Sparianthina selenopoides Banks, 1929

Jaeger, Peter, Rheims, Cristina & Labarque, Facundo, 2009, On the huntsman spider genera Sparianthina Banks, 1929 and Anaptomecus Simon, 1903 from South and Central America (Araneae, Sparassidae), ZooKeys 16 (16), pp. 115-147 : 119-122

Sparianthina selenopoides Banks, 1929

Figs 1-21 , 74-75

Sparianthina selenopoides Banks, 1929: 80 , pl. 2, fig. 28 (description ♁ and ♀; Syntypes: 1 ♁ (PJ 797), 1 ♀ (PJ 798), Panama, Barro Colorado [9°9’53.36”N, 79°50’21.21”W], Canal Zone, 17 July, Banks, MCZ 23023, examined). Roewer 1954: 684. Bonnet 1958: 4110. Platnick 2009.

Note. For reasons of stability and considering that it concerns a genus type, the ♁ syntype is herewith designated the lectotype, the ♀ syntype the paralectotype.

Further material examined. COSTA RICA. Limón: Rio Parismina [10°17’13.46”N, 83°21’21.11”W], 0 m altitude, on shrubs, 2 ♁♁ ( PJ 885-886 ), 2 ♀♀ ( PJ 887-888 ), 1 subadult ♁, 1 juv. ( NHMW). Heredia: Puerto Viejo, La Selva, 1 ♁, 1 ♀, 1980-1983, W. Eberhard leg. ( MCZ 69110, 69111 ) . PANAMA. Bocas del Toro: Punta de Peña , 1 ♀, 1907, R.E.B. McKenny leg. ( USNM) ; Canal Zone: Barro Colorado Island , 9 ♁♁, 16 ♀♀, 24 juv., 1934-1954, A.M. Chickering leg. ( MCZ 69055, 69056 , 69057 , 69058 , 69059 , 69060 , 69061 , 69062 , 69063 , 69064 , 69065 , 69066 , 69067 , 69069 , 69068 , 69070 , 69071 , 69072 , 69112 ) ; 2 ♁♁, 17.VII.1924, N. Banks leg. ( MCZ 23023) ; 1 ♀, 20.III.1946, T.C. Schneirla ( AMNH) ; Fort Davis , 1 ♁, 1 ♀, 2 juv., 14.VIII.1936, A.M. Chickering leg. ( MCZ 69073) ; Forest Preserve , 2 ♁♁, 1939-1950, A.M. Chickering leg. ( MCZ 69074, 69076 ) ; Madden Dam Forest , 1 ♁, 18.VIII.1936, A.M. Chickering leg. ( MCZ 69075) ; French Field , 2 ♁♁, 1 ♀, 2 juv., 17.VIII.1939, A.M. Chickering leg. ( MCZ 69079) ; Colon: Summit Gardens , 1 ♁, 1 ♀, 12.V.1964, A.M. Chickering leg. ( MCZ 69077) ; Fort Sherman , 1 ♀, 15.VIII.1939, A.M. Chickering leg. ( MCZ 69078) .

Diagnosis. Opisthosoma triangular to pentagonal ( Figs 74-75 ). Males: Cymbium tip narrow and elongated ( Figs 2, 6 ); embolus with a distinct subapical widening ( Fig. 9 ); additional, pointed apophysis between embolus and conductor ( Fig. 9 : EA); DTA

slender in lateral views ( Fig. 4 ), pointing prolatero-distally in ventral view ( Figs 2, 6 ); RTA with foliate hook-shaped distal part directed dorsally in retrolateral view ( Figs 3, 7 ). Females: Epigynal furrows present on anterior half of epigyne, roundly bent, pointing to median body axis ( Figs 14, 16, 19 ); fertilisation ducts running posteriorad to epigastric furrow, then turning at 180°, forming two hook-like structures; glandular appendages laterally at anterior part of internal duct system, inconspicuous ( Figs 15, 17-18, 20-21 ).

Description. Male (MCZ 69063). Total length 6.0. Prosoma: 3.0 long, 3.0 wide. Opisthosoma: 2.9 long, 2.5 wide. Eye diameters and interdistances: AME 0.18, ALE 0.22, PME 0.14, PLE 0.2, AME-AME 0.14, AME-ALE 0.04, PME-PME 0.24, PME- PLE 0.24, AME-PME 0.20, ALE-PLE 0.22. Legs: I: femur 6.4, patella 1.9, tibia 7.3, metatarsus 6.2, tarsus 2.2, total 24.0; II: 6.9, 2.0, 8.1, 7.1, 2.4, 26.5; III: 5.1, 1.5, 5.0, 4.7, 1.5, 17.8; IV: 5.4, 1.4, 5.5, 5.8, 2.0, 20.1. Spination: femur I-III: p1-1-1; d0-1-1; r1-1-1; femur IV: p1-1-1; d0-1-1; r0-1-1; tibia I-II: d1-1-1; v2-2-2-0; tibia III-IV: p1- 0-1; d1-0-1; r1-0-1; v2-2-0; metatarsus I-III: p1-1-0; r1-1-0; v2-0-0; metatarsus IV: p1-1-2; r1-1-2; v2-0-0. Chelicerae with 3-4 anterior and 7 posterior teeth, and with ca. 17 denticles in one row ( Fig. 10 ).

