Thyenula alotama, 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: 47-48

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Thyenula alotama

sp. nov.

Thyenula alotama   sp. nov.

Figs 170–175 View FIGURES 170–175

Holotype: female, SOUTH AFRICA, Eastern Cape Province, Amatola Mountains, Hogsback, Amatola Forestry Company offices, 32°35'S: 26°56'E, under vegetation, 22 April 2012, leg. C. Haddad ( NCA 2013 /574). GoogleMaps  

Paratypes: together with holotype, 2 males, 1 female; same locality, 1145 m a.s.l., afromontane forest, 1 male, 1 female, 3 April 2012, leg. UFS students ( NCA 2013 /577)   ; same locality, pine plantation, 1 female, 21 March 2013, leg. C. Haddad ( AMGS)   ; same locality, waterfall, sweep-netting fynbos, 1 male, 25 April 2012, leg. C. Haddad ( NCA 2013 /569)   ; same locality, Never Daunted Guest House , hand collecting at night, 1female, 20–23 March 2013, leg. C. Haddad, J.A. Neethling & R.du Preez ( AMGS)   ; SOUTH AFRICA, KwaZulu-Natal Province, Pietermaritzburg, 29°36'S: 30°22'E, Town Bush , ground layer, clearing in humid forest, 5 males, 6 females, 18 April 1976, leg. F. Wanless & A. Russell-Smith ( NHM) GoogleMaps   ; same locality, ground layer on wattle plantation, 1 male, 2 females, 15 April 1976 ( NHM) GoogleMaps   .

Diagnosis. The copulatory organs of this species are very similar to those of T. leighi ( Peckham & Peckham, 1903)   but the latter species is easily recognized by the characteristic coloration (Wesołowska 2012: fig. 53). T. alotama   is also related to T. aurantiaca (Simon, 1902)   and T. fidelis Wesołowska & Haddad, 2009   , but can be recognized by the shape of the retromarginal tooth of the chelicerae and the striped pattern of the abdomen. The female has longer seminal ducts than T. aurantiaca   and larger spermathecae than T. fidelis   (compare Fig. 175 View FIGURES 170–175 herein with Fig. 183 View FIGURES 176–183 herein and in Wesołowska & Haddad 2009: fig. 199). The male palp is very similar to those in both of these species and is difficult to distinguish, but the tibial apophysis has a serrated rim.

Etymology. The specific name is anagram of Amatola, the mountain range where the species occurs.

Description. Measurements (male/female). Cephalothorax: length 2.3–3.2/2.5–2.9, width 1.8–2.3/1.9–2.2, height 1.0–1.1/1.0–1.2. Abdomen: length 2.5–3.4/3.1–3.6, width 1.7–1.9/2.2–2.5. Eye field: length1.0–1.3/1.0–1.3, anterior and posterior width 1.5–1.9/1.4–1.8.

Male. Carapace oval, eye field shiny black, thoracic part dark brown with three lighter streaks. Brown hairs on carapace, longer bristles at eyes. Clypeus low, dark. Chelicerae robust, with large retromarginal tooth ( Fig. 170 View FIGURES 170–175 ). Mouth parts brown with whitish tips. Sternum brown, black in centre. Abdomen generally dark, with mosaic of blackish small patches on light background dorsally, clothed in long brown hairs and bristles. Venter black with four lines formed by light dots. Spinnerets dark. First pair of legs black, patella and tibia with long dense black hairs. Other legs brown, only coxae, trochanters and femora black. Pedipalps brownish. Palpal organ as in Figs 171, 172 View FIGURES 170–175 , tibial apophysis serrated along inner margin.

Female. General appearance as in Fig. 173 View FIGURES 170–175 . Coloration similar to male, or slightly lighter. Three light contrasting streaks on carapace, clearly visible. Some white hairs on clypeus, traces of lighter chevrons on dorsum of abdomen posteriorly. Sternum light, whitish yellow. Legs orange brownish, with dark patches on distal ends of femora and tibiae. Epigyne as in Fig. 174 View FIGURES 170–175 , seminal ducts looping anteriorly, spermathecae large( Fig. 175 View FIGURES 170–175 ).

Distribution. Known from Pietermaritzburg and the Amatola Mountains in the Eastern Cape Province of South Africa.


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