Rachias timbo

Rachias timbo
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Family: Nemesiidae
Genus: Rachias
Species: R. timbo
Binomial name
Rachias timbo
Goloboff, 1995[1]

Rachias timbo is a mygalomorph spider of Argentina, named after its type locality: El Timbó, Iguazú, Misiones.[2] R. timbo differs from Brazilian Rachias species (with similar genitalia) by being smaller and having lower keels on the male embolus.

Description

Total length of the male paratype was 16.50 millimetres (0.650 in). The length of its cephalothorax was 5.95 millimetres (0.234 in), and width 4.25 millimetres (0.167 in); cephalic region measured 3.55 millimetres (0.140 in) in length, width 5.70 millimetres (0.224 in). Its labium length was 0.45 millimetres (0.018 in), width 1.00 millimetre (0.039 in) and they have no cuspules. Its sternum measures 3.00 millimetres (0.118 in) in length, width 2.46 millimetres (0.097 in) and has a thin reborder. Serrula were absent. Chelicerae: rastellum formed by strong, thick but long and attenuate setae. Its inner margin had 10 or 11 small, widely spaced teeth. Its cephalothorax and femora of legs and palpi were greenish-bluish brown; patellae and the rest of its joints were orange brown. Its abdomen was yellowish-brown with dorsal mottling.[2]

Distribution

Misiones Province.

See also

References

  1. "Taxon details Rachias timbo Goloboff, 1995". World Spider Catalog. Natural History Museum Bern. Retrieved 2016-04-15.
  2. 1 2 Goloboff, Pablo A. "A revision of the South American spiders of the family Nemesiidae (Araneae, Mygalomorphae). Part 1, Species from Peru, Chile, Argentina, and Uruguay. Bulletin of the AMNH; no. 224." (1995).
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