Published October 9, 2020 | Version v1
Taxonomic treatment Open

Actinopus trinotatus Mello-Leitao 1938

  • 1. Museu Paraense Emílio Goeldi, Coordenação de Zoologia, Laboratório de Aracnologia, Av. Perimetral, 1901, Terra Firme, Cep: 66077 - 830, Belém, Pará, Brazil. https: // orcid. org / 0000 - 0002 - 9101 - 8657,
  • 2. Facultad de Ciencias, Sección Entomología, Iguá 4225, 11400, Montevideo, Uruguay. ® myga @ fcien. edu. uy, https: // orcid. org / 0000 - 0002 - 4367 - 6276

Description

Actinopus trinotatus Mello-Leitão, 1938

Figs 218–220, Map 18

Actinopus trinotatus Mello-Leitão, 1938: 311 (holotype ♀, Lagoa do Norte, Lagoa da Conceiç „o, Florianópolis, Santa Catarina, Brazil, IBSP 103431, examined); World Spider Catalog, 2020.

Diagnosis. Females of A. trinotatus are characterized by the asymetrical seminal receptacles, bilobed or trilobed; receptacles subquadrate, parallel to each other, without lateral swelling (Fig. 220 A); crown of thorns on the patella III interrupted in prolateral and retrolateral faces (Fig. 219 A).

FEMALE (holotype): Total length 15.86; Carapace, long 6.76; wide 8.22. Parallel lateral margins of carapace. Anterior eye row procurved, posterior row recurved.Many long bristles and short bristles between AME-clypeus, forming two slightly procurved rows in interdistances PME–PME and PLE–PLE. Short bristles between AMEclypeus and between lateral eyes-edge of carapace. Long bristles in chilum (Fig. 218 B). Sternum with eight sigilla strongly fused medially (Fig. 218 C). Rastellum protuberant, digitiform, hirsute, with short spines along retrolateral edge of rastellum and dorsally covered by small short spines (Fig. 218 E–F). Chelicerae with denticles along prolateral row of teeth. Denticles in the middle of prolateral and retrolateral rows of teeth (Fig.218 D).Patella and tibia III with distal developed crowns of thorns (Fig. 219 A–B). Tibia III with recurved distal crown of spines and strong spines along retrolateral surface of article (Fig. 219 B). Patella IV with prolaterodorsal short spines along extension of article (Fig. 219 C). Tibia IV without spines and with long bristles along prolaterodorsal surface (Fig. 219 D). Many strong spines in ventral surface of tarsi III and IV; And prolateral and retrolateral surfaces of tarsi and metatarsi I and II. Carapace and Chelicerae reddishbrow; sternum pale reddish-brown; legs reddish brown; and abdomen brown (Fig. 218 A). 40 labial cuspules, 181 on right maxilla and 192 on left. Eyes: Diameters: PME 0.21, PLE 0.44, ALE 0.47, AME 0.21; MOQ: Length 1.32, front width 0.88, back width 2.74; Interdistances: PME–PME 2.31, PLE–PME 0.13, AME–AME 0.41, ALE–AME 1.33, ALE–PLE 0.46, AME–PME 0.89. Ocular area: OAL 6.97, OAW 3.92, and IF 3.33. Body: Clypeus: 0.39; Fovea: 4.24; Labium: long 2.48; wide 1.89; Chelicerae: long 5.91; wide 3.52; Sternum: long 5.67; wide 4.99. Abdomen: long 8.34; wide 6.35. Leg measurements: I: Fe 4.07/ Pa 3.28/ Ti 2.34/ Me 3.03/ Ta 1.37/ total 14.09. II: 4.18/ 2.87/ 2.67/ 2.81/ 1.8/ 14.33. III: 4.56/ 4.02/ 1.5/ 3.83/ 1.65/ 15.56. IV: 5.72/ 2.39/ 3.41/ 3.95/ 1.31/ 16.78. Spination: I—Fe v0, d0, p0, r0; Pa v0, d0, p0, r0; ti v0-1-1, d0, p0-0-3, r9-11-9; Me v4-3-3, d0, p7-9-7, r12-14-6; ta v0-2-3, d0, p2-4-5, r2-7-6. II—Fe v0, d0, p0, r0; Pa v0, d0, p0, r0; ti v4-36-17, d0, p0, r0-28-15; Me v0-0-2, d0, p9-19-6, r3-6-5; ta v0-3-2, d0, p2-6-8, r3- 9-4; III—Fe v0, d0, p0, r0; Pa v0, d0-0-18, p0-0-1, r0-0-5; ti v0, d1-0-15, p0-0-2, r0-12-25; Me v0, d4-7-4, p0, r2-23- 18; ta v18-17-11, d0-3-2, p2-6-8, r5-8-1. IV—Fe v0, d0, p0, r0; Pa v0, d17-10-5, p4-5-2, r0; ti v0, d0, p0, r0; Me v0-0-2, d0-0-1, p0-0-2, r0; ta v1-14-9, d0-0-2, p4-6-6, r0. Spermathecae: Asymetrical seminal receptacles, as long as wide, with short ducts. in dorsal view, left receptacle with three lobes, median lobe as long as the internal lobe, and longer than the external lobe; right receptacle with two lobes, outer lobe longer than inner lobe (Fig. 220 A).

Distribution. BRAZIL.SantaCatarina:Florianópolis, and Blumenau (Map 18).

Examined material. BRAZIL: Santa Catarina: Blumenau [26° 55’ 59.9988” S 49° 2’ 59.9994” W], 1♀, xii.1975, M. da R. Guimbra Jr. leg. (IBSP 114126); 3♀, xii.1972, R. L. A. leg. (MZSP 22110).

Notes

Published as part of Miglio, Laura Tavares, Pérez-Miles, Fernando & Bonaldo, Alexandre B., 2020, Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae), pp. 1-256 in Megataxa 2 (1) on pages 244-245, DOI: 10.11646/megataxa.2.1.1, http://zenodo.org/record/5597237

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Linked records

Additional details

Biodiversity

Collection code
IBSP , MZSP , R
Material sample ID
IBSP 103431 , IBSP 114126 , MZSP 22110
Scientific name authorship
Mello-Leitao
Kingdom
Animalia
Phylum
Arthropoda
Order
Araneae
Family
Actinopodidae
Genus
Actinopus
Species
trinotatus
Taxon rank
species
Type status
holotype
Taxonomic concept label
Actinopus trinotatus Mello-Leitao, 1938 sec. Miglio, Pérez-Miles & Bonaldo, 2020

References

  • World Spider Catalog (2020) World Spider Catalog. Natural History Museum Bern. Available from: http: // wsc. nmbe. ch (accessed on 22 July 2020)
  • Pickard-Cambridge, F. O. P. (1896) On the Theraphosidae of the lower Amazons: being an account of the new genera and species of this group of spiders discovered during the expedition of the steamship " Faraday " up the river Amazons. Proceedings of the Zoological Society of London, 716 - 766. https: // doi. org / 10.1111 / j. 1096 - 3642.1896. tb 03076. x