Ariadna caerulea Keyserling, 1877

Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 41-44

publication ID	https://doi.org/10.11646/zootaxa.4400.1.1
publication LSID	lsid:zoobank.org:pub:59CC08B8-5B13-42EC-943E-C930D7D0DD7F
DOI	https://doi.org/10.5281/zenodo.5987872
persistent identifier	https://treatment.plazi.org/id/039B87D1-FFCC-B131-169B-FA64C471FC9D
treatment provided by	Plazi (2018-03-26 10:44:03, last updated 2024-11-24 23:29:14)
scientific name	Ariadna caerulea Keyserling, 1877
status

Treatment

Ariadna caerulea Keyserling, 1877 View in CoL

Figures 24‒25 View FIGURE 24 View FIGURE 25 , 68 View FIGURE68

Ariadne caerulea Keyserling, 1877: 227 (Immature lectotype and lectoparatype from Bogotá [04°35'53"N; 74°04'33"W], Cundinamarca, Colombia, deposited in NHM 90.7.1.478.9, designated by Beatty (1970), examined). Ariadna View in CoL caerulea— Petrunkevitch (1911: 131).— Bonnet (1955: 732).— Beatty (1970: 465, figs 44‒45, 49).— World Spider Catalog (2018).

Ariadna coerulea — Mello-Leitão (1943: 233).

Additional material examined. COLOMBIA: Magdalena Department: S side of Sierra Nevada de Santa Marta [10°51'59"N; 73°42'59"W], 8‒11,000ft., 1♂, IV.1938, T.D. Cabot leg. ( MCZ 46061) GoogleMaps ; Cundinamarca Department: Suesca [05°06'N; 73°48'W], Vivenda Santa Rosa , 2600m, 1♂, 31.III.2010, L. Sánches leg. (ICN-AR 4762) GoogleMaps ; Bogotá [04°35'53"N; 74°04'33"W], 1♀ ( MNHNP-AR) GoogleMaps .

Diagnosis. Males of Ariadna caerulea are similar to A. ubajara n. sp. due to the morphology of the palps ( Figs 25A‒B View FIGURE 25 , 59F‒G View FIGURE59 ) and metatarsi I ( Figs 24C‒E View FIGURE 24 , 59C‒E View FIGURE59 ), but differ by the presence of males with the mid-portion strongly bent forwards and a more tapered embolus tip ( Fig. 24C‒E View FIGURE 24 ); females are similar to A. boliviana , A. isthmica and A. gaucha n. sp. due to the macrosetae pattern of tibiae I‒II, but differ from these species, except A.

isthmica , by the presence of anterior receptaculum with the ventral lobe shorter than the dorsal one; it differs from A. isthmica by the presence of a ventral lobe longer and more sinuous ( Fig. 25C‒D View FIGURE 25 ).

Description. Male (ICN-Ar 4762). Carapace and chelicerae reddish brown ( Fig. 24A View FIGURE 24 ). Endites brownish orange; labium dark brownish orange. Sternum brownish orange with darker margins, and three pairs of dark marginal areas ( Fig. 24B View FIGURE 24 ). Palps light brownish orange ( Fig. 25A‒B View FIGURE 25 ). Legs brownish orange, with pairs I‒II darker ( Fig. 24C‒E View FIGURE 24 ). Abdomen grey, lighter ventrally ( Fig. 24A‒B View FIGURE 24 ). Total length 8.2; carapace 3.8 long, 2.6 wide. Palps: tibia incrassated, with the dorso-ventral diameter similar to the bulb; bulb sub-rectangular, mid-portion shorter than the embolus and abruptly curved forwards; embolus tapered and with a tubular tip; ( Fig. 25A‒B View FIGURE 25 ). Legs: slender and coated with setae ( Fig. 24C‒E View FIGURE 24 ); tarsal brush of putative chemosensory setae present in legs I‒IV, reduced in pair I, and extending to the distal region of metatarsi III‒IV. Leg formula: I-II-IV-III. Leg measurements: I, femur 3.64, patella 1.32, tibia 2.8, metatarsus 3.0, tarsus 0.84, total 11.6; II, 3.4, 1.36, 2.84, 3.0, 0.84, 11.44; III, 2.44, 1.08, 1.84, 1.84, 0.76, 7.96; IV, 2.84, 1.32, 2.2, 1.92, 0.8, 9.08. Macrosetae: I, femur D0-0-1-0-0-2-0, P0-0-0-0-0-1-0; patella P1, R1-1; tibia D0-0-0-1-0-0-0, P0-1-0-1-0-1-0, vr2-0-0-0-0-0/1-1, R1-1-1-0/1-1-0; metatarsus vp1-0-0-0- 0-0-0, vr0-0-0-0-0-0-1 ( Fig. 24C‒E View FIGURE 24 ); II, femur D0-1-1-0/1-0-2-0, P0-0-0-0-1/0-1-0; patella P0/1, R1; tibia P0-1-0- 1-0-1-0, vp0-0-0-0-0-0-1, vr2-0-1-0-1-1-1, R1-0-0/1-1-0-1-0; metatarsus vp1-0-0-0-0-0-0, vr1-0-0-0-0-0-1; IV, femur D1-1-1-1-1-1-1-1-0-2-0; tibia r0-0-0-0-0-1-0; metatarsus vp0-0-0-0-0-0-1/2, vr metatarsal comb with 3-4 macrosetae, r0-0-1/0-0-0-0-0.

