Actinopus confusus, Miglio, Laura Tavares, Pérez-Miles, Fernando & Bonaldo, Alexandre B., 2020

Miglio, Laura Tavares, Pérez-Miles, Fernando & Bonaldo, Alexandre B., 2020, Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae), Megataxa 2 (1), pp. 1-256 : 48-51

publication ID

https://doi.org/ 10.11646/megataxa.2.1.1

publication LSID

lsid:zoobank.org:pub:D8203766-9E7B-468F-9E75-F21393A1BA3D

DOI

https://doi.org/10.5281/zenodo.5655571

persistent identifier

https://treatment.plazi.org/id/0975136A-FFA2-CE6F-FCD5-F9DBD9303BB7

treatment provided by

Plazi

scientific name

Actinopus confusus
status

sp. nov.

Actinopus confusus View in CoL sp. nov.

Figs 42–44 View FIGURE 42 View FIGURE 43 View FIGURE 44 , Map 4 View MAP 4

Type material. Holotype male from 9° 13’ 16” S 43° 29’ 21” W, PPBio Semiárido, Parque Nacional da Serra das Confusıes, Caracol, Piauí, Brazil, x.2006, P. R. R. Silva et al. leg. ( CHNUFPI 234 ) GoogleMaps . Paratypes: BRAZIL. Piauí: Caracol, [9° 13’ S 43° 29’ W], Parque Nacional da Serra das Confusões, 2♂ ( MPEG); GoogleMaps Parque Nacional da Serra das Confusıes, PPBio Semiárido , 9° 13’ 16” S 43° 29’ 21” W, 1♂, x.2006, P. R. R GoogleMaps . Silva et al. leg. ( CHNUFPI 24 , 27 , 28 , 237 ); 2♂, x.2006, P. R. R . Silva et al. leg. ( CHNUFPI 2 , 4 ); 4♂, x.2006, P. R. R . Silva et al. leg. ( CHNUFPI 23 , 244 ); 6♂, x.2006, P. R. R . Silva et al. leg. ( CHNUFPI 243 ) .

Etymology. The specific name, a Latin adjective meaning confounded, was inspired by the type locality name, Serra das Confusıes, which stands for Confusion Mountains.

Diagnosis. Males of A. confusus resemble those of A. jaboticatubas ( Fig. 41 View FIGURE 41 A–C) by the serrated area distal to PAc ( Fig. 44 View FIGURE 44 A–C); PA developed and continuous to PAc ( Fig. 44 A, C View FIGURE 44 ); thin embolus and BTA placed medially on prolateral tegular surface ( Fig. 44 A View FIGURE 44 ). Males differ from those of A. pinhao ( Fig. 32 View FIGURE 32 A–C) and A. jaboticatubas ( Fig. 41 View FIGURE 41 A–C) by the long PS on dorsal view ( Fig. 44 B View FIGURE 44 ) and from all other species of the group pinhao by the short keels prolateral view and tegular region with keels, with a basal swelling above PAc in prolateral view ( Fig. 44 A View FIGURE 44 ).

MALE (CHNUFPI 234): Total length 19.37; Carapace, long 7.25; wide 7.25. Carapace rounded. Anterior eye row slightly procurved, posterior row recurved ( Fig. 42 B View FIGURE 42 ). Without bristles between AMEclypeus. With one short bristle between ALE–ALP and without bristles between posterior eyes-fovea and lateral eyes-edge of carapace. Sternum with eight sigilla fused medially, two distal sigilla more fused than others ( Fig. 42 C View FIGURE 42 ). Rastellum protuberant, inverted V-shaped, hirsute, without spines apically ( Fig. 42 View FIGURE 42 E–F). Chelicerae with 14 denticles along prolateral row of teeth. Prolateral row with six megateeth. Retrolateral row with six megateeth and one denticle in middle of row ( Fig. 42 D View FIGURE 42 ). Patella and tibia III with distal crown of well-developed thorns, on patella III interrupted in middle and on tibia III not interrupted in middle ( Fig. 43 View FIGURE 43 A–B). Patellae III and IV with spines on prolaterodorsal face ( Fig. 43 A, C View FIGURE 43 ). Tibia IV without spines on dorsal surface ( Fig. 43 D View FIGURE 43 ). Ventral pseudoscopulae occupying 50% of tarsus I, 70% of II and 100% of III and IV. Pseudoscopula of tarsi I and II with setae spaced, forming diffuse group of bristles; on tarsi III and IV, compact. Carapace, chelicerae, sternum, coxae, trochantera, femora, patellae, tibiae, metatarsi and tarsi reddish brown; tibia of palp yellowish-brown, paler than other articles. Abdomen pale brown ( Fig. 42 A View FIGURE 42 ). Eyes: Diameters: PME 0.20, PLE 0.28, ALE 0.44, AME 0.40; MOQ: Length 1.16, front width 3.52, back width 2.96; Interdistances: PME–PME 2.04, PLE–PME 0.12, AME–AME 0.24, ALE–AME 1.04, ALE–PLE 0.68, AME–PME 0.68. Ocular area: OAL 5, OAW 4.12, and IF 2.37. Body: Clypeus: 0.37; Fovea: 3.12; Labium: long 1.5; wide 1.25; Chelicerae: long 4.125; wide 2; Sternum: long 4.87; wide 4.87. Abdomen: long 10.12; wide 6.87. Leg measurements: I: Fe 7.75/ Pa 3.25/ Ti 4.62/ Me 5.25/ Ta 3.5/ total 24.37. II: 7.5/ 3.25/ 4.62/ 5.75/ 3.5/ 24.62. III: 5.75/ 3.25/ 3.37/ 6.62/ 3.37/ 22.37. IV: 7.62/ 3.62/ 6.25/ 7/ 3.87/ 28.37. Formula 4123. Spination: I—Fe v0, d0, p0, r0; Pa v0, d0, p0, r0; ti v0-5-6, d0, p0-0-1, r0; Me v6- 4-7, d0, p1-2-3 r0; ta v1-5-7, d0, p1-2-2, r0. II—Fe v0, d0, p0, r0; Pa v0, d0, p0, r0; ti v0-4-4, d0, p0, r0-3-4; Me v4-4-3, d0, p0-2-2, r3-6-5; ta v1-4-3, d0, p2-4-4, r4-9-11. III—Fe v0, d0, p0, r0; Pa v0, d4-10-25, p0, r0-0-3; ti v0- 0-4, d1-0-19, p0-0-2, r0-0-3; Me v0-5-4, d0-0-1, p1-4-4, r1-3-8; ta v0-3-12, d0, p1-0-6, r0-9-12; IV—Fe v0, d0, p0, r0; Pa v0, d15-20-10, p0, r0; ti v0-0-2, d0, p0, r0; Me v3-4-4, d0, p3-0-3, r0; ta v0, d0, p2-8-12, r1-9-13. Palp: PA developed, embolus with three keels (PAc, PI and PS). BTA developed and placed medially on prolateral tegular surface; serrated area developed, distal to PAc and next to base of next to base of embolus; tegulum elongated and smooth, and embolar bases thinner. Tegular region with keels, with basal swelling below PAc in prolateral view ( Fig. 44 View FIGURE 44 A–C).

Distribution: BRAZIL. Piauí: Caracol, Parque Nacional da Serra das Confusıes ( Map 4 View MAP 4 ).

R

Departamento de Geologia, Universidad de Chile

MPEG

Museu Paraense Emilio Goeldi

Kingdom

Animalia

Phylum

Arthropoda

Class

Arachnida

Order

Araneae

Family

Actinopodidae

Genus

Actinopus

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