Hadronyche annachristiae, Gray, 2010

Gray, Michael R., 2010, A Revision of the Australian Funnel-web Spiders (Hexathelidae: Atracinae), Records of the Australian Museum 62 (3), pp. 285-392 : 382-385

Hadronyche annachristiae n.sp.

Figures 99–101; Table 30

Etymology. The species is named for Anna-Christie Gray,

my younger daughter.

Types. Holotype male: AMS KS5438 , Kerewong State Forest , nr Lorne,

31°35'S 152°33'E, D. Milledge, 1980. Paratypes ( AMS). New South

Wales. Males : AMS KS1551 , Kerewong State Forest, nr. Taree, 31°35'S

152°33'E, 11 May–19 June 1978, D. Milledge; AMS KS5409 , Kerewong

State Forest , 31°35'S 152°33'E, 30 May–1 September 1979, D. Milledge ;

AMS KS10770, Kerewong State Forest, Wedding Cake Road, nr. Taree,

31°35'S 152°33'E, 28 March 1982, H. Parnaby; AMS KS5637 , Lorne State

Forest, nr.Taree, 31°33'S 152°37'E, 1 Sept–9 December 1979, D.Milledge;

AMS KS5420 , Lorne State Forest , nr. Taree, 31°33'S 152°37'E, 30 May –1

September 1979, D. Milledge.

Diagnosis. CL 6.19–6.66 (male). Small atracine spiders with (“boat shaped”). Differs from H. raveni and H. Figure 99. Hadronyche annachristiae Male. (A) cephalothorax lamingtonensis and by embolus long and curved with base and chelicerae, lateral; (B) palp, prolateral; (C) cephalothorax and strongly offset from tegulum ( Fig. 100B ) and presence chelicerae, dorsal; (D) cheliceral groove teeth; (E) sternum, labium of swollen tarsi III, IV ( Fig. 3G ); from H. monteithi by and maxilla; (F) spinnerets; (G) leg II, prolateral. Scale lines 1 mm.

1.90. Median ocular quadrangle length 0.68, anterior width wider than long, middle haematodocha exposed. Embolus 0.85, posterior width 1.36. Diameters: AME 0.26, ALE 0.50, moderately long, shaft hardly tapering distally, strongly PLE 0.28, PME 0.25. — Chelicerae. Anterodorsal bristles curved. Distal embolus moderately twisted, flange partially on paturon rather short. Cheliceral groove narrow, margins reflexed. Embolus base strongly offset from tegulum. Bulb parallel. Groove length 2.22, middle width 0.34. Cheliceral length 2.99, width 1.18. Embolus length 2.18, midwidth teeth: 4 central placed at base of groove (occasionally a few 0.16. Length of femur 2.84, patella 1.24, tibia 3.39. Width teeth apically); 10 prolateral; 10 retrolateral. — Labium. of tibia 1.54. Spination: none; sinuous bristles on distal Wider than long with long anterior hairs. Length 1.06, width femur. — Legs. 4123. 1.42. Labiosternal sigilla broad, complete. Cuspules c. 83,

Leg Femur Patella Tibia Metatarsus Tarsus Total

number low. — Sternum. Ovoid. Length 4.08, width 3.21.

1 5.79 2.67 4.06 4.22 2.34 19.08

Posterior sigilla large, elongate. — Palp. Tegular area much

2 5.29 2.67 3.87 3.98 2.50 18.31

3 5.02 2.35 3.25 3.69 3.02 17.33

leg I weak; legs II–IV moderately to strongly developed.

Distal metatarsal scopulae absent legs I–III, very weak leg

IV. Tarsal spines numerous, a few small mid-ventral spines sometimes present. Tarsal claw teeth legs I, II: superior 8, 8;

inferior 1, 1. Trichobothria legs I, II: tarsus 7, 7; metatarsus

7, 8; tibia p5 r5, p5 r5. — Leg spination. Leg I: femur 0,

patella 0, tibia 12, metatarsus 32, tarsus 42. Leg II: femur 0,

patella 0, tibia 16, metatarsus 35, tarsus 42. Leg III: femur

0, patella 31 (p30 r1), tibia 15 (p5 r3), metatarsus 25, tarsus

47. Leg IV: femur 1, patella p8, tibia 6 (p1), metatarsus 27,

tarsus 88. — Abdomen. Posterior lateral spinnerets with short apical segment. Lengths; total 2.44; basal segment

1.14; middle 0.58; apical 0.72. Apical segment width 0.38.

Distribution. Known only from the Kerewong and Lorne

State Forests near Comboyne, New South Wales (Fig. 101).

Figure 101. Collection records for Hadronyche annachristiae

(squares) and H. monteithi (circles).

