As knowledge of inland water Copepoda Crustacea of the world becomes more refined, revisions of taxonomic groups have sometimes lead to major modifications in defining the species and genera.
New criteria and fixed microcharacters are also used.
In order to make better use of the old works and to reduce the "currents" errors to a minimum, a catalogue of the presently known species and subspecies was clearly needed.
The authors previously attempted an approach of this type regarding freshwater Calanoids (1983) and Cyclopoids (1985). In this volume they present the Harpacticoid group which is the last of those studied in inland waters of the world.
This catalogue is considered up to date as of December 1987.
A new species of harpacticoid copepod was discovered on submerged mosses of a high Andean lake in Colombia. The diagnostic characters of the male and female canthocamptid Elaphoidella paramuna n. sp. are based on the chaetotaxy of legs 1 to 4, morphology of leg 5, armature of anal urosomite, size and armature of anal operculum and morphology, armature and ornamentation of caudal rami. It belongs to the group X of Lang (1948); its relationships with Elaphoidella pectinata, E. armata and E. brevifurcata are discussed. The 35 species and subspecies of Elaphoidella known in the Neotropical region are assigned to groups I, II, VII, VIII and X of Lang’s system (1948). Identification keys to Colombian Elaphoidella species are provided.
A new species of Moraria collected from interstitial waters of southern Germany is described. The new species Moraria glitzae n. sp. can be differentiated from other members of the genus by a combination of morphological traits related to the shape of the anal operculum, the armature of leg 4 and the ornamentation of the urosome in both sexes. Males of M. glitzae n. sp. have a typical number of armature elements on the endopods of legs 2 to 4, some of which with unique morphology. Females can be distinguished from those of other species of the genus by the number of antennular segments, the number of setae on the exopod of the antenna and the mandibular palp, the armature of legs 1, 3 and 4, and the size and armature of leg 5. The relationship of the new species to closely related species, viz., M. catalana, M. jana, M. stankovitchi and M. varica is discussed. The morphological differences to other species inhabiting groundwaters and epigean habitats of the region, viz., M. alpina, M. brevipes, M. fontinalis, M. mrazeki mrazeki, M. mrazeki macedonica, M. pectinata, M. poppei and M. radovnae are presented. A distribution map of the Moraria species known from Germany and a dichotomous identification key of the 20 species from the Western Palaearctic Region are provided.