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Synthetonychia hughsoni
Synthetonychia hughsoni Forster-1954
Synthetonychia hughsoni Forster, 1954 (from original description)

Suborder

Laniatores

Superfamily

Travunioidea

Family

Synthetonychiidae

Genus

Synthetonychia

Synthetonychia hughsoni Forster, 1954 belongs to the genus Synthetonychia (Laniatores:Synthetonychiidae).

TaxonomyEdit

SpecimensEdit

  • S.h. male(1) (holotype): Canterbury Museum, Christchurch; #896[1]
  • S.h. female(1) (allotype): Canterbury Museum, Christchurch; #897[1]
  • S.h. male(1) (paratype): Canterbury Museum, Christchurch; #898[1]
  • S.h. male(1) (not designated): Canterbury Museum, Christchurch; #902[1]

DiagnosisEdit

(from Forster, 1954[1])

  • Color: Reddish-brown with black shading.
  • Body: Scute similar to gracilis. The eyes are separated from the anterior margin of the carapace by a distance equal to 1/3 of the total length of the scute, separated from each other by a distance equal to 5x the diameter of the eyes. The shape of the genital operculum is as shown in Fig. 764, with prominent lateral lobes on the anterior margin. The width at the base is equal to ¾ of the length.
  • Genitalia: As shown in Fig. 763. The aedeagus is flattened dorso-ventrally with two long slender spines on median surface and two small sub-distal spines. There is an elongate, sub-triangular plate extending from the base of the aedeagus to near the mid-point and two setae at each side of the aedeagus, of which the outermost is the stronger.
  • Chelicerae: Typical
  • Pedipalls: (Fig 761). Tibia without a disto-dorsal process. Tarsal spine small, equal to ½ the length of tarsal claw.
  • Legs: Smooth, apart from a few small tubercles on the femora of legs 1 and 2. Tarsal formula 3.5.4.4. Tarsal claws as shown in Fig. 765. The arolium extends well beyond the median branch.
  • Measurements (mm): Scute: 1.44x1.52; Legs: 3.41, 4.87, 4.17, 5.18; Pedipalp: 2.88; Chelicera: 0.72
  • Female: Similar in structure to male. The tarsus of the pedipalp is stouter than male, lacking spine (Fig. 762). The genital operculum is slightly wider at the base than it is long.
  • Measurements (mm): Scute: 1.52x1.44; Legs: 3.24, 4.53, 3.86, 4.98; Pedipalp: 2.68; Chelicera: 0.65

NotesEdit

  • Location: Greymouth and Punakaiki, New Zealand (South Island)[1]

LiteratureEdit

  • Forster, 1954:287[1]
  • World Checklist[2]

Additional images - GalleryEdit

ReferencesEdit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Forster, R.R. (1954) The New Zealand harvestmen (sub-order Laniatores). Canterbury Museum bulletin, Christchurch, 2, 1–329.
  2. Kury AB, Mendes AC & Souza DR (2014) World Checklist of Opiliones species (Arachnida). Part 1: Laniatores – Travunioidea and Triaenonychoidea. Biodiversity Data Journal 2: e4094. doi: 10.3897/BDJ.2.e4094

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