Acanthogonatus quilocura explained
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 29.6mm; cephalothorax length 9.65mm, width 7.45mm; cephalic region length 6.2mm, width 5.4mm; fovea width 1mm; medial ocular quadrangle (OQ) length 0.71mm, width 1.4mm; labium length 0.88mm, width 1.5mm; sternum length 4.9mm, width 3.9mm. 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 sternal 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.
- Male: total length 19.6mm; cephalothorax length 8.9mm, width 7mm, cephalic region length 5.5mm, width 4.25mm; OQ length 0.69mm, width 1.28mm; labium length 0.83mm, width 1.35mm; sternum length 4.45mm, width 3.48mm. 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.
Distribution
This species appears to be restricted to Region Metropolitana. It has been collected from burrows similar to A. huaquen.
External links
Notes and References
- 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).
