Taxonomy of the Cixiidae (Hemiptera, Fulgoromorpha) from the Madeira archipelago
Énio FREITAS & Dora AGUIN-POMBO
1-37, Published on 05 April 2021, art. 744 (1)
First record of the genus Augilina Melichar, 1914(Hemiptera, Fulgoromorpha, Caliscelidae) from China, with descriptions of two new bamboo-feeding species
Nian GONG et al.
38-48, Published on 06 April 2021, art. 744 (38) 
Sigambra sundarbanensis sp. nov. (Annelida, Pilargidae) from the Indian sector of Sundarbans Estuarine System,with remarks on parapodial glands
Moumita BHOWMIK et al.
49-66, Published on 07 April 2021, art. 744 (49) 
A new apterous rove beetle genus (Coleoptera: Staphylinidae) from the Northern Andes with an assessment of its phylogenetic position
Stylianos CHATZIMANOLIS & Adam J. BRUNKE
67-82, Published on 08 April 2021, art. 744 (67) 
Taxonomic study of the genus Microplitis Förster, 1862(Hymenoptera, Braconidae, Microgastrinae) from Iran
Parisa ABDOLI et al.
83-118, Published on 09 April 2021, art. 744 (83) 
Review of the species of Stenothemus from Southeast China (Coleoptera, Cantharidae)
Yuxia YANG et al.
119-144, Published on 12 April 2021, art. 744 (119) 
Unravelling the Potamonautes lirrangensis (Rathbun, 1904) species complex (Potamoidea: Potamonautidae), with the description of two new species
Neil CUMBERLIDGE et al.
145-178, Published on 13 April 2021, art. 744 (145) 
