Rumburak hilaris, Wesołowska & Azarkina & Russell-Smith, 2014

Wesołowska, Wanda, Azarkina, Galina N. & Russell-Smith, Anthony, 2014, Euophryine jumping spiders of the Afrotropical Region-new taxa and a checklist (Araneae: Salticidae: Euophryinae), Zootaxa 3789 (1), pp. 1-72 : 34-35

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scientific name

Rumburak hilaris

sp. nov.

Rumburak hilaris sp. nov.

Figs 113–119 View FIGURES 113–116 View FIGURES 117–119

Holotype: male, SOUTH AFRICA, Eastern Cape Province, Amatola Mountains, Hogsback , 32°35'S: 26°56'E, afromontane forest, 1145 m a.s.l., sifting leaf litter, 3 April 2012, UFS entomology students ( NMSA 26441 View Materials ). GoogleMaps

Paratypes: together with holotype, 1 male, 5 females; same locality, 2 females, 23 March 2013, leg. C. Haddad, J.A. Neethling & R. du Preez ( AMGS); same locality, exotic forest, sifting leaf litter, 5 males, 8 females, 22 March 2013 ( AMGS); same locality, Never Daunted Guest House, hand collecting at night, 3 males, 1 female, 20–23 March 2013 ( AMGS); SOUTH AFRICA, Fort Fordyce Forest Reserve, 32°42'S: 26°31'E, roadside, afromontane forest, leaf litter, GoogleMaps 2 males, 2 October 2011, leg. J.A. Neethling & C. Luwes ( NCA 2013 /570); same locality, 2 males, 1 female, 29 November 2012, leg. J.A. Neethling ( NCA 2013 /650); Somerset-East , Besterhoek Nature Reserve , 32°42'S: 25°44'E, afromontane forest, leaf litter, GoogleMaps 1 male, 4 December 2011, leg. J.A. Neethling & C. Luwes ( NCA 2013 /572); same locality, 1 male, 2 December 2012, leg. J.A. Neethling ( NCA 2013 /652); Katberg Pass , 32°29'S: 26°40'E, afromontane forest, leaf litter, GoogleMaps 1 male, 1 female, 4 October 2011, leg. J.A. Neethling & C. Luwes ( NCA 2013 /571); Stormsrivier , Tsitsikamma National Park , 34°01'S, 23°53'E, coastal forest, leaf litter, 1 female, 5 December 2012, leg. J.A. Neethling ( NCA 2013 /656); GoogleMaps Western Cape Province, Rheenendal , Goudveld Indigenous Forest Reserve , Jubilee Creek , 33°53'S, 22°59'E, afromontane forest, leaf litter, 2 females, 8 December 2012, leg. J.A. Neethling ( NCA 2013 /670) GoogleMaps .

Diagnosis. The male palp of this species slightly resembles that in R. mirabilis described below (both species have bulb without a proximal lobe) but may be distinguished by the clearly shorter tibia and the longer embolus with a larger basal coil. The female is difficult to distinguish from congeners, but has extremely short seminal ducts.

Etymology. Name arbitrary, Latin for cheerful.

Description. Measurements (male/female). Cephalothorax: length 2.8–3.1/2.3–2.6, width 2.0–2.2/1.6–1.8, height 1.0–1.2/1.0. Abdomen: length 2.5–2.6/2.6–3.0, width 1.9–2.0/1.6–1.8. Eye field: length 1.2/1.1–1.2, anterior and posterior width 1.7–1.8/1.5–1.7.

Male. General appearance as in Fig. 113 View FIGURES 113–116 . Carapace brown, eye field shining black, some brown bristles and white hairs near anterior eyes. White hairs form poorly contrasting transverse streak behind last row of eyes. Clypeus low, dark. Chelicerae dark brown, robust, with two promarginal teeth and single tooth on retromargin ( Fig. 114 View FIGURES 113–116 ). Mouth parts dark brown with lighter tips, sternum brown. Abdomen oval, almost black with whitish band along anterior edge, extending to the sides, and median yellowish streak ornamented by dark chevrons posteriorly. Hairs covering abdomen delicate, short. Sides of abdomen covered by mosaic of small dark patches, venter with large black patch, pair of longitudinal whitish streaks and two lines formed by light dots on the patch. Spinnerets greyish. Legs yellow, femora I and II black, III and IV with black distal halves. Darker rings at bases and tips of all metatarsi. Dark coloured specimens with all legs uniformly blackish. Pedipalps light, almost white, only tibial apophysis, cymbium and bulb yellowish brown. Structure of copulatory organ as in Figs 115, 116 View FIGURES 113–116 , embolus long.

Female. General appearance as in Fig. 117 View FIGURES 117–119 . Carapace dark brown, with thin lighter median streak on thoracic part in some specimens, eye field black, shining, only dark hairs on carapace. Abdominal pattern is a mosaic of small black and light patches (also on venter), posteriorly with traces of thin light chevrons. Spinnerets dark yellow. Legs yellowish brown, femora of first pair darker. Pedipalps light. Epigyne weakly sclerotized with two rounded depressions ( Fig. 118 View FIGURES 117–119 ). Seminal ducts very short, spermathecae bean-shaped, large ( Fig. 119 View FIGURES 117–119 ).

Distribution. Known from the Eastern and Western Cape Provinces of South Africa.

Remarks. In some specimens the terminal apophysis clings to the embolus along most of its length, so the structure of the embolic division demands careful observation.