Taxonomic revision of the Trapdoor spider genus Eucteniza Ausserer (Araneae, Mygalomorphae, Euctenizidae) Author Bond, Jason E. Author Godwin, Rebecca L. text ZooKeys 2013 356 31 67 http://dx.doi.org/10.3897/zookeys.356.6227 journal article http://dx.doi.org/10.3897/zookeys.356.6227 1313-2970-356-31 B4D5954D80844D718EC008C94A59462B B4D5954D80844D718EC008C94A59462B Eucteniza chichimeca sp. n. 'The Chichimeca Jonaz Trapdoor Spider'Figs 1, 53-57 Type material. Male holotype (EU010), from Queretaro , 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). Figures 53-57. Eucteniza chichimeca sp. n. from Queretaro , Mexico, male holotype 53 retrolateral aspect, leg I [832000] 54 prolateral aspect, leg I [831996] 55 retrolateral aspect, leg II [832002] 56 retrolateral aspect, pedipalp [832004] 57 line drawings, leg I retrolateral and prolateral (tibia) aspects. 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).