° C, dense, cottony, white, ringed, reverse yellowish. Hyphae smooth, septate, hyaline, 0.7–3.25 μm (x = 1.7 µm, n = 30) diam. Phialides 11–25 × 0.8–1.4 µm (x = 17.2 × 1.1 µm, n = 5), solitary, smooth, lancelate. Conidia 3.8–17.1 × 1.1–2.4 µm (x = 9.6 × 1.6 µm, n = 40), cylindrical, smooth, aseptate or 1–2 septate. Material examined:— CHINA. Guizhou Province: Chishui Waterfall, on dead ant (Hymenoptera; Formicidae), 4 April 2021, collected by Xing-Can Peng (holotype HKAS 122630; ex-type living culture CS21040411).
Published as part of Peng, Xing-Can, Xiao, Yuan-Pin, Zhang, Yan, Chomnunti, Putarak, Tangtrakulwanich, Khanobporn & Wen, Ting-Chi, 2023, Cordyceps poluscapitis sp. nov., an ant-pathogenic fungus from Guizhou, China, pp. 239-251 in Phytotaxa 599 (4) on pages 245-247, DOI: 10.11646/phytotaxa.599.4.3, http://zenodo.org/record/8030209
Databáze: OpenAIRE