Illawarra, 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 : 295

Keys to Atracinae

The information given in these keys relies upon characters key outcomes. The use of ratio data in some parts of the key taken from male spiders—the keys require male specimens. make it less user friendly than one would like, especially for Measurements, counts and ratios given in these keys refer inexperienced users.

to male spiders unless specifically noted as female data. No species key is given for the genus Illawarra Leg and palp spine counts represent totals for the segment, (monotypic). Males of the Tasmanian species, H. pulvinator unless otherwise noted. (Hickman, 1927) and the South Australian species, H. eyrei Species attributed to the diverse cerberea group show (Gray, 1984), are unknown and these species are not included intra-specific variation in dorsal femoral I, II spination in keys—their species diagnoses and apparently limited (spines present in most spp., but absent in some individuals distributions should assist with their identification.

of a few spp.). This means that some species have two (part)

Key to genera

1 Male tibia II with large, prominent, conical apophysis ( Fig. 6I ). Caput weakly raised (Figs. 4B, 5B). Central cheliceral tooth row short, basal ( Fig. 5F ). Labium short (Fig. 4A) ............................................. Atrax O.P.- Cambridge

—— Male tibia II not with a prominent conical apophysis—tibia II either unmodified or with bluntly rounded apophysis or apophyseal swelling. Caput weakly to strongly raised ..................................................................................... 2

2 Male tibia II unmodified (Fig. 16F). Caput weakly raised and frontally narrow, cheliceral paturon relatively weak (Figs. 16A,B; 17B,D). Male tarsi I, II with a midventral spine row as well as two lateral rows ( Fig. 3B ). Central cheliceral tooth row short, basal (Fig. 16C). Labium short. PLS short (Figs. 16E, 17F) .......................................... Illawarra n.gen .

—— Caput moderately to strongly raised and frontally broad, cheliceral paturon robust ( Figs. 20B,E ; 21B,C). Male tarsi I, II lacking a full midventral spine row. Male tibia II either unmodified (Fig. 68F), or with rounded apophysis/apophyseal swelling ( Figs. 30C , 34G ). Central cheliceral tooth row long or short. Labium long or short ....................................................................... Hadronyche L. Koch

Figures

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

Figure 5. Atrax robustus, female:(A) sternum, labium and maxilla; Figure 4.Atrax robustus, male:(A) sternum, labium and maxilla; (B) (B) cephalothorax and chelicerae, lateral; (C) leg III, prolateral, cephalothorax and chelicerae, lateral; (C) cheliceral groove teeth; patella, tibia, metatarsus; (D) spinnerets; (E) cephalothorax and (D) cephalothorax and chelicerae, dorsal; (E) palp, prolateral; (F) chelicerae, dorsal; (F) cheliceral groove teeth; (G) spermathecae. leg II, prolateral; (G) spinnerets. Scale lines 1 mm. Scale lines 1 mm.

Figure 6. Atrax robustus, male (A,D–K, AMS KS3173; B,C, AMS KS5170): (A) palp, prolateral; (B) bulb; (C) embolus, distal; (D,E) distal patella and tibia I—D, ventral, E prolateral; (F,G) metatarsus I—F, ventral, G, prolateral; (H,I) distal patella and tibia II—H, ventral, I, prolateral; (J,K) metatarsus II—J, ventral, K, prolateral. Scale lines: 0.3 mm, except A,B,G, 1.0 mm.

Figure 20. Hadronyche cerberea, male: (A) spinnerets; (B) Figure 21.Hadronyche cerberea, female:(A) spermathecae;(B) cephcephalothorax and chelicerae, lateral; (C) sternum, labium and alothorax and chelicerae, lateral; (C) cephalothorax and chelicerae, maxilla; (D) palp, prolateral; (E) cephalothorax and chelicerae, dorsal; (D)cheliceral groove teeth; (E) sternum,labium and maxilla; dorsal; (F) leg II, prolateral; (G) cheliceral groove teeth; (H) (F) leg III, prolateral, patella, tibia, metatarsus; (G) spinnerets; (H) sternum, anterolateral bristles. Scale lines 1 mm. coxa I, anteromedial thorn-like setae. Scale lines 1 mm.

Figure 30. Hadronyche formidabilis, male: (A) cephalothorax Figure 31. Hadronyche formidabilis, female: (A) cephalothorax and chelicerae, lateral; (B) cheliceral groove teeth; (C) leg III, and chelicerae, dorsal; (B) leg I, hair cover; (C) leg III, prolateral, prolateral; (D) spinnerets; (E) sternum, labium and maxilla; (F) patella,tibia, metatarsus; (D) spinnerets;(E) cheliceral groove teeth; palp, prolateral; (G) cephalothorax and chelicerae, dorsal. Scale (F) cephalothorax and chelicerae, lateral; (G) sternum, labium and lines 1 mm. maxilla; (H) spermathecae. Scale lines 1 mm.

Figure 34. Hadronyche alpina, male: (A) cephalothorax and Figure 35. Hadronyche alpina, female: (A) cheliceral groove chelicerae, lateral; (B) sternum, labium and maxilla; (C) cheliceral teeth; (B) cephalothorax and chelicerae, lateral; (C) sternum, groove teeth; (D) cephalothorax and chelicerae, dorsal; (E) palp, labium and maxilla; (D) cephalothorax and chelicerae, dorsal; (E) prolateral; (F) spinnerets; (G) leg II, prolateral (NB, dorsal femoral spermathecae; (F) spinnerets; (G) leg III, prolateral, patella, tibia, spines present or absent). Scale lines 1 mm. metatarsus. Scale lines 1 mm.