Hypocreales » Cordycipitaceae » Beauveria

Beauveria medogensis

Beauveria medogensis Imoulan & Y.J. Yao, Invert. Path. 139: 79 (2016)

Index Fungorum number: IF 570256; Facesoffungi number: FoF 13954

Saprobic on insect cuticle. Colony woolly white. Mycelium 1.12.2 ( = 1.6, n = 30) µm in wide, hyaline, branched, smooth-walled. Conidiophores up to 10 µm long, 2.4 µm wide, micronematous, cylindrical, aseptate, arising from anastomosing mycelia. Conidiogenous cells 23 ( = 2.3, n = 20) µm in diam., occurring in dense cluster at the apex of conidiophores, giving an appearance of globose head, base globose, apex with an indeterminate, geniculate, denticulate rachis. Conidia 1.52.5 ( = 2, n = 30) µm in diam., hyaline, globose, aseptate, smooth-walled.

Culture characteristics Colonies on PDA reaching 3.5 cm after 7 days at 25 °C, white, fluffy, circular, margin entire, mycelia loose, reverse similar with upper view in colour.

Material examined China, Yunnan Province, Kunming City, Xishan District, Western hill park, on cuticle of decaying insect on leaf litter, 27 July 2018, De-Ping Wei, XS2710 (HKAS 102452), living culture KUNCC 21-10506.

Molecular data LSU (OQ127378), SSU (OQ127307), ITS (OQ127343), TEF (OQ186370), RPB1 (OQ186439).

Notes Beauveria medogensis was isolated from soil in Tibet, China by Imoulan et al. (2016). Our strain (HKAS 102452) phylogenetically clusters with B. medogensis with strong support. Morphologically, it shares similar characteristics with B. medogensis in having beauveria-like conidiophores and globose hyaline conidia.



Beauveria medogensis (HKAS 102452) j Colonies on hosts. k Close-up of colonies. l Conidial mass. m Conidiophores and phialides. n Conidia. Scale bar: j = 5000 μm, k = 500 μm, l = 20 μm, m = 5 μm, n = 3 μm (m stained with Congo red solution).


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