Chaetothyrina – Facesoffungi number: FoF 06974
ChaetothyrinaTheiss., Annls mycol. 11(6): 495 (1913).
MycoBank number:MB 976;Index Fungorum number:IF 976;Facesoffungi number: FoF 06974; 15 morphological species (Species Fungorum 2020), 4 species with molecular data.
Type species –Chaetothyrina musarum(Speg.) Theiss., Annls mycol. 11(6): 495 (1913).
≡Chaetothyrium musarumSpeg., Anal. Mus. nac. Hist. nat. B. Aires 6: 297 (1898).
Notes – This genus causes flyspeck disease on various plants and fruits.Chaetothyrinawas placed inMicropeltidaceaebased on its flattened thyriothecium, with interwoven cells (Wu et al. 2011, Hongsanan et al. 2017).Chaetothyrinahowever, differs from other genera inMicropeltidaceaein having inconspicuous superficial hyphae (sometimes this may be absent), dark brown thyriothecia with setae, and 1-septate ascospores (Reynolds & Gilbert 2005, Singtripop et al. 2016, Hongsanan et al. 2017);Micropeltidaceaespecies have bluish or greenish to black thyriothecia, with multi-septate ascospores (Wu et al. 2011, Hongsanan et al. 2015a). Phylogenetically,Chaetothyrinaclusters within the new familyPhaeothecoidiellaceae, Capnodiales (Hongsanan et al. 2017).