Eucteniza chichimeca, Bond, Jason E. & Godwin, Rebecca L., 2013

Bond, Jason E. & Godwin, Rebecca L., 2013, Taxonomic revision of the Trapdoor spider genus Eucteniza Ausserer (Araneae, Mygalomorphae, Euctenizidae), ZooKeys 356, pp. 31-67 : 53-55

Eucteniza chichimeca sp. n. 'The Chichimeca Jonaz Trapdoor Spider’Figs 1, 53-57

Type material.

Male holotype (EU010), from Querétaro, Mexico, 20km N Pinal de Amoles, 21.15, -99.65 6, 2227m, coll. W. Russell, J. Greer 5-6.vi.1971. Male holotype deposited in AMNH.

Etymology.

The specific epithet is a noun taken in apposition and refers to one of the groups of people that are indigenous to the area around the type locality, the Chichimeca Jonaz.

Diagnosis.

Male Eucteniza chichimeca specimens can be distinguished from all other Eucteniza species by virtue of having a tibia I that is swollen distal-dorsally and with numerous small prolateral spines (Figs 53, 54, 57).

Description of male holotype.

Specimen preparation and condition. Specimen preserved in 70% EtOH. Pedipalp, legs I, II removed, stored in vial with specimen. Color faded. General coloration. Carapace dark reddish brown 2.5YR 2.5/3. Abdomen black 5YR 2.5/1. Cephalothorax. Carapace 5.88 long, 4.88 wide, glabrous, without fringe, pars cephalica moderately elevated. Foveal groove procurved. AER straight. PER very slightly recurved. AME and PME subequal. Sternum lightly setose, STRl 3.25, STRw 2.66. Chelicerae with anterior tooth row comprising 7 teeth, posterior margin with patch of approximately 10 small denticles. Palpal endites and labium without cuspules, LBw 1.13, LBl 0.69. Rastellum consists of 6 spines. Abdomen. Lightly setose. Legs. Leg I: 5.10, 3.00, 3.90, 3.30, 2.35; leg IV: 5.10, 2.00, 4.00, 4.00, 2.60. Scopulae present on legs I, II, lighter on legs III, IV. Leg I spination; TSp>30, TSr 0, TSrd 0 (Figs 53, 54, 57); Leg II spination Fig. 55. Pedipalp. PTw 1.28, PTl 3.16, Bl 1.31 (Fig. 56).

Variation.

Known only from the type specimen.

Description of female.

Known only from the male holotype specimen.

Distribution.

Known from the type locality, Querretara, Mexico (Fig. 1).