Tonton quiteria, Passanha, Victor, Cizauskas, Igor & Brescovit, Antonio D., 2019

Passanha, Victor, Cizauskas, Igor & Brescovit, Antonio D., 2019, A new genus of Micromygalinae (Araneae, Microstigmatidae) from Brazil, with transfer of Masteriaemboaba Pedroso, Baptista & Bertani, 2015 and description of six new species, ZooKeys 814, pp. 1-32 : 17-19

Tonton quiteria sp. n. Figures 11, 14

Types.

Holotype male and paratype female from Santa Quitéria do Maranhão (3°30'57"S, 42°32'49"W), Maranhão, Brazil, XII/1999, M. Mendonça leg., deposited in IBSP 198545 and 198546.

Other material examined.

BRAZIL. Maranhão: Santa Quitéria do Maranhão (3°29'49"S, 42°34'16"W), 1♂, XII.1999 (IBSP 198547); 1♂, XII.1999 (IBSP 198548); 1♂, XII.1999 (IBSP 198549); 1♂, XII.1999 (IBSP 198550; MEV); all collected by M. Mendonça.

Etymology.

The specific epithet is a noun taken in apposition and refers to the type locality.

Diagnosis.

Males of Tonton quiteria sp. n. resemble those of other species by the piriform palpal bulb, but differ by the embolus basis wide and tapering to the apex (Fig. 11C); they are close to those of T. ipiau sp. n. by the wide basis of embolus (Fig. 10C), differing by the embolus apex truncate with corrugations (Fig. 11D). Females differ from the other species by the spermathecae with short and thickened lobes (Fig. 11E).

Description.

Male (holotype). Coloration: Carapace in dorsal and ventral view, and legs yellowish, abdomen yellowish. Total length 2.26. Carapace 1.10 long, 0.82 wide. Abdomen 1.16 long. Fovea 0.12. Clypeus 0.04. Eyes: six, the lateral eyes are vestigial, AME absent, ALE 0.05, PME 0.05, PLE 0.04 (Fig. 11A). Labium 0.08 long, 0.18 wide. Sternum 0.54 wide, 0.70 long. Serrula with teeth clumped in series of the several rows. Palp: femur 0.62/ patella 0.30/ tibia 0.50/ tarsus 0.30/ total 1.72; Leg I: femur 0.85/ patella 0.46/ tibia 0.58/ metatarsus 0.46/ tarsus 0.45/ total 2.80; II: 0.76/ 0.39/ 0.52/ 0.39/ 0.38/ 2.44; III: 0.67/ 0.37/ 0.45/ 0.46/ 0.46/ 2.41; IV: 0.82/ 0.45/ 0.64/ 0.62/ 0.47/ 3.00; Leg formula 4123. Spination: palp tibia v2, tarsus d6ap; leg I patella p1, tibia v5-2ap, p2, metatarsus v2-2ap, p1; II patella v2, p1, tibia v3-3ap, p2, metatarsus v1-3ap, p2; III patella v1, p1, r1, tibia d4, v2-2ap, p2, r2, metatarsus d4, v2-3ap, p1, r1; IV patella v1, r1, tibia v3-3ap, p2, r1, metatarsus d3, v2-3ap, p2, r2. Tibia I with two apical ventral spines. Palpal tibia two or three times the size of cymbium, with the bulb resting in a ventral depression. Cymbium as long as wide with a short prolateral lobe, with six apical spines. Piriform palpal bulb, tegulum basis wide tapering to the embolus, embolus elongated with the same size of tegulum, with light medial curvature, apex of embolus truncate with three or four corrugated grooves (Fig. 11B-D, F). PLS basal, medial and apical segments 0.37, 0.26, 0.22 long.

Female (paratype). Coloration: Same as in male. Total length 2.76. Carapace 1.28 long, 0.96 wide. Abdomen 1.48 long. Fovea 0.16. Clypeus 0.04. Eyes: six, the lateral eyes are vestigial, AME absent, ALE 0.08, PME 0.06, PLE 0.07. Labium 0.10 long, 0.22 wide. Sternum 0.62 wide, 0.78 long. Serrula with teeth clumped in series of the several rows. Palp: femur 0.60/ patella 0.30/ tibia 0.26/ tarsus 0.32/ total 1.48; Leg I: femur 0.86/ patella 0.55/ tibia 0.55/ metatarsus 0.41/ tarsus 0.37/ total 2.74; II: 0.78/ 0.46/ 0.43/ 0.39/ 0.36/ 2.42; III: 0.68/ 0.34/ 0.39/ 0.37/ 0.39/ 2.17; IV: 0.81/ 0.43/ 0.59/ 0.52/ 0.49/ 2.84; Leg formula 4123. Spination: palp tibia v2-3ap, tarsus v4; leg I patella v2, p1, tibia v2-3ap, p2, metatarsus v2-2ap; II patella v1, tibia v2-2ap, p2, metatarsus v1-3ap, p2; III patella v1, p2, r1, tibia d2, v3-3ap, p2, r2, metatarsus d2, v2-3ap, p2, r2; IV patella r1, tibia v3-2ap, p2, r2, metatarsus d4, v3-3ap, p1, r2. Genitalia with two spermathecae, bilobed, sharing a basis slightly projected, internal lobe with duct short and thickened, longer than the external lobe, external lobe short and thickened, glands in both lobes, scattered irregularly (Fig. 11E). PLS: basal, medial and apical segments, 0.36, 0.24, 0.20 long.

Distribution.

Known only from the type locality, Santa Quitéria do Maranhão in the state of Maranhão (Fig. 13).