Hadronyche monteithi n.sp. by a pair of sigilla. — Carapace. Slightly longer than wide,

narrowing rapidly posteriorly, moderately raised. Height

Figures 101–102; Table 31 2.54. Frontal width 3.57. Fovea strongly procurved. Middorsal cephalic setae do not reach fovea. Anterior strial setae

Etymology. The species is named for Dr Geoff Monteith, few or absent. Anterolateral angle of carapace with a few a collector of the type specimens and many other spider hairs only. — Eyes. Sessile. Eye group width 1.39. Median species. ocular quadrangle length 0.49, anterior width 0.68, posterior width 0.93. Diameters: AME 0.23, ALE 0.32, PLE 0.27,

Types. Holotype male: QMB S181 ( QMB). The Head, via Killarney, PME 0.18. — Chelicerae. Sparse-moderate anterodorsal Queensland, 28°20'S 152°18'E, G.B. and S. R. Monteith , 31 Mar –2 August cover of short bristles on paturon. Cheliceral groove very 1975.

narrow, margins subparallel. Groove length 1.68, middle width 0.25. Cheliceral teeth: 2 central, in proximal end of

Other material. Queensland. Male: QMB S148 , Bald Mountain, via Emuvale , 28°14'S 152°25'E, G.B.and S. R. Monteith, 28 December 1974 –30 groove; 6 prolateral; 9 retrolateral, absent from distal third March 1975. of retromargin. — Labium. Wider than long. Length 0.78 ,

width 1.05. Cuspules c. 68, number low. Labiosternal sigilla

Diagnosis. CL 5.00–5.19 (male). Small atracine spiders. entire. — Sternum. Broad, ovoid. Length 2.99, width 2.58. Differs from H. raveni and H. lamingtonensis by having Posterior sigilla large, ovoid. — Palp. Tegular area much slender, curved embolus (Fig. 102D and tarsi III, IV swollen; wider than long, middle haematodocha exposed. Embolus from H. annachristiae by relatively few tarsus I spines (5–7); shaft strongly curved, moderately long and slender but hardly and from H. anzses by strongly curved embolus. tapered distally. Distal embolus twisted and set at obtuse angle to shaft. Embolus base weakly offset from tegulum.

Male (holotype) — Size. Carapace length 5.00, width 4.70. Bulb length 1.96, width 0.79. Embolus length 1.44, midwidth Abdomen length 5.00 width 3.94. — Colour. Basic colour 0.10. Length of femur 2.20, patella 0.90, tibia 2.18. Width of pattern. Small paler area on anterodorsal abdomen flanked tibia 1.07. Spination: femur 4 (bristle-like). — Legs. 4123.

Leg Femur Patella Tibia Metatarsus Tarsus Total 1 3.92 1.90 2.87 2.82 1.86 13.37 2 3.48 1.62 2.73 2.64 1.86 12.33 3 3.32 1.60 1.92 2.52 2.12 11.48 4 3.92 1.76 2.76 3.30 2.62 14.36

Tibia I width 0.74. Femora I and II without spines. Legs I and II unmodified, tibial spines few and metatarsal ventral spines scattered. Coxal hairs unmodified. Tarsi III, IV swollen, “boat-shaped”. Scopulae absent on distal metatarsi, weak to moderately developed on tarsi I–IV. Tarsal claw teeth legs I, II: superior 7, 6; inferior 0, 0. Trichobothria legs I, II: tarsus 5, 6: metatarsus 8, 6; tibia p4 r4, p4 r4. — Leg spination. Leg I: femur 0, patella 0, tibia 6, metatarsus 16, tarsus 7. Leg II: femur 0, patella 0, tibia 2–3 (ventral spines ± weak). Leg III. femur 1, patella 27 (p26 r1), tibia 11 (p6 r2) metatarsus 18 (pd6 rd4), tarsus 8. Leg IV: femur 1, patella p3, tibia 6 (p3 d1), metatarsus 16, tarsus 13. — Abdomen. Posterior lateral spinnerets with short apical segment. Lengths: total 1.76; basal segment 0.88, middle 0.44, apical 0.44. Apical segment width 0.32.

Distribution. Border Ranges in Killarney region, southeastern Queensland (Fig. 101).

Figures

Figure 3. (A) Hadronyche infensa, ventral tarsus II, scopula and lateral spine rows; (B) Illawarra

Figure 100.Hadronyche annachristiae, male (A,D–G,AMS KS5049; B,C, AMS KS5420): (A) palp, prolateral; (B) bulb; (C) embolus, distal; (D) distal patella and tibia I, ventral; (E) metatarsus I, ventral; (F) distal patella and tibia II, ventral.(G) metatarsus II, ventral. Scale lines:A 0.2 mm, B 1.0 mm, D–F 0.2 mm and G 0.3 mm.