Stenoterommata bodoquena Ghirotto & Indicatti, 2021

Ghirotto, Victor Morais, Guadanucci, José Paulo Leite & Indicatti, Rafael Prezzi, 2021, The genus Stenoterommata Holmberg, 1881 (Araneae, Pycnothelidae) in the Cerrado and Atlantic Forest from Southeastern and Central Brazil: description of four new species, Zoosystema 43 (17), pp. 311-339 : 324-327

publication ID 10.5252/zoosystema2021v43a17

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Stenoterommata bodoquena Ghirotto & Indicatti

sp. nov.

Stenoterommata bodoquena Ghirotto & Indicatti , n. sp.

( Figs 1D, E View FIG ; 10-12 View FIG View FIG View FIG )

TYPE MATERIAL. — Holotype. Brazil • 1 ♂; Mato Grosso do Sul, Bonito, Parque Nacional da Serra da Bodoquena, Três Morros , Fazenda Marambaia trail; 20°58’13.4”S, 56°43’03.3”W; 05.VIII.2019; V. M. Ghirotto, R. F. Ferreira, J. F. J. Mendes & M. J. A. Morales leg.; under fallen log; CAD 774 . GoogleMaps

Paratype. Brazil • 1 ♂; Mato Grosso do Sul, Bonito, near Jaraguá cave ; 21°05’26.9”S, 56°34’30.6”W; 03.VIII.2019; V. M. Ghirotto, R. F. Ferreira, J. F. J. Mendes & M. J. A. Morales leg.; under fallen log; CAD 775 GoogleMaps .

DIAGNOSIS. — Males of S. bodoquena Ghirotto & Indicatti , n. sp. resemble those of S. pavesii , S. gugai , S. peri Indicatti, Chavari, Zucatelli-Júnior, Lucas & Brescovit, 2017 and S. egric Ghirotto & Indicatti , n. sp. by the elongated and thicker embolus ( Fig. 11 View FIG A-D, J), but can be distinguished by palpal duct with basal and middle region strongly curved ( Fig. 11 View FIG B-D) and embolus with dorsoventrally compressed keel at the tip ( Fig. 11 View FIG A-D, J). Additionally, it can be distinguished by having 6 spines (p1-2-2-1) on prolateral region of patellae III.

ETYMOLOGY. — The specific name is a noun in apposition from the type locality, Parque Nacional da Serra da Bodoquena, in the Bodoquena mountain range, in Mato Grosso do Sul, Brazil.


Male (holotype)

