Three new species of shell-boring Dipolydora (Annelida: Spionidae: Polydorini) from the South China Sea and the Gulf of Thailand, Vietnam, with comments on the modified spines in posterior notopodia and sperm morphology in polydorins
A new species of six-gilled hagfish (Myxinidae: Eptatretus) from the Lakshadweep Sea
A new fairy shrimp, Branchinecta piurae sp. nov. (Branchiopoda: Anostraca), from Peru
The genus Crostis Casey (Coleoptera: Curculionidae: Baridinae) in North America
Larval description of Limnephilus barbagaensis Malicky, Sekhi & Lounaci 2019 (Trichoptera: Limnephilidae), a micro-endemic of Algeria, with notes on its ecology
Two new species of Pyrocoelia Gorham (Coleoptera: Lampyridae) from Southwest China
Pygmy grasshoppers of the genus Xistra Bolívar, 1887 (Orthoptera: Tetrigidae: Metrodorinae)
Reconsideration of the status of subspecies in the Japonicus Group of the subgenus Hulecoeteomyia Theobald of Aedes Meigen (Diptera: Culicidae)
