Paradiaporthe Senan., Camporesi & K.D. Hyde, gen. nov. MycoBank MB821546.

Index Fungorum number: IF821546; 1 species with sequence data.

Etymology: The name reflects the morphological similarity to Diaporthe.

Type species: Paradiaporthe artemisiae Senan., Camporesi & K.D. Hyde

Saprobic on dead twigs of Artemisia sp. Sexual morph Ascomata solitary, scattered, immersed, becoming erumpent when mature, globose to subglobose, black, coriaceous, ostiolate, papillate. Papilla periphysate with short, wide, prominent ostiole. Peridium thin at the base, gradually thickening towards the neck, comprising inner, hyaline, compressed, thin-walled cells of textura angularis and outer, thick-walled, brown cells of textura angularis. Hamathecium aparaphysate. Asci 8-spored, unitunicate, fusiform to clavate, sessile, apex rounded with a J-, apical ring. Ascospores biseriate, fusiform with pointed ends, medianly 1-septate, hyaline, smoothwalled. Asexual morph Undetermined.

Notes – Paradiaporthe is morphologically comparable to Diaporthe. However, phylogenetically, P. artemisiae is divergent from other genera in Diaporthaceae (Senanayake et al. 2017a). The genus is characterised by erumpent, solitary ascomata with prominent, wide papilla.