Color pattern: in life, chelicerae, carapace black, legs dark brown, all covered with golden and brown setae (similar to paratype, Fig. 1D View FIG ). Abdomen dorsally brown with many black stains not forming a chevron, covered with black setae; in ethanol, chelicerae, carapace and legs reddish brown covered with golden setae ( Fig. 10A View FIG ). Sternum, maxillae and coxae reddish light brown ( Fig. 10B View FIG ). Abdomen dorsally yellowish light brown with many dark brown stains not forming a chevron, covered with golden and black setae ( Fig. 10C View FIG ), and ventrally yellowish light brown with few posterior black stains ( Fig. 10D View FIG ). Total length 15.99. Chelicerae 2.20 long, 1.27 wide (only left side). Carapace 6.94 long, 5.33 wide, with narrow, procurved fovea, 0.75 wide. Abdomen 6.45 long, 4.41 wide. Thoracic region slightly raised. Clypeus narrow, 0.11 long. Eye tubercle 0.82 long, 1.01 wide, slightly elevated. Anterior eye row procurved, posterior recurved ( Fig. 10A View FIG ). Eye sizes: AME 0.33, ALE 0.36, PME 0.24, PLE 0.26. Chelicerae with 8 teeth in prolateral row ( Fig. 11H View FIG ), with c. 25 basal smaller teeth, rastellum weak formed by long thin setae ( Figs 10B View FIG ; 11H View FIG ). Intercheliceral tumescence medium, with few setae on basal region ( Fig. 11H View FIG ). Labium 0.60 long, 1.16 wide, without cuspules ( Fig. 10B View FIG ). Maxillae with 105/110 blunt and clavate cuspules on internal basal angle ( Fig. 10B View FIG ), becoming thin and elongated at inner margin edge. Serrula developed ( Fig. 11I View FIG ). Sternum oval, 3.46 long, 2.86 wide. Labial sigilla distant from margin by c. 0.1 × its length, same size as anterior sternal sigilla. Sternal sigilla ( Fig. 10B View FIG ): anterior slightly smaller than medium, posterior the largest; anterior and medium distant from margin by c. 0.5 × length, posterior by c. 1 × length. Measurements: palp: femur 2.95/ patella 1.43/ tibia 1.67/ cymbium 0.84/ total 6.89; legs: I: femur 5.01/ patella 3.41/ tibia 3.84/ metatarsus 3.63/ tarsus 2.51/ total 18.40; II: 4.73/ 2.95/ 2.96/ 3.57/ 2.36/ 16.57; III: 4.59/ 2.46/ 2.73/ 4.23/ 2.32/ 16.33; IV: 6.16/ 2.95/ 4.37/ 6.12/ 2.73/ 22.33. Spination: palp: femur: d0-0-0-0-2, tibia: p1ap, r1ap; legs: femora: I: d0-0-0-2-2; II: d0-1p-1p-1p; III: d0-0-2-2-2; IV: d1-1p-2-2; patellae: II: p0-0-1s-1s; III: p1-2-2-1, r0-1-0; IV: r0-1-0; tibiae: I: v2r-2-1ap + 1r megaspine ( Fig. 11G View FIG ), p0-1-1-0; II: v1p-2r-0-1-0-2ap, p0-1-1-0; III: d0-0-1-0, v3-3-3ap, p0-1- 1-0, r0-1-1-0; IV: v3-3-3ap, p0-1-1-0, r1-1-1; metatarsi: I: v0-1-0-0-1ap, p0-1-0-1; II: d0-0-1p-0-0, v0-1r-1r-0-0-3ap, p1-1-0-0-1, r0-0-1-0; III: d1r-1-1-0-2ap, v0-2-2-2, p1-1-1, r1-1-0-1; IV: d1r-1-1-0-1rap, v0-2-1p-1r-3ap, p1-1-1-1, r1-0-1-0-1. Metatarsal preening combs: III: 5VR, 6VP; IV: 5VR, 4VP. Combs of leg IV are formed by thicker setae. Tarsi I-IV flexible ( Fig. 11G View FIG , tarsus I). Scopulae on tarsi I-IV light and symmetric; I, II divided by 2 rows of thicker setae; III divided by 3-4 rows; IV divided by 4-5 rows. Scopulae on 1/8 of metatarsi I, II; divided by 4-5 sparse rows of thicker setae; III, IV absent. STC large with double row of teeth: I: 8, 5, 5, 8; II: 8, 6, 6, 7; III: 7, 5, 5, 7; IV: 8, 5, 5, 8. ITC on tarsus IV.Tricobothria with rounded, elevated bases. Around 32 epiandric spigots. Four spinnerets ( Fig. 10D View FIG ): PMS 0.77 long, with pumpkiniform spigots on apical half. PLS: basal segment 1.41, median 1.02, apical triangular, 0.66 long, with band of pumpkiniform spigots on inner edge of all segments. Palp ( Fig. 11 View FIG E-F): cymbium with elongate dense setae, denser at tip ( Fig. 11E, F View FIG ); tibia with shallow ventral excavation on apical third ( Fig. 11E, F View FIG ); tibial excavation and basal region of tegulum ( Fig. 11 View FIG A-D) with grooves; bulb piriform, ventrally curved, embolus with c. 15 parallel keels mainly located retrodorsally ( Fig. 11 View FIG A-D, J).

VARIATION. — Males (n = 2): total length 13.00-15.99; carapace 6.44-6.94 long; maxillae with 82-110 cuspules.

DISTRIBUTION. — Known only from Bonito, state of Mato Grosso do Sul, Central Brazil.

HABITAT. — Individuals were found in two nearby although distinct forest areas, 20 km apart. The Parque Nacional da Serra da Bodoquena consists of a relictual Atlantic Forest patch (semidecidual forest), surrounded and heavily influenced by the Cerrado. The area near Jaraguá cave is a fragment of deciduous Cerrado forest (seasonal forest), with low canopy and dryer conditions ( Fig. 12 View FIG A-C).


Only two males and two juveniles were found by active search. The juveniles were found inside fallen rotting logs ( Fig. 12 D, E View FIG ), which were already soft and loose, where they supposedly constructed burrows (as they were visible after splitting the log, no such burrows could be seen). Both adult males were found underneath fallen logs. In the areas they were found, no burrows were visible in the soil.













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