Taintnops paposo

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Taxonavigation

Ordo: Araneae
Familia: Caponiidae
Genus: Taintnops

Name

Taintnops paposo Brescovit & Sánchez-Ruiz, 2016 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile

Types

Holotype and paratype females from Reserva Nacional Paposo (24°57,82'S, 70°27,961'W), 52m asl, Taltal, Antofagasta Province, Chile, 16/VII/2012, A.D. Brescovit, A.J. Santos & A. Taucare-Rios col., deposited in IBSP 166983 and 166984, respectively.

Etymology

The specific name is a noun in apposition taken from the type locality.

Diagnosis

Females differ from those of Taintnops goloboffi Platnick (see Platnick 1994b: fig. 25) by the oval anteromedian receptaculum lacking posterior extensions (Fig. 16E)

Description

Male. Unknown.
Female (holotype). Total length 3.9. Carapace 1.3 long, 0.8 wide. Carapace, mouthparts and sternum reddish. Border of eyes black. Legs and pedipalp orange. Abdomen uniformly creamy white, with epyginal area orange (Fig. 6H). Leg measurements: I: femur 0.85/ patella 0.4/ tibia 0.55/ metatarsus 0.45/ tarsus 0.3/ total 2.55; II: 0.75/ 0.4/ 0.55/ 0.45/ 0.25/ 2.40; III: 0.6/ 0.3/ 0.4/ 0.35/ 0.3/ 1.95; IV: 0.9/ 0.4/ 0.7/ 0.6/ 0.35/ 2.45. External female genitalia with weakly sclerotized anterior plate, and posterior border of genital opening strongly sclerotized (Fig. 6H). Internal genitalia with oval and elongate membranous anteromedian receptaculum not extending posteriorly, lacking sclerotized posterior extensions (Fig. 16E).

Other material examined

None.

Distribution

Known only from Taltal area, in the Antofagasta Region.

Natural history

Both specimens were collected under rocks during the day. Silk retreats were not observed in the area.

Original Description

• Brescovit, A; Sánchez-Ruiz, A; 2016: Descriptions of two new genera of the spider family Caponiidae (Arachnida, Araneae) and an update of Tisentnops and Taintnops from Brazil and Chile ZooKeys, (622): 47-84. doi

Images

Figure 6. Taintnops paposo sp. n. from Taltal, Antofagasta, Chile, female paratype (A–J) A habitus, dorsal view B carapace, ocular area, dorsal view C carapace, ventral view D leg I, metatarsus and tarsus distal, retrolateral view E pedipalp, prolateral view F same, retrolateral view G leg I, prolateral view H genital area, ventral view I spinnerets, posterior view J same, ventral view.  Figure 7. SEM images of Taintnops paposo sp. n., female paratype (A–I) A chelicerae, ventral view B left endite and labium, ventral view C left serrula, ventral view D left pedipalp, prolateral view E same, distal area, prolateral view F paired claws on right leg I, prolateral view G trichobotria base on leg II, dorsal view H sensilla on leg II, dorsal view I paired claws on right leg IV, prolateral view.  Figure 16. Carajas paraua sp. n., male from IBSP 161191 (A–C) and female from IBSP 191285 (D). A left pedipalp, prolateral view B same, ventral view C same, retrolateral view D internal genitalia and tracheae tubes, dorsal view (mmr = membranous anteromedian receptaculum; psb = pair of sclerotized bars). Scale bars: A–D 0.5 mm.