Albaxona mahuaensis, 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: 49

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Albaxona mahuaensis

n. sp.

Albaxona mahuaensis  n. sp.

( Fig. 29 A –CView FIGURES 29 A – C)

Type series. Holotype male, 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. Idiosoma elongated, postocularia relative far from each other, dgl- 3 and dgl- 4 lying anteriorly, gonopore of male with subparallel margins, genital field fused with ventral shield.

Description. Male: Idiosoma elongate, dorsally 387 long and 255 wide, ventrally 421 long. Eyes absent. Dorsal shield with postocularia and four pairs of glandularia, 372 long and 198 wide. Suture lines of coxae incomplete, suture lines of Cx-I and Cx-II distinct, other suture lines indistinct, posterior margin of fourth coxae not visible. A pair of glandularia halfway fourth leg sockets and genital field. Genital field fused with ventral shield, with the three pairs of acetabula lying in a triangle. Gonopore somewhat rectangular, 40 long and 32 wide. Length/height of P 1 –P 5: 22 /15, 42/26, 33/23, 62/18, 28/ 12. Length of I-leg- 4–6: 70, 70, 68. Length of IV-leg- 4–6: 86, 84, 52. Swimming setae absent. Excretory pore not sclerotized.

Female: Unknown.

Etymology. Named after the type locality.

Remarks. The new species differs from A. hexapora ( K. Viets, 1935)  from Java in the more elongated idiosoma. Albaxona javanica Lundblad, 1971  from Java shares an elongated idiosoma, but is smaller, the postocularia are closer to each other and dgl- 3 and - 4 are located more anteriorly.

Distribution. Borneo; known only from the locus typicus.


National Museum of Natural History, Naturalis