Penestomus prendinii
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Ordo: Araneae
Familia: Eresidae
Genus: Penestomus
Name
Penestomus prendinii Jeremy A. Miller, 2010 – Wikispecies link – Pensoft Profile
- Penestomus prendinii Jeremy A. Miller, 2010, Zootaxa 2534: 23-23.
Description
Figs 12E, 12F, 15A, 15B, 21
Materials Examined
South Africa site 65, 37.4 km NE Beaufort West, top of De Jager's Pass, Beaufort West District Farm Spitskop 73 L. Prendini, H. Bichard South Africa site 65, 37.4 km NE Beaufort West, top of De Jager's Pass, Beaufort West District Farm Spitskop 73 L. Prendini, H. Bichard
Etymology
Etymology. The specific epithet is a patronymic in honor of co-collector Lorenzo Prendini for his contributions to arachnid systematics in South Africa and elsewhere, and for braving gunfire during the collection of this species.
Diagnosis
Diagnosis. Female distinguished by the shape of the carapace, which is more rounded laterally (Fig. 15 A), nearly parallel sided in other species (Fig. 9 A), and also flatter than other species. Female further distinguished from other planus group species by the shape of the posterior margin of the AL of the epigynum, which is straight medially, then turns sharply to form lateral corners that project somewhat more posteriorly (Fig. 12 E). The posterior margin of the AL is distinctly recurved in other species (Fig. 12 A) except P montanus, which has an indistinct margin (Fig. 12 C). Male unknown.
Description
Description. Carapace brown, lateral margins somewhat rounded, covered by fine black setae, with broad white setae concentrated posterior to fovea (Fig. 15 A). Sternum dusky pale yellow (Fig. 15 B). Chelicerae brown, with five promarginal teeth, two retromarginal teeth; with fine black setae only. Legs dusky brown basally, anterior legs orange distally, posterior legs yellow distally. Abdomen dark gray dorsally with pair of broad light dorsolateral patches, covered with mixture of fine black and broad white setae (Fig. 15 A). Epigynum. AL subtriangular, clearly differentiated from surrounding cuticle, posterior margin straight medially, then turns sharply to form lateral corners projecting somewhat more posteriorly; PL approximately 1/4 length of epigynum, grooves slightly diverging posteriorly (Fig. 12 E). Female macrosetae. Leg I: tibia v1-2 -2, metatarsus v2-2 -2; leg II: tibia v1, metatarsus v2-2 -2; leg III: metatarsus v1-2; leg IV: metatarsus v2-1 -2, tarsus r1. Paratype female (AMNH): Total length 5.7, carapace 2.31 long, 1.88 wide, 0.16 high, sternum 1.34 long, 0.69 wide. Leg measurements: - I II III IV Pedipalp Femur 1.33 1.31 0.98 1.58 0.68 Patella 0.70 0.67 0.52 0.76 0.29 Tibia 0.84 0.83 0.62 1.31 0.25 Metatarsus 0.86 0.79 0.55 0.86 - Tarsus 0.39 0.34 0.24 0.29 0.46 Total 4.12 3.94 2.91 4.81 1.69
Distribution
Distribution. Known from Western Cape Province, South Africa (Fig. 21).
Taxon Treatment
- Jeremy A. Miller; Charles E. Griswold; Charles R. Haddad; 2010: Taxonomic revision of the spider family Penestomidae (Araneae, Entelegynae), Zootaxa 2534: 23-23. doi
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