Acanthogonatus alegre explained
Acanthogonatus alegre is a mygalomorph spider of Chile, its name using the Spanish word for “happy”, referring to the aspect of a happy face that the female epigastrium has in posterior view.[1] Females are recognized by the epigastrium produced in a membranous extension and the long, slender and bifurcated spermathecae.
Description
- Female: total length 23.3mm; cephalothorax length 8.4mm, width 6.2mm; cephalic region length 5.35mm, width 4.2mm; fovea width 0.75mm; medial ocular quadrangle length 0.67mm, width 1.25mm; labium length 0.67mm, width 1.37mm; sternum length 4.12mm, width 3.1mm. Its cephalic region is flat, low and narrow, with its fovea slightly procurved and with a small posterior notch. Its labium possesses 1 cuspule. A well-developed serrula is present. Its sternal sigilla is oval, elongated, small and shallow; its sternum is rebordered. Chelicerae: rastellum is absent. Its spermathecae has a conspicuous epigastric projection. Its cephalothorax, legs and chelicerae are an olive brown colour with golden hairs, while its abdomen is lighter, with a darker chevron similar to the one in A. campanae.
Distribution
Known only from its type locality: Antofagasta, (Region II) Chile.
See also
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).