Artonis bituberculata (Thorell)

Levi, H. W., 1964, Redescription of the type species of the spider genera Artonis, Chorizopes and Mecynidis (Araneae: Araneidae and Linyphiidae)., Annals of the Natal Museum 16, pp. 209-214: 3-4

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Artonis bituberculata (Thorell)


Artonis bituberculata (Thorell) 

Anania bituberculata Thorell  , 1895, Descriptive Catalog of the Spiders of Burma, p. 148. Female holotype from Tharrawaddy, Burma in the Museo Civico di Storia Naturale, Genova, examined.

Note. - The specimen has a label indicating " Palon. Fea ". The description indicates that it was collected in Tharrawaddy by Oates.

Description. - Carapace, sternum brown. Coxae yellow. Legs light brown, indications of darker bands on distal segments. Abdomen with little pigment: a gray ring around spinnerets; some black pigment on tubercles and in two transverse lines behind tubercles; some indistinct silvery pigment spots in two rows, one on each side of dorsum, and in two longitudinal rows on venter. Carapace heavily sclerotized. Posterior median eyes slightly larger than anterior medians, lateral eyes slightly smaller than anterior medians. Anterior medians one and one-half diameters apart. Posterior medians one diameter apart and a little more than one diameter from anteriors. Laterals touching each other. Chelicerae with four teeth on anterior margin (fig. 9); on posterior, a carina at base of fang, two teeth and one denticle. Abdomen longer than wide or high, with two humps (figs. 7, 8) and many small, sclerotized spots, the bases of short setae, and a few slightly larger sclerotized spots. Palpus of the female with a claw. Total length 3.9 mm. Carapace 1.4 mm long, 1.0 mm wide. First patella and tibia, 1.3 mm; second, 1.2 mm; third, 0.8 mm. Fourth femur, 1.4 mm; patella and tibia, 1.5 mm; metatarsus, 1.0 mm; tarsus, 0.5 mm.

The epigynum (fig. 11) is a flat plate with the opening on each side framed in a heavier sclerotized area. A median scape is almost transparent. There are two pairs of sclerotized seminal receptacles (fig. 10).