Abelaturus schwoerbeli

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This page should be cited as follows (rationale):
Pesic, Vladimir, Smit, Harry, Datry, Thibault (2010) Water mites (Acari: Hydrachnidia) from the hyporheic waters of the Selwyn River (New Zealand), with descriptions of nine new species. Zootaxa 2355 : 16 – 18, doi. Versioned wiki page: 2016-04-08, version 85448, https://species-id.net/w/index.php?title=Abelaturus_schwoerbeli&oldid=85448 , contributors (alphabetical order): PlaziBot.

Citation formats to copy and paste

BibTeX:

@article{Pesic2010Zootaxa2355,
author = {Pesic, Vladimir AND Smit, Harry AND Datry, Thibault},
journal = {Zootaxa},
title = {Water mites (Acari: Hydrachnidia) from the hyporheic waters of the Selwyn River (New Zealand), with descriptions of nine new species},
year = {2010},
volume = {2355},
issue = {},
pages = {16 -- 18},
doi = {TODO},
url = {},
note = {Versioned wiki page: 2016-04-08, version 85448, https://species-id.net/w/index.php?title=Abelaturus_schwoerbeli&oldid=85448 , contributors (alphabetical order): PlaziBot.}

}

RIS/ Endnote:

TY - JOUR
T1 - Water mites (Acari: Hydrachnidia) from the hyporheic waters of the Selwyn River (New Zealand), with descriptions of nine new species
A1 - Pesic, Vladimir
A1 - Smit, Harry
A1 - Datry, Thibault
Y1 - 2010
JF - Zootaxa
JA -
VL - 2355
IS -
UR - http://dx.doi.org/TODO
SP - 16
EP - 18
PB -
M1 - Versioned wiki page: 2016-04-08, version 85448, https://species-id.net/w/index.php?title=Abelaturus_schwoerbeli&oldid=85448 , contributors (alphabetical order): PlaziBot.

M3 - doi:TODO

Wikipedia/ Citizendium:

<ref name="Pesic2010Zootaxa2355">{{Citation
| author = Pesic, Vladimir, Smit, Harry, Datry, Thibault
| title = Water mites (Acari: Hydrachnidia) from the hyporheic waters of the Selwyn River (New Zealand), with descriptions of nine new species
| journal = Zootaxa
| year = 2010
| volume = 2355
| issue =
| pages = 16 -- 18
| pmid =
| publisher =
| doi = TODO
| url =
| pmc =
| accessdate = 2020-02-10

}} Versioned wiki page: 2016-04-08, version 85448, https://species-id.net/w/index.php?title=Abelaturus_schwoerbeli&oldid=85448 , contributors (alphabetical order): PlaziBot.</ref>


Taxonavigation

Ordo: Trombidiformes
Familia: Aturidae
Genus: Abelaturus

Name

Abelaturus schwoerbeli Pesic & SmitWikispecies linkPensoft Profile

  • Abelaturus schwoerbeli Pesic, Vladimir, 2010, Zootaxa 2355: 16-18.

Materials Examined

Type material.Holotype: male dissected and slide mounted in Hoyer's fluid. New Zealand, South Island: Selwyn River near Old Bridge, 20.x. 2004. Paratypes: 1 /0/0, same data as holotype; 1 / 1 /0 (mounted), Selwyn River near Chamberlain's Ford, 04.vi. 2004; 1 /0/0, Selwyn River near Chamberlain's Ford, 23.v. 2005.

Diagnosis

Diagnosis. The free glandularium 2 fused with the posterolateral platelet; idiosoma more rounded (ventral shield L/W ratio, 1.07–1.14 in male, 1.2 in female); capitular bay a deep V-shape.

Description

Description.Male (holotype, in parentheses measurements of paratype). Integumental pigment absent; eye pigment reduced; surface of sclerites rugose (as shown in Fig. 2 G–H); dorsal shield (Fig. 12 A) L 249 (230), W 215 (204); anteromedial plate L 120 (102), W 164 (149); anterolateral platelets bearing a pair of glandularia; posterolateral platelets with one pair of glandularia (in the holotype the lines of fusion of this platelet with glandularium 2, on one side of the body, are well visible); posteromedial plate bearing two pairs of glandularia; anterodorsal portion of ventral shield forming a rectangular hood (Fig. 12 E); excretory pore located dorsally on a moderately developed terminal tubercle (Fig. 12 G); ventral shield (Fig. 12 D) L 319 (294), W 279 (275); capitular bay V-shaped, L 51 (51); tips of first coxae truncate, second and third coxae somewhat pointed; anterior three pairs of coxae with well developed intercoxal slots; projections associated with insertions of IV-L very broad and extending posterolaterally; a short apodeme and a glandularium on each side medial to insertions of IV-L; gonopore located well anterior to the posterior end, L 19 (19), W 10 (8); acetabula difficult to see in the rugose integument but several pairs seem to be present; palp (Fig. 12 B–C): total L 138 (134), dL: P- 1, 19 (19); P- 2, 32 (30); P- 3, 20 (18); P- 4, 45 (44); P- 5, 22 (23); %L: P- 1, 13.8 (14.2); P- 2, 23.2 (22.4); P- 3, 14.5 (13.4); P- 4, 32.6 (32.8); P- 5, 15.9 (17.2); P- 4 noticeably swollen and without ventral projections; capitulum (Fig. 12 B) much longer than high with palp inserted well proximal of tip, ventral L 83 (81); capitulum attached to a tube of soft integument to produce protrusible mouth parts; dL of IV-L- 1-6: 38 (29), 51 (49), 20 (21), 25 (25), 28 (25), 43 (39); maximum H of IV-L- 2, 23 (22); IV-L- 2 L/H ratio, 2.2 (2.2); chaetotaxy of IV-L as illustrated in Fig. 12 H; swimming hairs absent. Female. Similar to male except for genital field (Fig. 12 F); dorsal shield L 255, W 231; anteromedial plate L 121, W 163; ventral shield L 344, W 273; capitular bay L 54; gonopore terminal, L 45, W 23; palp (Fig.): total L 135, dL and %L (in parentheses): P- 1, 18 (13.3); P- 2, 32 (23.7); P- 3, 19 (14.1); P- 4, 42 (31.1); P- 5 24 (17.8); capitulum ventral L 84.

Etymology

Etymology. Named in the memory of Professor Jürgen Schwoerbel in appreciation of his studies of New Zealand water mites.

Discussion

Remarks. This is the third known species of the genus Abelaturus Cook, 1983. The first, A. cornophorus Cook, 1983 was collected in the hyporheic zone of streams on both North and South Islands (Cook 1983); the second one, A. ogalus Cook, 1991 was collected from driven wells in the vicinity of Nelson, South Island (Cook 1991). The new species can be distinguished in the glandularia 2 which lie free in the integument in the two aforementioned species, but are incorporated into the posterolateral plate in A. schwoerbeli. Due to the absence of pointed projections on the margin of the ventral shield the new species resembles A. ogalus Cook (and differs from A. cornophorus Cook). It differs from A. ogalus in the more rounded shape of idiosoma, with a relatively deeper capitular bay. Ecology. The material was collected from May to November from perennial-gaining part of Selwyn River, in the costal plain region.

Taxon Treatment

  • Pesic, Vladimir; Smit, Harry; Datry, Thibault; 2010: Water mites (Acari: Hydrachnidia) from the hyporheic waters of the Selwyn River (New Zealand), with descriptions of nine new species, Zootaxa 2355: 16-18. doi
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