Aenigma incognita, Wesolowska & Haddad, 2009

Wesolowska, Wanda & Haddad, Charles R., 2009, Jumping spiders (Araneae: Salticidae) of the Ndumo Game Reserve, Maputaland, South Africa, African Invertebrates 50 (1), pp. 13-103 : 20

Aenigma incognita sp. n.

Figs 10, 11, 210

Etymology: From Latin incognita (unknown).

Diagnosis: The female of this species is characterised by the structure of the epigyne, long and narrow seminal ducts, and receptacles with an elongated, narrow characteristic tail forming the final part. Male unknown.

Description:

Female.

Measurements: Carapace length 3.1, width 2.3, height 1.2. Abdomen length 3.3, width 2.4. Eye field length 1.6, anterior width 2.1, posterior width 2.2.

General appearance as in Fig. 210. Carapace ovoid, medium high, brown with slightly darker eye field and black rings surrounding eyes; traces of dark streaks radiating from fovea; some colourless bristles near eyes, sparse whitish hairs on slopes of carapace; small white scales frame anterior eyes ventrally, three parallel white lines below anterior lateral eyes, one of them across clypeus. Chelicerae long, unidentate, light brown, with dark patch on external sides; endites and labium brown with paler tips. Sternum yellow. Abdomen ovoid, on yellowish grey background mosaic composed of dense dark grey dots, with traces of paler chevrons medially; fine hairs covering abdomen, longer at anterior edge; sides of abdomen with small dark marks; venter yellowish with wide dark streak; spinnerets pale. Legs yellow with brownish spots; spines numerous; spination of leg I: femur 1-1-5 dorsally; patella pro- and retrolaterally 1; tibia 1-2 prolaterally, 1-1 retrolaterally, 2-2-0-2 ventrally; metatarsus 1-1 prolaterally, 1 retrolaterally, 2-2 ventrally. Palps yellow. Epigyne with two large rounded depressions near epigastric furrow ( Fig. 10); internal structure as in Fig. 11, seminal ducts long, weakly sclerotised.

Holotype: ^Red Cliffs, Usutu R., 26 ° 51.164'S: 32 ° 12.365'E, semi-aquatic vegetation, 4.xii.2000 ( NCA 2009 /664).

Habitat and biology: The holotype was collected from semi-aquatic vegetation on the banks of the Usutu River .