Oxus (Oxus) fuscus, 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: 15

publication ID

http://dx.doi.org/10.11646/zootaxa.3876.1.1

publication LSID

lsid:zoobank.org:pub:071AFC59-C2EA-429A-8511-BAC5C4539C04

persistent identifier

http://treatment.plazi.org/id/03D48784-A925-FFB8-FF35-14C2FE45F99A

treatment provided by

Plazi

scientific name

Oxus (Oxus) fuscus
status

n. sp.

Oxus (Oxus) fuscus  n. sp.

( Figs. 7 A –CView FIGURES 7 A – C)

Type series. Holotype female, Mahua stream, Mahua, Crocker  Range, Borneo, Malaysia, 5 º 47.838 N 116 º 24.510 E, alt. 1052 m asl, 21 -ix- 2012 ( RMNH). Paratypes: One female, Unnamed creek Bansadon Trail, Inobong, Crocker  Range, Borneo, Malaysia, 5 º 51.456 N 116 º 0 8.403 E, alt. 436 m asl, 18 -ix- 2012 ( RMNH); one male, Kibamabangan River at waterfall, Inobong, Crocker  Range, Borneo, Malaysia, 5 º 51.280 N 116 º 0 8.417 E, alt. 433 m asl, 18 -ix- 2013 ( RMNH); one female, Little Lumotok stream, Sayap, Borneo, Malaysia, 6 º 0 9.497 N, 116 º 34.027 E, alt. 1069 m asl., 17.ix. 2012 ( RMNH); one female, Silau-Silau stream near park headquarters, Mt Kinabalu, Borneo, Malaysia, 6 º 0 0.595 N 116 º 32.497 E, alt. 1566 m asl, 10 -ix- 2012 (SP).

Diagnosis. Small in size (length <550), dorsal furrow without glandularia or platelets, P 5 very slender, terminal seta of IV-leg- 6 longer than segment.

Description. Female: Colour brownish, idiosoma 526 (502–527) long, 227 (219–239 – 251) wide and 296 (284–292) high. Dorsal furrow without glandularia or platelets. Tips of Cx-I with two stout curved setae, one short and one long. Coxal surface with a punctate pattern, near anterior margin reticulated. Genital field with three pairs of acetabula, anterior pair long and narrow, central and posterior pair gradually shorter. Posterior of genital field lies the excretory pore, but not visible in ventral view. Length/height of P 1 -P 5: 26 /18, 33/18, 32/20, 41/16, 22/ 6. P 3 with two long anterodorsal setae, P 5 very slender. Length of IV-leg- 5–6: 56, 60; terminal seta of IV-leg-6, 94 long.

Male: In all aspects similar to female. Idiosoma 494 long and 263 high.

Etymology. Named for its brown colour.

Remarks. The new species is closest to Oxus lewisi ( Wiles, 1999)  , known from Brunei. With a length of 827, O. lewisi  is much larger, with larger palp and leg segments and the terminal seta of IV-leg- 6 equal in length to segment.

Distribution. Borneo.

RMNH

National Museum of Natural History, Naturalis

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Trombidiformes

Family

Oxidae

Genus

Oxus