Parasoldanellonyx Viets, 1929

Bartsch, Ilse, 2015, The genital area of Halacaridae (Acari), life stages and development of morphological characters and implication on the classification, Zootaxa 3919 (2), pp. 201-259 : 224-225

Parasoldanellonyx Viets, 1929

Type species. Soldanellonyx parviscutatus Walter, 1917 .

Adults. In female genital and anal plate separated. GP with three to ten pairs of slender pgs and, posterolateral to GO, three to nine pairs of external gac. Each genital sclerite with two to three (to six) sgs ( Bartsch 2006c: fig 5- 16b). Ovipositor short, basally with pair of spiniform genital spines, apically with five pairs of similar-sized spines, two pairs in anterior and three pairs in posterior position ( Viets 1933a: fig. 10). In males GP and AP fused. GA with about 70–80 slender pgs. GO smaller and in a more ventral position than in female; three to five pairs of gac arranged as in female ( Bartsch 2006c: fig 5-16e). Each genital sclerite with two or three short sgs. In both sexes AE with pair of epimeral pores, shape of pores same as that of genital acetabula.

Juveniles. With a larval and two nymphal stages. In nymphs GP and AP separated. GP of deutonymph with two pairs of gac and pgs and one pair of sgs. Protonymph with single pair of gac; pgs and sgs lacking. Nymphs and larva with epimeral pores, their shape same as those of adults.

Remarks. Records of the three Parasoldanellonyx species at present known are from the Palaearctic and Nearctic zone ( Bartsch 2009a). They live in freshwater, in groundwater-fed ponds and moist areas.