Storenosoma grossum, Milledge, 2011

Milledge, G. A., 2011, A Revision of Storenosoma Hogg and Description of a New Genus, Oztira (Araneae: Amaurobiidae), Records of the Australian Museum 63 (1), pp. 1-32 : 20

Storenosoma grossum n.sp.

Figs 18a–d , 27c

Type material. HOLOTYPE ♂, Beech Forest , 38°38'S 143°34'E, 7Apr 1973, MRG ( AMS KS55348 ) . PARATYPES 1♂, Delley’s Dell , Grampians Ranges, 37°08'S 142°26'E, 26 Mar 1974, MRG ( AMS KS4578 ) . 3♀, Otway Ranges , Young Creek Rd, 0.4 km NW of Triplet Falls, 38°40'S 143°29'E, 14 Jun–29 Aug 1995, GAM, ( NMV K4015 ) . 2♀, Otway Ranges , Maits Rest, 10 km W of Apollo Bay, 38°45'S 143°34'E, 22 Feb 1992, GAM, ( NMV K40009 ) .

Other material examined. VICTORIA: 1♂, Macedon , Hogg Collection (1924.3.1.1425) ( BMNH) . 1♀, Delly’s Dell , Silverband Rd, Grampians Range, 22 Mar 1974 , MRG, ( KS 105859) . 1♀, 14 km S of Halls Gap, Lower Silverband Rd , 37°08'S 142°31'E, 24 Mar 1974 , MRG ( KS 105853) (both AMS) . 2♂, Otway Ranges, Phillips Track , 0.5 km N of Triplet Falls, 38°40'S 143°29'E, 30 Oct 1991 , GAM, (K 4011). 2♂, same data except 30 Oct–6 Nov 1991 (K 4012) . 1♀, same data (K 3995) . 1♂, same data except 6–13 Nov 1991 (K 4013) . 1♂, same data except, 6 Sep–15 Nov 1994, (K 4014) . 1♀, same data (K 3996) . 1♀, same data except 31 Jan–11 Apr 1995 (K 3997) . 1♀, same data except 14 Jun–29 Aug 1995 (K 3998) . 1♀, same data (K 4005) . 1♂, Otway Ranges, Young Creek Rd, 0.4 km NW of Triplet Falls, 38°40'S 143°29'E, 14 Jun–29 Aug 1995 , GAM, (K 4015). 1♀, same data except 31 Jan 1994 (K 4000) . 1♀, 6 Sep–15 Nov 1994 (K 3999). 3♂, Otway Ranges, Young Creek Rd, 0.2 km NE of Ciancio Creek crossing, 38°42'S 143°29'E, 6 Sep–15 Nov 1994 , GAM, (K 4020). 1♀, same data (K 4003) . 2♂, same data (K 4016) . 1♀, same data (K 4002) . 2♂, same data except 15 Nov–31 Jan 1995, (K 4018) . 1♀, same data (K 4004) . 1♂, same data (K 4017) . 1♂, same data except 14 Jun–29 Aug 1995 (K 4019) . 1♀, same data (K 4006) . 1♂, Otway Ranges, Aire Crossing Track, 0.5 km N of Aire River crossing, 38°42'S 143°29'E, 15 Nov 1994 – 31 Jan 1995 , GAM, (K 4021). 2♂, same data (K 4022) . 1♀, same data except 11 Apr–14 Jun 1995 (K 4008) . 1♂, same data except 14 Jun–29 Aug 1995 (K 4007) . 1♂, Otway Ranges, Maits Rest , 10 km W of Apollo Bay, 38°45'S 143°34'E, 4–10 Dec 1991 , GAM, (K 4023). 1♂, same data except 6–13 Nov 1991 (K 4024) . 2♀, same data except 22 Oct 1991 (K 4010). (all NMV) . 1♀, Mt Sabine, Otway Ranges , 38°38'S 143°43'E, 585 m, 6 Nov 1997 , GBM ( S 46471 ) ( QM) .

Diagnosis. Male palp ( Figs 18a–b ) with small blunt tipped TA. MA with short proximal pointed projection, directed prolaterally and with similar but broader distal projection. Embolus simple and relatively narrow, with pointed tip. Palpal patella with one dorsal spine, palpal tibia with one slender dorsal spine. Female epigynum ( Figs 18c–d ) with lateral teeth located ventral to sclerotized gonopore openings. Tarsal organ capsulate, situated distally of trichobothria.

Description. Male. Measurements: BL 9.90, CL 5.10, CW 3.75, PLE 0.38, PME 0.26 (AMS KS55348). Female. Measurements: BL 10.60, CL 5.10, CW 3.85, PLE 0.40, PME 0.26, (NMV K4009). For morphological description see species diagnosis and generic description.

Etymology. Specific epithet refers to the relatively large size of this species.

Distribution. Known only from south western Victoria ( Fig. 27c ).

Figures

Fig. 18. Storenosoma grossum. (a–b) male palp (K4022): (a) ventral; (b) RTA, retrolateral. (c–d) female genitalia:

Fig. 27. Distribution of Storenosoma spp.: (a) • S. tasmaniensis,  S. hoggi,  S. forsteri, * S. supernum. (b)  S. victoria,