Female (MNHNP-AR 25233). Carapace brownish orange. Chelicerae reddish orange, darker than the carapace ( Fig. 24F View FIGURE 24 ). Endites brownish orange; labium dark brownish orange. Sternum brownish orange with darker margins ( Fig. 24G View FIGURE 24 ). Palps reddish orange, darkening gradually in distal direction. Legs orange, with pairs I‒II darker ( Fig. 24H‒I View FIGURE 24 ). Abdomen as in male ( Fig. 24F‒G View FIGURE 24 ). Total length 10.64; carapace 4.96 long, 2.84 wide. Carapace with wavy margins ( Fig. 24F View FIGURE 24 ). Legs: robust and coated with setae; legs I‒II with ventro-prolateral and ventro-retrolateral tibial macrosetae of similar size, and metatarsal macrosetae of different sizes ( Fig. 24H‒I View FIGURE 24 ). Leg formula: I-II-IV-III. Leg measurements: I, femur 3.68, patella 1.76, tibia 3.08, metatarsus 2.92, tarsus 0.84, total 12.28; II, 3.44, 1.68, 2.92, 2.8, 0.84, 11.68; III, 2.68, 1.4, 1.88, 2.0, 0.8, 8.76; IV, 3.48, 1.76, 2.8, 2.32, 0.8, 11.16. Macrosetae: I, femur d0-0-0-0-0/1-2/1-0, p0-0-0-0-2-0-0; tibia p1-0-1-0-1-0, vp1-0-1-0-1-0-1-0, vr1-0-1-0-1-0-1- 0, r0-1-0-0-1-0; metatarsus vp1-1-1-1-1-1-1-1-1-1-1-1, vr1-1-1-1-1-1-0-1-1-1-1, ( Fig. 24H‒I View FIGURE 24 ); II, femur d0-0-0-0- 1-1-0, P0-0-0-0-1-1-0; tibia P0-0-1-0-1-0, vp1-0-0/1-0-1-0-1-0, vr1-0-1-0-1-0-1-0, R0-1-0-0-1-0; metatarsus vp1- 1-1-1-1-1-1-1-1-1-1, vr1-1-1-1-0-1-1-0/1-1-1-1; IV, metatarsus vp0-0-0-0-0-0-1, vr metatarsal comb with 4 macrosetae. Internal genitalia: anterior receptaculum with the glandular ducts plate extending to the proximal region of the dorsal lobe ( Fig. 25C‒D View FIGURE 25 ).

Variation. Male (n=2): Total length 3.84‒8.2; carapace 2.16‒3.8 long, 1.68‒2.6; femur I 2.72‒3.64.

Distribution. North and center of Colombia ( Fig. 68 View FIGURE68 ).

References

Beatty, J. A. (1970) The spider genus Ariadna in the Americas (Araneae, Dysderidae). Bulletin of the Museum of Comparative Zoology, 139 (8), 433 - 518.

Bonnet, P. (1955) Bibliographia araneorum. 2 (1). Les Artisans de L'Imprimerie Douladoure, Toulouse, 919 pp.

Keyserling, E. (1877) Amerikanische Spinnenarten aus den Familien der Pholcoidae, Scytodoidae und Dysderoidae. Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien, 27, 205 - 234.

Mello-Leitao, C. F. de (1943) Catalogo das aranhas do Rio Grande do Sul. Arquivos do Museu Nacional do Rio de Janeiro, 37, 147 - 245.

Petrunkevitch, A. (1911) A synonymic index-catalogue of spiders of North, Central and South America with all adjacent islands, Greenland, Bermuda, West Indies, Terra del Fuego, Galapagos, etc. Bulletin of the American Museum of Natural History, 29, 1 - 791. https: // doi. org / 10.5962 / bhl. title. 23819

World Spider Catalog (2018) World Spider Catalog. Natural History Museum Bern, version 19.0. Avaliable from: http: // wsc. nmbe. ch / (accessed on 16 January 2018)

Figures

FIGURE 24. Ariadna caerulea Keyserling, 1877. Male from Suesca (ICN-Ar 4762) (A‒E): habitus, dorsal (A) and ventral view (B); right leg I, prolateral (C) and retrolateral view (D); right metatarsus I, ventral view (E). Female from Bogotá (MNHNP-AR 25233) (F‒I): habitus, dorsal (F) and ventral view (G); right leg I, prolateral (H) and retrolateral view (I). Scale bar:1mm.

FIGURE 25. Ariadna caerulea Keyserling, 1877. Male from Suesca (ICN-Ar 4762) (A‒B): left palp, prolateral (A) and retrolateral view (B). Female from Bogotá (MNHNP-AR 25233) (C‒D): Internal genitalia, lateral view (C); Anterior receptaculum, ventral view (D). Scale bar:1mm.

FIGURE68. Locality of the specimens of A.caerulea, A.tovarensis, A. arthuri, A.multispinosa, A.isthmica and A. reginae n. sp. examined in the present study.

FIGURE59. Ariadna ubajara n. sp.. Male (Paratype)from Parque Nacionalde Ubajara (IBSP 166972) (A‒G):habitus, dorsal (A) and ventral view (B); right leg I, prolateral (C) and retrolateral view (D); right metatarsus I, ventral view (E); left palp, prolateral (F) and retrolateral view (G). Scale bar: 1mm.