Description of four new species of the subgenus Tachycines (Gymnaeta) Adelung, 1902 (Orthoptera: Rhaphidophoridae) from caves in China and additional notes on some previously known species
A review of the Himalayan genus Trypheridium Brancucci (Coleoptera: Cantharidae: Chauliognathinae) with description of a new species
R. M. ZUBAIR et al.
18-36, Published on 20 August 2021, art. 764 (18) 
Longhorned woodboring beetles (Coleoptera, Cerambycidae) from Cusuco National Park, Honduras: new species, new records, and revalidation
Antonio SANTOS-SILVA et al.
37-61, Published on 23 August 2021, art. 764 (37) 
Taxonomic revision of the genus Oplognathus MacLeay, 1819 (Coleoptera: Scarabaeidae: Rutelinae: Rutelini)
Tamara G. CARVALHO et al.
62-84, Published on 24 August 2021, art. 764 (62) 
Phylogenetic relationships based on morphological data and taxonomy of the genus Salvadora Baird & Girard, 1853 (Reptilia, Colubridae)
Carlos A. HERNÁNDEZ-JIMÉNEZ et al.
85-118, Published on 25 August 2021, art. 764 (85) 
Head in the clouds: a new dwarf frog speciesof the Physalaemus signifer clade (Leptodactylidae, Leiuperinae)from the top of the Brazilian Atlantic Forest
Fernando LEAL et al.
119-151, Published on 26 August 2021, art. 764 (119) 
Six new species of Tipula (Vestiplex) Bezzi (Diptera, Tipulidae) from Tibet
Qi-cheng YANG et al.
152-192, Published on 27 August 2021, art. 764 (152) 
