Javalbia magniseta, Smit, Harry & Pešić, Vladimir, 2014

Smit, Harry & Pešić, Vladimir, 2014, Water mites from Mount Kinabalu and the Crocker Range, Borneo, Malaysia (Acari: Hydrachnidia), with the description of 34 new species, Zootaxa 3876 (1), pp. 1-71: 44-45

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Javalbia magniseta

n. sp.

Javalbia magniseta  n. sp.

( Fig. 26 A –CView FIGURES 26 A – C)

Type series. Holotype female, Mahua stream at crossing with main road, Crocker  Range, Borneo, Malaysia, 5 º 45.225 N 116 º 26.085 E, alt. 752 m asl, 22 -ix- 2012 ( RMNH).

Diagnosis. Dgl- 2 with enlarged hyaline setae.Vgl – 4 separated from ventral shield. Acetabula elongated, lying in a triangle.

Description. Female: Colour yellowish, idiosoma 437 long and 312 wide. Dorsal shield 429 long and 263 wide, with four pairs of glandularia and one pair of setae without glandularia; dgl – 2 with very large, hyaline setae (unfortunately lost during mounting). Dorsal furrow with three pairs of small glandularia platelets; only two pairs of slit organs visible. Genital plates posteriorly fused, with three pairs of elongated acetabula, lying in a triangle. Vgl – 4 separated from ventral shield. Length/height of P 1 –P 5: 18 /16, 36/24, 32/22, 52/18, 26/ 8. Length of I-leg- 4–6: 50, 52, 30 (till tip 50). Length of IV-leg- 4–6: 70, 78, 58. Legs without swimming setae.

Male: Unknown.

Etymology. Named for its large dorsal setae.

Remarks. Javalbia kinabaluensis  n. sp., the only species of the genus with similarly elongated acetabula (in the female sex even longer than in J. magniseta  ), has the setae of dgl- 2 not enlarged.

Distribution. Borneo; known only from the locus typicus.


National Museum of Natural History, Naturalis