Ljania Thor, 1898

Ao, Min, Yi, Tian-Ci & Guo, Jian-Jun, 2021, The first record of the water mite genus Ljania Thor, 1898 (Acari, Hydrachnidiae Aturidae) from China, with description of two new species, Zootaxa 4970 (2), pp. 391-398 : 392

Genus Ljania Thor, 1898

Diagnosis. After Smit & Pešić (2014): Idiosoma with complete dorsal and ventral shield; dorsal furrow with one pair of lateroglandularia in shallow lateral indentations of the dorsal shield; three pairs of genital acetabula, Ac plates fused with the ventral shield in males but separate in females ( Figs. 1B , 2B , 3B ); a prominent ridge present on each side extending anterolaterally from insertions of IV-L; Posterolateral suture lines of Cx-IV maybe complete or completely absent; palp without projections or heavy ventral setae; Legs without sexual dimorphism, I-L obviously longer than II-L.

Figures

FIGURE 1. Ljania jini sp. nov., male:A = dorsal view; B = ventral view; C = gnathosoma and chelicera; D = palp; E = I-L-3–6; F = II-L-1–6; G =III-L-2–6; H = IV- L-1–6. Scale bars = 100 μm

FIGURE 2. Ljania jini sp. nov., female: A = dorsal view; B = ventral view; C = gnathosoma and chelicera; D = palp; E = I-L- 1–6; F = II-L-1–6; G =III-L-2–6; H = IV-L-1–6. Scale bars = 100 μm

FIGURE 3. Ljania guangxiensis sp. nov., female:A = dorsal view; B = ventral view; C = I-L-1–6; D = II-L-1–6; E = III-L-1–6; F = IV-L-1–6; G = gnathosoma and chelicera; H = palp. Scale bars = 100 μm