Torrenticola cf. pugionirostris (K. Viets, 1939 )

Pešić, Vladimir & Smit, Harry, 2014, Torrenticolid water mites (Acari: Hydrachnidia: Torrenticolidae) from Malaysian Borneo, Zootaxa 3840 (1), pp. 1-72: 26-28

publication ID

http://dx.doi.org/10.11646/zootaxa.3840.1.1

publication LSID

lsid:zoobank.org:pub:CDF827EB-8A66-438F-AC5C-07A7D3D83BB9

DOI

http://doi.org/10.5281/zenodo.5110204

persistent identifier

http://treatment.plazi.org/id/F535879E-7E7D-FFDA-FF0D-F9F6D70BFE61

treatment provided by

Felipe

scientific name

Torrenticola cf. pugionirostris (K. Viets, 1939 )
status

 

Torrenticola cf. pugionirostris (K. Viets, 1939)  

( Figs. 18A–D View FIGURE 18 )

Atractides pugionirostris K. Viets 1939: 432   .

New records. Malaysia, Borneo , Mahua stream, Mahua, Crocker Range, 5º47.838 N, 116º24.510 E, alt. 1052 m asl., 21.ix.2012 Smit, 0/0/1 (mounted) GoogleMaps   .

Morphology

Deutonymph. General features —Idiosoma roundish; frontal platelets fused to each other forming an anterior plate ( Fig. 18A View FIGURE 18 ); gnathosomal bay U-shaped; Cxgl–4 far posterior at margin of Cx-I/II, near insertion of II-L; provisional genital field with four pairs of acetabula ( Fig. 18B View FIGURE 18 ); gnathosomal rostrum long, long, bent dorsally ( Fig. 18D View FIGURE 18 ); cheliceral claw very long, ratio basal segment/claw 1.1; P-2 and P-3 without ventral setae ( Fig. 18C View FIGURE 18 ).

Measurements —Idiosoma L 456, W 375; dorsal shield ( Fig. 18A View FIGURE 18 ) L/W 309/223, ratio 1.39, dorsal plate L 259; shoulder plate L 127, W 50–52, L/W ratio 2.5; anterior plate L 131, W 45, L/W ratio 2.9. Coxal field: L 331, W 326, gnathosomal bay L 97. Provisional genital field L/W 81/98, ratio 0.83; Gnathosoma vL 187; chelicera total L 195, basal segment L 114, claw L 100, L basal segment/claw ratio 1.14; palp total L 232, dL/H, dL/H ratio: P-1, 22/29, 0.75; P-2, 82/35, 2.32; P-3, 37/28, 1.34; P-4, 73/21.5, 3.4; P-5, 18/17, 1.95; P-2/P-4 ratio 1.13.

Remarks. The single deutonymph from this study matches the general morphology of Torrenticola pugionirostris (K. Viets, 1939)   , a species known from Java (K. Viets 1939, Lundblad 1971). This species is characterized by Cxgl-4 shifted far posterior at margin of Cx-I/II, near insertion of II-L, and I– and –II-L insertions are anterior to the dorsal shield when viewed from above ( Wiles 1997). The deutonymph has been described by Lundblad (1971) from Java. However, Lundblad mentioned a provisional genital field with six Ac instead of 8 in the specimen from our study. Thus, our assignment of the specimen from Borneo is tentative, and only with more material of adult specimens in the future will it be possible to clarify the status of this species.

Distribution. Java (K. Viets 1939, Lundblad 1971).

Genus Neoatractides Lundblad, 1941  

Subgenus Allotorrenticola Cook, 1967  

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Trombidiformes

Family

Torrenticolidae

Genus

Torrenticola

Loc

Torrenticola cf. pugionirostris (K. Viets, 1939 )

Pešić, Vladimir & Smit, Harry 2014
2014
Loc

Atractides pugionirostris K. Viets 1939: 432

Viets, K. 1939: 432
1939