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Jussara quadrimaculata

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Jussara quadrimaculata
Jussara quadrimaculata
Jussara quadrimaculata (Roewer, 1953) (from original description)

Suborder

Eupnoi

Superfamily

Phalangioidea

Family

Sclerosomatidae

Subfamily

Gagrellinae

Genus

Jussara

Jussara quadrimaculata (Roewer, 1953) is a member of the genus Jussara (Eupnoi:Sclerosomatidae).

TaxonomyEdit

SpecimensEdit

DiagnosisEdit

(from Tourinho & Kury, 2003)

Body predominantly blackish-brown. Lateral borders of dorsal scute and carapace with a white stripe. Posterior half of carapace with a blackish-brown spot surrounding eye mound, lateral borders with two blackishbrown small rounded spots, FLS T5 and second prosomatic tergite white, chelicerae and pedipalp cream (Figs 169-171). Anterior margin of carapace straight (Fig. 169).

DescriptionEdit

(from Tourinho & Kury, 2003)

MaleEdit

  • Measurements. Body 4.3 mm, carapace 0.9 mm, dorsal scute 2.9 mm, chelicera 1.5 mm, pedipalps 4.7 mm, penis 1.8 mm.
  • Colour. Eye mound, second prosomatic tergite, legs and ventral surface blackish-brown, anterior border of prosomatic tergite with a narrow white stripe (Figs 169, 171).
  • Dorsal surface. Surface of the body reticulate, only the granular areas white. Supracheliceral laminae distally armed with three-pointed sharp granules. Eye mound armed with sharp-pointed granules.
  • Ventral surface. Lateral borders of genital opercle unarmed, arculi genitales III unarmed.
  • Chelicera. Ventrobasal spine of basichelicerite sharp-pointed (Fig. 173).
  • Pedipalp. As in J. albiarcuata except for: inner apophysis of tibia absent (Fig. 172).
  • Legs. Femoral formula 1/3/1/1.
  • Penis. Shaft twice as wide as glans (Figs 174-175). Winglets rounded, curved only at their posterior margin, very expanded laterally and not very prolonged longitudinally, right and left units of winglets fused only at their anterior portion in ventral view, dorsal and ventral laminae separated from one another at their anterior portion in ventral view (Figs 176, 178). Glans densely covered with simple pores, two pairs of apical setae, the superior pair inserted more anteriorly (Fig. 176). Stylus straight (Figs 175-176).

FemaleEdit

NotesEdit

  • Location: Brazil: Santa Catarina State, Nova Teutônia (27° 03’00’’S, 52°24’00’’W)

LiteratureEdit

ReferencesEdit

  1. Roewer, C.F. (1953a) Neotropische Gagrellinae (Opiliones, Arachnidae). (Weitere Weberknechte XVII). Mitteilungen aus dem Zoologischen Museum in Berlin, Berlin, 29(1), 180-265.
  2. Tourinho, A.L., & Kury, A.B., 2003. A review of Jussara, with descriptions of six new species (Arachnida, Opiliones, Sclerosomatidae) from Brazil. Tropical Zoology, 16(2): 209-275.

Additional ImagesEdit

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