wygodzinskyi Cavalieri, 1961a: 17 (female). Type locality: Argentina, Tierra del Fuego, Ushuaia, El Tristén, 54°43'59.24"S, 67°54'48.08"W. HT F (MLPA). Distr.- Chile, Argentina (Tierra del Fuego: type locality; PN Tierra del Fuego, Lapataia, 54°49'56.50"S, 68°33'45.20"W). Refs.: Cavalieri, 1961a: 17; Marino & Spinelli, 2001a: 106.
delpontei Cavalieri, 1961b: 169. Type locality: Argentina, Tierra del Fuego, El Tristén, 54°43'59.24"S, 67°54'48.08"W. HT F (MLPA).
NEW RECORDS:
Tierra del Fuego: PN Tierra del Fuego, s/n, 54º51'23.6''S, 68º35'37.3''W, 31 m; PN Tierra del Fuego, sendero de la Baliza, arroyo s/n at bahía Lapataia, 54º51'36.4''S, 68º33'43.7''W, 8 m.
Diagnosis. Large-sized species; segment 3 of the maxillary palpus notoriously longer than the combined length of segments 4 and 5, very widened in its basal portion; metathoracic tarsal ratio 1.16; whitish halterium; two ovoid spermathecae; sternum 9 of the male with a small median projection in its caudal margin, which is slightly excavated; shield-shaped edeago with two sclerotized side bars, blunt apex; later processes of the curved parameters, pointed apices.