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Acanthogonatus quilocura

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Acanthogonatus quilocura
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Arachnida
Order:
Araneae
Suborder:
Mygalomorphae
Family:
Nemesiidae
Genus:
Acanthogonatus
Species:
A. quilocura
Binomial name
Acanthogonatus quilocura
Goloboff, 1995

Acanthogonatus quilocura is a mygalomorph spider of Chile, its name referring to the seemingly unending number of species within this genus (“locura” meaning madness in Spanish).[1] Males are similar to those of A. tacuariensis (from Uruguay), from which are distinguished by a curved metatarsus I; female spermathecae are characteristic in having a strongly bent duct arising from the base of a blunt basal dome.

Description

  • Female: total length 29.6 millimetres (1.17 in); cephalothorax length 9.65 millimetres (0.380 in), width 7.45 millimetres (0.293 in); cephalic region length 6.2 millimetres (0.24 in), width 5.4 millimetres (0.21 in); fovea width 1 millimetre (0.039 in); medial ocular quadrangle (OQ) length 0.71 millimetres (0.028 in), width 1.4 millimetres (0.055 in); labium length 0.88 millimetres (0.035 in), width 1.5 millimetres (0.059 in); sternum length 4.9 millimetres (0.19 in), width 3.9 millimetres (0.15 in). Its cephalic region is convex, with its fovea slightly procurved, with a small posterior notch. Its labium possesses 3 cuspules. A well-developed serrula is present. Its sSternal sigilla is small and oval, connected to the sternal margin by a depression; the sternum is slightly rebordered. Chelicerae: the rastellum is formed by thickened, attenuate setae. Spermathecae have their lateral duct strongly bent. Color as in male.[1]
  • Male: total length 19.6 millimetres (0.77 in); cephalothorax length 8.9 millimetres (0.35 in), width 7 millimetres (0.28 in), cephalic region length 5.5 millimetres (0.22 in), width 4.25 millimetres (0.167 in); OQ length 0.69 millimetres (0.027 in), width 1.28 millimetres (0.050 in); labium length 0.83 millimetres (0.033 in), width 1.35 millimetres (0.053 in); sternum length 4.45 millimetres (0.175 in), width 3.48 millimetres (0.137 in). Its labium possesses 1 cuspule. Its serrula is well developed. Its sternal sigilla is elongate, with an outer side depressed, forming a connection with the sternal margin, which is rebordered. Chelicerae: rastellum is absent. Cheliceral tumescence small and pallid, ventrally protruding. Leg I and its metatarsus are curved downwards. The entire spider is a golden brown colour, while its abdomen is yellowish golden-brown with darker brown spots.[1]

Distribution

This species appears to be restricted to Region Metropolitana. It has been collected from burrows similar to A. huaquen.

See also

References

  1. ^ a b c 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).
  • "Acanthogonatus quilocura". Integrated Taxonomic Information System.
  • ADW entry
  • "Acanthogonatus quilocura". The Encyclopedia of Life.
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