Pseudolampona, PLATNICK, 2000

PLATNICK, NORMAN I., 2000, A Relimitation And Revision Of The Australasian Ground Spider Family Lamponidae (Araneae: Gnaphosoidea), Bulletin of the American Museum of Natural History 2000 (245), pp. 1-328 : 302-304

Pseudolampona , new genus

TYPE SPECIES: Pseudolampona warrandyte , new species.

ETYMOLOGY: The generic name refers to the falsely lamponine appearance of these spiders.

DIAGNOSIS: The presence of a chevroned abdomen usually separates members of this genus from those of Paralampona , as do the presence in males of thick setae on the sternum and a median apophysis on the palp, and in females of lateral pockets on the epigynum.

DESCRIPTION: Small spiders, total length of males 1.9–3.0, of females 2.3–3.8. Carapace dark orange, pars thoracica coated with long setae originating from low tubercles, pars cephalica elevated, lightest (especially posteriorly), with few setae; thoracic groove short, longitudinal. Eight eyes in two rows, poste­ rior medians largest, others subequal in size; anterior medians circular, dark, other eyes light, laterals oval, posterior medians irregularly oval, flattened; from above, anterior eye row slightly recurved, posterior row procurved, from front, both rows strongly procurved; anterior medians separated by about their radius, by about their radius from anterior laterals; posterior medians almost contiguous, separated by almost their diameter from posterior laterals; anterior and posterior laterals separated by less than their diameter; median ocular quadrangle wider in front than in back, longer than wide. Chelicerae dark orange, sternum and mouthparts orange; chilum small, triangular, accompanied by second, posterior chilum (extremely narrow sclerite separating bases of chelicerae posteriorly); chelicerae with distinct lateral boss, promargin with series of short setae originating in line along base of fang plus one long, thick seta originating closest to fang, immediately bent at 90 degree angle, extending to median line; promargin with single large tooth and one or two denticles, retromargin without teeth. Labium elongate, rounded distally, truncated posteriorly, distinctly depressed medially. Endites obliquely depressed, with sharply demarcated, deep groove along margin near labium. Sternum slightly elevated, with steep, rebordered lateral margins, not expanded anteriorly, with extensions to and between coxae; surface smooth, males with patch of short, thick, dark setae posteriorly. Two epimeric sclerites on each side, one opposite palpal endites, one surrounding all coxae, not reaching sternal triangles, not fused to carapace. Pedicel composed of two small, flat dorsal sclerites and triangular sclerite covering venter and sides.

Abdomen without dorsal or anterior scutum in either sex; epigastric scutum accompanied posterolaterally by tiny, inconspicuous pair of oval, deeply invaginated sclerites bearing clearly elevated anterior rim; sclerites separated by membranous lobe; anterior edge of oval sclerites often fitting under epigastric scutum; colulus represented by pair of strong setae; posterior spiracle not on distinct sclerite. Anterior lateral spinnerets tubular, separated by less than their diameter, cuticle representing distal, second spinneret segment restricted to semicircle surrounding major ampullate gland spigots (piriform gland spigots surrounded only by soft cuticle); posterior median spinnerets small, tubular, without anteriorly expanded tips; posterior lateral spinnerets two­segmented.

Legs spineless; in males, all coxae and posterior trochanters dorsally tuberculate; anterior coxae with protuberant posterolateral corners; trochanters unnotched; anterior metatarsi and tarsi without scopulae; posterior metatarsi with distal preening brushes; posterior tarsi not scopulae; tarsi with two elongate claws, claw tufts reduced to just few setae; trichobothria present on distal segments. Female palpal tibia and tarsus without spines; female palpal tarsus with small claw.

Male palp with retrolateral tibial apophysis; cymbium unmodified; tegulum not expanded; embolus prolaterally situated, elongated, accompanied by membranous conductor; median apophysis present, enlarged. Epigynum simple, usually with small anterior hood, lateral pockets, and pair of globose spermathecae.

KEY TO SPECIES OF PSEUDOLAMPONA

1. Males............................. 1

– Females (those of P. wyandotte unknown).. ............................... 13

2. Median apophysis situated at retrolateral edge of bulb (fig. 754), retrolateral tibial apoph­ ysis very long (fig. 755)..... woodman

– Median apophysis situated more medially, re­ trolateral tibial apophysis shorter..... 3

3. Median apophysis expanded at or below tip (figs. 742, 746, 750, 784)........... 4

– Median apophysis gradually narrowed toward tip (as in fig. 758)................. 7

4. Embolus relatively wide (figs. 742, 784).. 5

– Embolus relatively narrow (figs. 746, 750).. ................................ 6

5. Median apophysis widest at half its length (fig. 742)................ warrandyte

– Median apophysis widest distally (fig. 784)......................... glenmore

6. Expansion on median apophysis directed obliquely and distally (fig. 750).. emmett

– Expansion of median apophysis directed re­ trolaterally (fig. 746)........... boree

7. Retrolateral tibial apophysis relatively long (figs. 759, 767)................... 8

– Retrolateral tibial apophysis shorter..... 9

8. Median apophysis relatively long (fig. 758)........................ jarrahdale – Median apophysis relatively short (fig. 766)........................... taroom

9. Median apophysis relatively short (figs. 770, 778)........................... 10

– Median apophysis relatively long (figs. 762, 774, 782)....................... 11

10. Embolus extending far retrolaterally (fig. 770).......................... spurgeon

– Embolus not extending retrolaterally (fig. 778)..................... binnowee

11. Tegulum relatively wide (fig. 774)................................ kroombit

– Tegulum relatively narrow (figs. 762, 782) ............................... 12

12. Tibia with proximal heel (fig. 783).............................. wyandotte

– Tibia without proximal heel (fig. 763)................................. marun

13. Epigynum with weak but distinct lateral mar­ gins (as in figs. 744, 748).......... 15

– Epigynum without distinct lateral margins (figs. 768, 780).................. 14

14. Spermathecae extending anterior of epigynal pockets (fig. 768)............. taroom

– Spermathecae not extending anterior of epi­ gynal pockets (fig. 780)...... binnowee

15. Epigynal pockets situated anterior of sper­ mathecae (figs. 756, 760, 786)...... 16

– Epigynal pockets more posteriorly situated (as in figs. 744, 748).............. 18

16. Epigynal pockets relatively widely separated (figs. 756, 786).................. 17

– Epigynal pockets closer to each other (fig. 760).................... jarrahdale

17. Lateral epigynal margins relatively short (fig. 756)..................... woodman

– Lateral epigynal margins relatively long (fig. 786)..................... glenmore

18. Spermathecae very short (figs. 772, 776)... ............................... 19

– Spermathecae longer (figs. 744, 748, 752, 764)........................... 20

19. Anterior epigynal hood far from spermathe­ cae (fig. 772)............... spurgeon

– Anterior epigynal hood closer to spermathe­ cae (fig. 776)............... kroombit

20. Epigynal pockets situated at anterior edge of spermathecae (figs. 744, 752)....... 21

– Epigynal pockets situated more posteriorly (figs. 748, 764).................. 22

21. Spermathecae relatively large (fig. 744)............................ warrandyte

– Spermathecae relatively small (fig. 752).............................. emmett

22. Epigynal pockets situated at about half of spermathecal length (fig. 764).... marun

– Epigynal pockets farther anterior (fig. 748)............................ boree