Scytalidium assmuthi G. Mane, R. Avchar, R. Morey & Rohit Sharma

2. Scytalidium assmuthi G. Mane, R. Avchar, R. Morey & Rohit Sharma , Fungal Diversity 130: 86 (2024)

Description and illustration.

Manawasinghe et al. (2024).

Notes.

Scytalidium assmuthi was introduced to accommodate an isolate obtained from the gut of the termite Odontotermes assmuthi feeding on wood logs from the northern Western Ghat ( India) ( Manawasinghe et al. 2024). Scytalidium assmuthi is phylogenetically closely related to S. album , S. aurantiacum , S. rodionovae , S. circinatum , S. terrigenum , and S. tongrenense (Figs 1 View Figure 1 , 2 View Figure 2 ). The distinctions between S. assmuthi and S. album are provided in the notes for S. album . Scytalidium assmuthi is distinguished from S. aurantiacum , S. rodionovae , S. circinatum , S. terrigenum , and S. tongrenense by its unknown sexual morph and production of only chlamydospore-like cells ( Klingström and Beyer 1965; Sigler and Wang 1990; Pavlov et al. 2018; Manawasinghe et al. 2024; Jeong et al. 2025). Furthermore, based on a pairwise comparison of ITS, S. assmuthi (ex-type PYCC 9837 ) differs from S. aurantiacum (ex-type CBS 374.65 ) by 8.2 % (37 / 453 bp, 37 gaps) in the ITS and 9.9 % (87 / 879 bp, 62 gaps) in the LSU; from S. rodionovae (ex-type 3 C) by 3.7 % (17 / 461 bp, four gaps) in the ITS and 0.5 % (4 / 830 bp, one gap) in the LSU; from S. circinatum (ex-type CBS 654.89 ) by 3.3 % (15 / 459 bp, two gaps) in the ITS and 0.9 % (5 / 573 bp, one gap) in the LSU; from S. terrigenum (ex-type KNUF- 23-236) by 8 % (37 / 461 bp, five gaps) in the ITS and 2.9 % (24 / 831 bp, two gaps) in the LSU; from S. tongrenense (ex-type CGMCC 3.28994 ) by 8.9 % (40 / 447 bp, eight gaps) in the ITS and 4 % (33 / 830 bp, two gaps) in the LSU. No additional studies are currently available regarding this species.