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Synthetonychia glacialis

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

Suborder

Laniatores

Superfamily

Travunioidea

Family

Synthetonychiidae

Genus

Synthetonychia

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

TaxonomyEdit

SpecimensEdit

  • S.g. male(1) (holotype): Canterbury Museum, Christchurch; 905[1]

DiagnosisEdit

(from Forster, 1954[1])

  • Color: Reddish-brown.
  • Body: Carapace evenly granulate, tergal region with rows of small granules forming a distinct pattern. The eyes are separated from the anterior margin of the carapace by a distance equal to 2/5 of the length of the scute, separated from each other by a distance equal to 4x their diameter. Genital plate as shown in Fig. 749, similar in shape to S. oliveae, 2x as long as it is wide at the base, with small disto-lateral lobes.
  • Genitalia: Tubular, narrowing distally, ventral surface, with 3 pairs of strong spines, proximal pair curved. There are 4 small setae present on the dorsal surface above the distal pairs of spines (Fig. 748). Dorsal and ventral plates absent.
  • Chelicerae: Typical.
  • Pedipalls: (Fig 746). The trochanter and tibia are similar in structure to S. obtusa but the disto-ventral process of the trochanter is more evenly conical (Fig. 747). The disto-dorsal process of the tibia is somewhat flattened laterally and distended on the ventral surface. Tarsus slender, tarsal spin equal in length with tarsal claw.
  • Legs: Similar in structure to S. obtusa. Tarsal formula 3.5.4.4. Tarsal claws of legs 3 and 4 as shown in Fig. 750, arolium strongly developed, sharply terminated.
  • Measurements (mm): Scute: 1.52x0.96; Legs: 2.01, 3.24, 2.73, 3.60; Pedipalp: 2.16; Chelicera: 0.64

NotesEdit

  • female unknown[1]
  • Location: Franz Josef, Westland, New Zealand (South Island)[1]

LiteratureEdit

  • Forster, 1954:283[1]
  • World Checklist[2]

Additional images - GalleryEdit

ReferencesEdit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 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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