Holmelgonia basalis Jocque & Scharff 1986
Creators: name: Lin, Shou-Wang
name: Lopardo, Lara
name: Uhl, Gabriele
Publisher: name: Zenodo
Year: 2021
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Araneae
Linyphiidae
Holmelgonia
Holmelgonia basalis

description: HOLMELGONIA BASALIS JOCQUÉ & SCHARFF, 1986
(FIGS 19C, 22C, 24C, 36; SUPPORTING INFORMATION, FIG. S2A)
Elgonella basalis Jocqué & Scharff, 1986: 12, figs 18–25 (Dmf).
Elgonia basalis Platnick, 1989: 232.
Elgonia basalis Scharff, 1990a: 25, figs 44–46 (mf).
Holmelgonia basalis, Jocqué & Scharff, 2007: 161.
Examined material: Tanzania, Uzungwa Mts., Mwanihana Forest above Sanje River, 1700 m, 1♂ 1♀ 15.viii.1982, leg. M, Stoltze & N, Scharff (ZMUC); same locality, 1800 m, pitfall trap, 1♂ 18.viii.1982, leg. M, Stoltze & N, Scharff (ZMUC); same locality, 1800 m, litter, 1♀ 15.viii.1982, leg. M, Stoltze & N, Scharff (ZMUC).
Description:
Male (ZMUC, 15.viii.1982): Total length: 1.72. Prosoma: 0.79 long, 0.61 wide, without modification (Fig. 19C). Eyes: AME-AME: 0.02, AME width: 0.04, AME-ALE: 0.02, ALE width: 0.08, ALE-PLE: 0, PLE width: 0.09, PLE-PME: 0.08, PME width: 0.02, PME- PME: 0.03. Clypeus: not hirsute, one sub-AME seta. Sternum: 0.44 long, 0.48 wide. Chelicerae: mastidia absent; stridulatory striae ridged, rows widely and evenly spaced (Fig. 22C). Legs: tibia chaetotaxy 2-2-1-1; dorsal proximal macroseta on tibia II, III and IV 2.24, 4.1 and 3.85 times diameter of tibia, respectively; Tm I: 0.60. All metatarsi with trichobothrium. Pedipalp: patella prolateral proximal vertical macrosetae absent; tibia with one prolateral, two retrolateral trichobothria; TPA large, base distant from C base, distal part as wide as base, with two protuberances at tip, each with a seta below (Fig. 36A, C); PC base not visible from dorsal view, distal setae close to distal clasp, distal-setae-bearing area wide, distal clasp without striae, clasp extended apically (Fig. 36A); T without papillae, PT apical part with long papillae; TS shot, slender (Fig. 36D); MSA present; DSA wide, truncated at tip (Fig. 36A); EM broad, flat, without papillae, not exceeding ARP; ARP pointed; LER absent; central embolar apophysis present; VRP long, with papillae close to tip; TP long, round at tip; E short and slender, slightly retrolaterally curved (Fig. 36B). Opisthosoma: dorsal pattern see Fig. 24C; PMS with mAP, AC absent; PLS with triad, one AC (Fig. 36G).
Female: Total length: 2.04. Prosoma: 0.88 long, 0.62 wide. Eyes: AME-AME: 0.02, AME width: 0.04, AME-ALE: 0.02, ALE width: 0.08, ALE-PLE: 0, PLE width: 0.07, PLE-PME: 0.04, PME width: 0.07, PME- PME: 0.03. Clypeus: not hirsute, one sub-AME seta. Sternum: 0.5 long, 0.51 wide. Legs: tibia chaetotaxy 2-2-1-1; dorsal proximal macroseta on tibia I 2.85 times diameter of tibia, respectively; Tm I: 0.60. Epigyne: Clade 13 characteristic morphology, CO close to dorsal plate posterior margin (Fig. 36E, F). Opisthosoma dorsal pattern same as male; PMS with mAP, CY; PLS with triad, one AC, two CY (Fig. 36H, I).
Distribution: Tanzania.
description: Published as part of Lin, Shou-Wang, Lopardo, Lara & Uhl, Gabriele, 2022, Evolution of nuptial-gift-related male prosomal structures: taxonomic revision and cladistic analysis of the genus Oedothorax (Araneae: Linyphiidae: Erigoninae), pp. 417-584 in Zoological Journal of the Linnean Society 195 on pages 482-484, DOI: 10.1093/zoolinnean/zlab033, http://zenodo.org/record/6967774