Opisano cztery nowe gatunki roztoczy z rodzaju Geckobia (Prostigmata, Pterygosomidae): G. samambavyensis, G. mananjaryensis, G. andoharonomaitsoensis i G. ifanadianaensis z Madagaskaru. G. bataviensis Vitz. jest nowy dla fauny Wietnamu.
Two new species of Sogana Matsumura, 1914: S. condaoana sp. nov. and S. cucphuongana sp. nov., both from Vietnam are described and illustrated. The species are compared with S. longiceps Fennah, 1978. A key to the species from Vietnam and a distribution map are provided. The genus now contains 10 species. The records of S. longiceps from China are considered as erroneous.
A new freshwater cyclopid, Mesocyclops yenae sp. nov. is described from Central Vietnam. Descriptions of the male, and copepodid stages IV and V are given as well the adult female. Mesocyclops yenae is unique within the genus in having an incompletely sclerotized “pseudosomite” between the pediger 5 and genital double-somite. In the same position, a wholering “pseudosomite” is known in some interstitial copepods only. The conspicously short terminal accessory caudal setae in M. yenae and other similarities in several morphological characters indicate a very close relationship with the Bornean M. brevisetosus Dussart et Sarnita, 1987.