Penestomus armatus
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Ordo: Araneae
Familia: Eresidae
Genus: Penestomus
Name
Penestomus armatus Jeremy A. Miller, 2010 – Wikispecies link – Pensoft Profile
- Penestomus armatus Jeremy A. Miller, 2010, Zootaxa 2534: 31-33.
Description
Figs 3D, 19-21
Materials Examined
South Africa Alicedale F. Cruden
Diagnosis
Diagnosis. Male distinguished from P egazini (Fig. 10 A) by the absence of a keel on the outer margin of the embolus (Fig. 20 A); and from P. montanus (Fig. 14 A) by the lack of a lobe on the anterior margin of the tail of the MA (Fig. 20 A). Male further distinguished by the relatively shallow notch in the retrolateral plate of the MA (Fig. 20 C). Female unknown.
Description
Description. Carapace orange, rugose (Fig. 19 A; setae, if any, lost from holotype). Sternum pale yellow (Fig. 19 B; damaged in holotype specimen). Chelicerae orange, with five promarginal teeth, two retromarginal teeth. Legs brown basally, pale yellow distally. Abdomen light gray dorsally with pair of light dorsolateral patches (Fig. 19 A; setae, if any, lost from holotype). Male pedipalp: RTA1 with tips long, diverging, inside tip curved ventrally, outside tip with basal suture (Fig. 20 A). Dorsal ridge short, restricted to base of RTA1. RTA2 with apex short, curved dorsally (Fig. 20 C). MA without anterior lobe arising from tail (Fig. 20 A). Embolus without keel along outer margin; bifid distal region formed from small transparent dorsal process and pointed distal tip (Fig. 20 C). Male macrosetae: Leg I: femur d1, tibia r2-2-2-2-2-1, v1-2 -2, metatarsus r1-3-1, v2-2 -2; leg II: femur d1, tibia r1-1-1, v2-2 -2, metatarsus r1-1-1, v2-2; leg III: femur d1, tibia r1-1-1, v2-2 -2, metatarsus r1-1-1, v2-2; leg IV: femur d1 (tibia, metatarsus, tarsus undetermined). Holotype male: Total length 4.9, carapace 2.20 long, 1.56 wide, 0.56 high, sternum 1.28 long, 0.69 wide. Leg measurements: - - - - - - I II III IV* Femur 1.17 1.11 0.95 1.27 Patella 0.59 0.56 0.50 0.67 Tibia 0.91 0.80 0.64 NA Metatarsus 1.02 0.88 0.69 NA Tarsus 0.51 0.45 0.36 NA Total 4.20 3.80 3.14 NA * tibiae of both fourth legs broken.
Distribution
Distribution. Known from Eastern 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: 31-33. doi
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