Palp as in diagnosis. Embolus arising from tegulum at a 9- to 10-o’clock-position, conductor at a 10- to 11-o’clock-position. Tegulum extending strongly beyond cymbium. Sperm duct running marginally ( Figs 2, 6 ).

Colouration. Prosoma orange with small lateral light brown markings. Chelicerae orange with light brown markings. Gnathocoxae pale yellow, distally cream coloured. Labium orange, slightly darker at base. Legs and pedipalps pale orange with small light brown markings and dark brown spots at the base of the spines. Opisthosoma cream coloured with scattered small white markings ( Fig. 74 ).

Female (MCZ 69063). Total length 7.4. Prosoma: 3.3 long, 3.2 wide. Opisthosoma: 4.0 long, 4.0 wide. Eye diameters and interdistances: AME 0.14, ALE 0.20, PME 0.16, PLE 0.22, AME-AME 0.12, AME-ALE 0.08, PME-PME 0.26, PME-PLE 0.28, AME-PME 0.20, ALE-PLE 0.26. Legs: I: femur 5.2, patella 1.8, tibia 5.4, metatarsus 4.3, tarsus 1.5, total 18.2; II: 5.7, 1.9, 6.1, 4.6, 1.6, 19.9; III: 4.3, 1.5, 3.9, 3.6, 1.2, 14.5; IV: 4.5, 1.3, 4.0, 4.3, 1.5, 15.6. Spination: femur I-II: p1-1-1; d0-1-1; r0-1-1; femur III: p1-1-1; r0-1-1; r0-0-1 femur IV: p1-1-1; d0-1-1; r0-0-1; tibia I–II: d0-0-1; v2-2-2-0; tibia III-IV: p0-0-1; d0-0-1; r0-0-1; v2-2-0; metatarsus I-III: p1-1-0; r1-1-0; v2-0-0; metatarsus IV: p1-1-2; r1-1-2; v2-0-0. Palpal claw with 8 teeth ( Fig. 13 ), leg claws with 14 teeth, proximal teeth blunt and inconspicuous ( Fig. 12 ). Trilobate membrane with broadly pointed median hook and long lateral projections ( Fig. 11 ).

Copulatory organ as in diagnosis. Epigynal field round to rectangular, longer than wide. Posterior margin of epigyne with distinct lobe. Copulatory openings situated at anterolateral end of epigynal furrows ( Figs 14, 16, 19 ). Internal duct system complex with strongly wound ducts ( Figs 15, 17-18, 20-21 ).

Colouration as in male, slightly darker ( Fig. 75 ).

Variation. Males (n=10): total length 5.2-6.9; prosoma 2.7-3.2; femur I 4.9-6.4. Females (n=10): total length 6.4-7.5; prosoma 3.1-3.4; femur I 4.0-5.8.

Distribution. Costa Rica and Panama.

Figures

Figures 1-13. Sparianthina selenopoides Banks, 1929 from Panama (1-4 ♁ MCZ 69063 5-10 ♁ lectotype 11-13 ♀ paralectotype). 1-9 Left ♁ palp (1, 5 prolateral 2, 6 ventral 3, 7 retrolateral 4 cymbium with bulbus expanded 8 RTA, dorsal 9 embolus, embolic apophysis, conductor, ventral) 10 Left chelicerae, ventral 11 Trilobate membrane, distal metatarsus IV, dorsal 12 Leg claw, lateral 13 Palpal claw, retrolateral. BH – basal haematodocha; C – conductor; DTA – distal tegular apophysis; E – embolus; EA – embolic apophysis; MH – median haematodocha; ST – subtegulum; T – tegulum.

Figures 14-21. Sparianthina selenopoides Banks, 1929 from Panama (14-15 MCZ 69063 16-18 ♀ paralectotype) and Costa Rica (19-21 PJ 887, NHMW). 14, 16, 19 Epigyne, ventral 15, 17, 20 Internal duct system, dorsal 18, 21 Schematic course of internal duct system, dorsal. A – atrium; FD – fertilisation duct; GP – glandular pores; MS – median septum; PL – posterior lobe of epigyne.

Figures 74-79. Sparianthina spp., habitus, dorsal. 74-75 S. selenopoides (74 ♁ 75 ♀) 76 S. milleri comb. n., ♁ 77 S. adisi sp. n., ♁ 78 S. deltshevi sp. n., ♁ 79 S. saaristoi sp. n., ♁.