Javalbia magna, Smit, 2016

Smit, H., 2016, The water mite family Aturidae Thor, 1900 from Southeast Asia (Acari: Hydrachnidia) with the description of one new genus and 14 new species, Acarologia 56 (3), pp. 341-365 : 354

Javalbia magna n. sp.

( Figure 9 )

Material examined — Holotype female, Stream crossing road to Phu Goom Khao, Nam Nao NP, Thailand, 16°38.410N 101°34.886E, alt. 803 m a.s.l., 16-xi-2007.

Diagnosis — Relatively large size (L/W 478/365), dgl-1 and postocularia more or less in a line, A2 not fused with dorsal shield, vgl-4 lying free.

Description — Female: Idiosoma yellowish, dorsally 478 long and 365 wide, ventrally 446 long. Dorsal shield with a short posterior extension, and with four pairs of glandularia; postocularia more or less in a line with dgl-1. Excretory pore fused with dorsal shield. A2 not fused with dorsal shield. Three pairs of small glandularia platelets in dorsal furrow. Suture lines of coxae obliterated. Cxgl- 4 halfway between fourth leg sockets and genital field. Genital field with three pairs of acetabula, acetabula 2 lying directly posterior to acetabula 1. Vgl-4 not fused with coxae. Length of P1-5: 24, 40, 38, 60, 34. Length of I-leg-4-6: 60, 60, 56. Length of IV-leg-4-6: 80, 80, 72. Legs without swimming setae. Male: Unknown.

Etymology — Named for its relatively large size.

Remarks — Other Javalbiopsis species with the postocularia lying in a line with dgl-1 are J. africana Cook, 1966 , J. antama Cook, 1967 , J. persica Peši´c, Smit and Saboori, 2012 and J. borneoensis Smit and Peši´c, 2014, but all these species have A2 fused with the dorsal shield.

Figures

FIGURE 9: Javalbia magna n. sp., holotype female: A – dorsum; B – venter; C – palp. Scale bars = 50 µm.