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Synthetonychia oparara

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

Suborder

Laniatores

Superfamily

Travunioidea

Family

Synthetonychiidae

Genus

Synthetonychia

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

TaxonomyEdit

SpecimensEdit

  • S.o. male(1) (holotype): Canterbury Museum, Christchurch; #907[1]
  • S.o. female(1) (allotype): Canterbury Museum, Christchurch; #908[1]

DiagnosisEdit

(from Forster, 1954[1])

  • Color: Reddish-brown.
  • Body: The carapace is finely granulate, tergal region with a typical pattern. THe eyes are separated from the anterior margin of the carapace by a distance equal to 1/3 of the length of the scute, separated from each other by a distance equal to 2x their diameter. The shape of the genital operculum is shown in Fig. 754, sub-triangular, only slightly longer than wide.
  • Genitalia: The aedeagus is slender and tubular, with a pair of small spines at the mid-ventral surface. 6 setae present at the base of the aedeagus as shown in Fig. 753. Dorsal and ventral plates absent.
  • Chelicerae: Typical.
  • Pedipalls: (Fig 751). There is a prominent swelling on the ventral surface of the trochanter and the proximo-ventral surface of the femur. The disto-dorsal process of the tibia is strong, digitiform. The tarsus is slender and straight, tarsal spine small, stout, equal to ½ length of tarsal claw.
  • Legs: Few small tubercles on femora, legs otherwise smooth. Tarsal formula 3.5.4.4. Tarsal claws 3 and 4 as shown in Fig. 755, only 4 lateral branches, accessory spine present, arolium extending beyond median branch.
  • Measurements (mm): Scute: 1.00x1.00; Legs: 2.17, 2.79, 2.54, 3.15; Pedipalp: 1.80; Chelicera: 0.46
  • Female: Similar in structure to male except in a few characters. The genital operculum is wider than it is long. The pedipal is as shown in Fig. 752, 3 small tubercles on the proximo-ventral surface of the femur, lacking tibial process and tarsal spine.
  • Measurements (mm): Scute: 1.25x1.13; Legs: 2.39, 2.77, 2.51, 3.19; Pedipalp: 2.09; Chelicera: 0.47

NotesEdit

  • Location: Oparara, Karamea, New Zealand (South Island)[1]

LiteratureEdit

  • Forster, 1954:284[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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