A revision of the crab spider genus Heriaeus Simon, 1875 (Araneae: Thomisidae) in the Afrotropical Region Author Niekerk, P. van Author Dippenaar-Schoeman, A. S. text African Invertebrates 2013 2013-11-14 54 2 447 447 http://www.bioone.org/doi/abs/10.5733/afin.054.0213 journal article 10.5733/afin.054.0213 2305-2562 7918661 Heriaeus sossusvlei sp. n. Figs 43, 44 , 59 Etymology: The species name is a noun in apposition derived from the type locality. Diagnosis: The species is recognized by the combination of their short, blunt abdominal setae, as well as the unsclerotized epigyne with a hood resembling a half dome ( Fig. 43 ), integument below hood wrinkled and internal organs visible as two large dark spots posteriorly ( Fig. 44 ). Male unknown. Description: Female ( holotype ). Size : TL 6.06, CL 2.03, CW 1.99. Colour : Carapace with two longitudinal light brown stripes extending to PEs; medially with two longitudinal white stripes extending into eye region and a third longitudinal light brown stripe medially, extending to PMEs; sides mottled with white; setae transparent; sternum mottled with white along edge; endites and labium with some white marks; clypeus white; eye region white. Abdomen white, with transparent setae with yellow-brown spots at setal bases; sometimes with 6 brown setae in posterior half; venter white. Legs yellow-brown. Palp with white markings on femur and patella. Carapace : Eye measurements : AME–AME 0.20, ALE–AME 0.15, PME–PME 0.21, PLE–PME 0.33, AME–PME 0.22, MOQL AME–PME 0.28, MOQAW AME–AME 0.28, MOQPW PME–PME 0.30. Leg measurements : leg I Fe 2.44, Pat 1.07, Tib 1.83, Mt 1.72, Ta 0.91, total 7.97; leg II Fe 2.29, Pat 0.95, Tib 1.52, Mt 1.55, Ta 0.75, total 7.06; leg III Fe 0.93, Pat 0.68, Tib 1.01, Mt 0.53, Ta 0.45, total 3.60; leg IV Fe 1.45, Pat 0.60, Tib 1.12, Mt 0.97, Ta 0.50, total 4.64. Abdomen : Round, truncated anteriorly, narrower across posterior ⅓; with numerous, short, blunt abdominal setae; venter with fine hairs. Epigyne : Hood shaped like a half dome; integument below hood wrinkled; copulatory ducts two C-shaped tubes with folds and slightly enlarged anterior ends ( Figs 43, 44 ). Holotype : ♀ NAMIBIA : 5 km of Sossusvlei ( 24.70°S 15.42°E ), 22.iv.1979 , E. Holm , hand sampled from plants ( NCA 88 /330). Paratype : 1♀ SOUTH AFRICA : Western Cape : Beaufort West , Bokvlei Farm ( 32.73°S 23.59°E ), 14.xii.2007 , D.H. Jacobs , pitfall trap ( NCA 2008 /4693) . Distribution: Namibia and South Africa ( Western Cape ) ( Fig. 59 ). Natural history: Collected on plants and a from pitfall trap in April and December.