Eucteniza ronnewtoni
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Ordo: Araneae
Familia: Euctenizidae
Genus: Eucteniza
Name
Eucteniza ronnewtoni Bond & Godwin, 2013 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Type material
Male holotype (EU015), from Val Verde County, Texas, on rocks at bridge on Pecos River, 29.7079, -101.3514, 396m, coll. J.A. Brubaker, F.J. Moore 2.ix.1968. Male holotype deposited in AMNH. Male paratype (EU080), from Sandy Canyon, 18 rd mi NE of Sauceda, 29.5550, -103.79331, 1212m, coll. N.I. Platnick 4.x.2005. Male paratype deposited in AMNH.
Etymology
The specific epithet is a patronym in honor of Dr. Ronald Newton, biologist and Texas native.
Diagnosis
Male Eucteniza ronnewtoni specimens are similar in appearance to Eucteniza relata but have a more slender tibia I that has only a few small spines on the prolateral surface none of which are positioned distally (Figs 59, 60, 63).
Description of male holotype
Specimen preparation and condition. Specimen preserved in 70% EtOH. Multiple legs removed, stored in vial with specimen. Color faded. General coloration. Carapace dark reddish brown 2.5YR 2.5/4. Abdomen very dark red 2.5YR 2.5/2. Cephalothorax. Carapace 5.44 long, 4.56 wide, glabrous, pars cephalica moderately elevated (Fig. 58). Fringe on posterior margin of light, black setae. Foveal groove deep, procurved. Tubercle absent. AER straight. PER slightly recurved. AME slightly larger in diameter than PME. Sternum lightly setose, STRl 3.41, STRw 2.91. Posterior sternal sigilla very large, not quite contiguous, medial anterior sigilla pair moderate in size, offset from margin, anterior pair not visible. Chelicerae with anterior tooth row comprising 5 large teeth, posterior margin with single row of 4 small teeth. Palpal endites with numerous cuspules across endite face, labium with 15 small cuspules, LBw 1.13, LBl 0.84. Rastellum consists of 8 small spines. Abdomen. Moderately setose. Legs. Leg I: 5.31, 2.40, 3.88, 3.68, 2.28; leg IV: 5.00, 1.88, 2.50, 3.28, 2.81. Light scopulae on legs I-IV. Tarsus I with wide band of 12 trichobothria. Leg I spination pattern; TSp 4, TSr 0, TSrd 0 (Figs 59, 60, 63); Leg II spination Fig. 61. Pedipalp. PTw 1.31, PTl 2.94, Bl 1.58 (Fig. 62). Embolus arises sharply from bulb and tapers quickly, slightly flared at tip.
Variation
Known only from the type specimens.
Description of female
Known only from the male type specimens.
Distribution
Known from the type locality, Pecos River, Val Verde Co., Texas (Fig. 1).
Original Description
- Bond, J; Godwin, R; 2013: Taxonomic revision of the Trapdoor spider genus Eucteniza Ausserer (Araneae, Mygalomorphae, Euctenizidae) ZooKeys, 356: 31-67. doi
Images
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![Figures 58–63. Eucteniza ronnewtoni sp. n. from Val Verde County, Texas, male holotype 58 habitus [832090] 59 retrolateral aspect, leg I [832020] 60 prolateral aspect, leg I [832016] 61 retrolateral aspect, leg II [832022] 62 retrolateral aspect, pedipalp [832024] 63 line drawings, leg I retrolateral and prolateral (tibia) aspects.](/wiki/File:ZooKeys-356-031-g013.jpg)
