Metabus, AND

Álvarez-Padilla, Fernando, 2007, Systematics of the spider genus Metabus O. P. - Cambridge, 1899 (Araneoidea: Tetragnathidae) with additions to the tetragnathid fauna of Chile and comments on the phylogeny of Tetragnathidae, Zoological Journal of the Linnean Society 151 (2), pp. 285-335: 325

publication ID

http://doi.org/ 10.1111/j.1096-3642.2007.00304.x

persistent identifier

http://treatment.plazi.org/id/038A3406-BF2A-FF09-FD90-FF79FD72FE70

treatment provided by

Felipe

scientific name

Metabus
status

 

SYSTEMATICS OF METABUS AND   TETRAGNATHID SPIDERS 325

( Fig. 22A View Figure 22 ); the epigynum shape, and the posterior origin of the fertilization ducts ( Fig. 22B–E View Figure 22 ).

Description: Female from Anticura, Puyehue National Park, Chile (FAP0354). Habitus as in Figure 22A View Figure 22 . Total length 4.1. Cephalothorax 1.7 long, 1.3 wide, 0.7 high. Sternum 0.8 long and wide. Chelicerae same colour as cephalothorax. Abdomen oval with two dorsal tubercles 2.82 long, 2.97 wide, 1.88 high, venter with two parallel lines of guanine silver patches. AME diameter 0.11. ALE 0.11. PME 0.13. PLE 0.11. Clypeus height 0.7 × AME diameter. AME separation 1.0 × AME diameter. AME–ALE separation 1.3 × AME diameter. PME separation 1.0 × PME diameter. PME–PLE separation 1.2 × PME diameter. Leg I length 6.7, leg II 5.0, leg III 2.9, leg IV 4.2, pedipalp 1.6. Epigynum as in Figure 22B–E View Figure 22 .

Variation: Female total length 3.3–4.1, cephalothorax length 1.6–1.7.

Distribution: Endemic of to Chile ( Fig. 11C View Figure 11 ).

Material examined (N = 12): CHILE: Región X de los Lagos, Osorno, 4.1 Km E of Anticura, trap site 662, 19–26.xii.1982. A. Newton & M. Thayer leg. 1 female ( AMNH) FAP0357; Aguas Calientes, P. N. Puyehue, 500 m, 2–5.i.1982, L. E. Peña   leg. 1 female and 5 immatures ( AMNH) FAP0354 largest female measured; 450 m, 27.i.1986, N. I. Platnick, & R. T. Schuh leg. 1 female ( AMNH) FAP0356; Anticura , E. of Puyehue , 26-31.viii. 1–5.xi.1983, L. E. Peña   leg. 1 female ( AMNH) FAP0355; Antillanca rd. , 470–720 m, 18–24.xii.1982, A. Newton & M. Thayer leg. 1 female ( AMNH) FAP0358; P. N. Puyehue, Anticura , 40°40′0″S, 72°10′30″W, 350 m, 13.xii.2000 − 2.i.2001, J. Miller, F. Álvarez, J. A. Coddington & G. Hormiga leg. 1 female ( USNM) FAP0352 smallest female measured; G. Hormiga leg. 1 female ( USNM) FAP0353 GoogleMaps   .

AMNH

American Museum of Natural History

T

Tavera, Department of Geology and Geophysics

USNM

Smithsonian Institution, National Museum of Natural History