Iridopelma marcoi Bertani 2012

Holotype female (MZSP 36891). Carapace 14.9 long, 14.6 wide, chelicerae 9.3. Legs (femur, patella, tibia, metatarsus, tarsus, total): I: 12.4, 7.8, 8.9, 8.3, 4.5, 41.9. II: 11.4, 6.9, 8.1, 7.6, 4.4, 38.4. III: 10.0, 6.1, 7.3, 6.5, 4.3, 34.2. IV: 12.2, 6.5, 9.7, 10.1, 4.7, 43.2. Palp: 8.7, 5.5, 5.6, –, 5.9, 25.7. Mid-widths (lateral): femora I–IV = 3.0, 3.1, 3.2, 2.5, palp = 2.4; patellae I–IV = 2.8, 2.8, 2.8, 2.8, palp = 2.4; tibiae I–IV = 2.6, 2.6, 2.5, 2.4, palp = 2.3; metatarsi I–IV = 2.1, 2.0, 2.0, 1.6; tarsi I–IV = 2.2, 2.2, 229, 2.2, palp = 2.2. Abdomen 16.7 long, 11.7 wide. Spinnerets: PMS, 1.9 long, 0.9 wide, 0.3 apart; PLS, 2.3 basal, 1.5 middle, 2.2 distal; mid-widths (lateral), 1.3, 1.2, 1.0, respectively. Carapace: length to width 1.02. Fovea: deep, 2.5 wide. Eyes: tubercle 0.8 high, 2.1 long, 2.6 wide. Clypeus 1.0. Anterior eye row procurved, posterior slightly recurved. Eye sizes and inter-distances: AME 0.5, ALE 0.5, PME 0.4, PLE 0.4, AME–AME 0.6, AME–ALE 0.3, AME–PME 0.1, ALE–ALE 1.8, ALE–PME 0.5, PME–PME 1.6, PME–PLE 0.1, PLE–PLE 2.1, ALE–PLE 0.4, AME–PLE 0.4. Ratio of eye group width to length 2.0. Maxillae: length to width: 2.0. Cuspules: 100–150 spread over ventral inner heel. Labium: 1.9 long, 2.6 wide, with ca. 150 cuspules. Labio-sternal groove deep, narrow, sigilla not evident. Chelicerae: basal segments with ten teeth decreasing in size from distal to basal portion. Sternum: 7.5 long, 6.6 wide. Legs: leg formula: I=IV II III. Scopula: tarsi I–IV fully scopulate. Metatarsi I–II 4/5 scopulate; III 2/3, IV 1/2 distal scopulate. IV divided by three wide row of setae. Urticating hairs lacking on abdomen dorsum. Genitalia: paired long and converging spermathecae tapering strongly from base to apex, double folded and with a strong distal constriction forming one or two distal lobes (Fig. 166). Color pattern: carapace, chelicerae, and femora of legs and palps dark brown covered with dense layer of metallic green setae. Other leg and palp segments dorsally dark brown with brown setae. Tibiae and patellae covered with metallic blue setae prolaterally and retrolaterally; ventrally black. Tarsi with a dorsal “U” orange stripe. Sternum, labium, maxillae and coxae black. Abdomen ventrally black; dorsally dark brown with a large lighter central spot. Longitudinal stripes on dorsum of femora, patellae, tibiae and metatarsi inconspicuous. Distal femora, patellae, tibiae and metatarsi with broad white rings (Fig. 167). Male: unknown.

Brazil: known only from São Desidério, state of Bahia (Fig. 169).