Glenognatha januari Cabra-García & Brescovit 2016
- Dataset
- Revision and phylogenetic analysis of the orb-weaving spider genus Glenognatha Simon, 1887 (Araneae, Tetragnathidae)
- Rank
- SPECIES
- Published in
- Jimmy Cabra-García, Antonio D. Brescovit (2016): Revision and phylogenetic analysis of the orb-weaving spider genus Glenognatha Simon, 1887 (Araneae, Tetragnathidae). Zootaxa 4069 (1): 1-183, DOI: 10.11646/zootaxa.4069.1.1
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Arachnida
- order
- Araneae
- family
- Tetragnathidae
- genus
- Glenognatha
- species
- Glenognatha januari
description
Male (holotype). Habitus as in Figures 75 A – D. Carapace pale brown, darker on sides and with a diffused dusky patch from the median eyes to the cephalic fovea. Sternum dusky brown, with darker bands towards the median region. Abdomen spherical, strongly depigmentated, dorsally with irregular greyish patches and scattered silver guanine spots. Venter with a pale black median band. Legs yellow-brownish with darker bands at the base of the segments. Total length 1.77. Cephalothorax 0.77 long, 0.60 wide, 0.50 high. Abdomen 0.92 long, 0.75 wide, 0.75 high. Sternum 0.35 long, 0.42 wide. Eye diameters and interdistances: AME 0.08. ALE 0.05. PME 0.07. PLE 0.06. AME-AME 0.05, AME-ALE 0.05, PME-PME 0.07, PME-PLE 0.08, ALE-PLE 0.01. Clypeus height 1.20. Chelicerae slightly lighter than the cephalothorax. Three promarginal and four retromarginal teeth (Figs. 75 E – G). Anterior tooth near the fang base (Fig. 75 G). Leg measurements: I: femur 0.80, patella 0.22, tibia 0.75, metatarsus 0.70, tarsus 0.45, total 2.92; II: 0.67, 0.22, 0.70, 0.61, 0.45, 2.66; III: 0.50, 0.18, 0.40, 0.42, 0.28, 1.80; IV: 0.75, 0.17, 0.60, 0.55, 0.30, 2.37. DTS 0.10. DTE 0.34. Palp as in Figures 76 E – H. Embolus short, almost completely enclosed by the conductor (Figs. 76 A, E – H). Female. Unknown. Variation. Male total length 1.65 – 1.77 (N = 4; average 1.72), cephalothorax length 0.62 – 0.75 (N = 4; average 0.72), femur I length 0.8 – 0.85 (N = 4; average 0.81).
description
Types. Male holotype from Lago Janauari, Manaus, Amazonas, Brazil, 3 º 20´S, 60 º 17´W, elev. [12 m], vi. 1987 – vii. 1988, J. Adis et al. leg., deposited in IBSP 120209; Paratypes: 1 ♂ same data as the holotype deposited in IBSP 120266.
diagnosis
Diagnosis. Males of G. januari resemble those of G. heleios, G. iviei, G. caaguara and G. camisea by the presence of anterior tooth (Fig. 75 G). They are distinguished from the latter species by the serrated distal margin of the conductor (Figs. 76 B – C).
distribution
Distribution. Known only from the type locality in the state of Amazonas, Brazil (Fig. 133).
etymology
Etymology. The species epithet is a noun in apposition taken from the type locality.
materials_examined
Material examined (N = 2). BRAZIL: Amazonas: Manaus, Lago Janauari, 3 º 20´S, 60 º 17´W, elev. [12 m], vi. 1987 – vii. 1988, J. Adis et al. leg., 1 ♂ (IBSP 120166); 1 ♂ (IBSP 120220).