Ummidia yojoa, Godwin & Bond, 2021

Godwin, Rebecca L. & Bond, Jason E., 2021, Taxonomic revision of the New World members of the trapdoor spider genus Ummidia Thorell (Araneae, Mygalomorphae, Halonoproctidae), ZooKeys 1027, pp. 1-165 : 1

Ummidia yojoa sp. nov. Fig. 53 , Map 5

Type material.

HOLOTYPE: 1 ♂ (UMM186) from Agua Azul, Lake Yojoa, Dept. of Cortés, Honduras, 14.8715 -87.9821 6, 639 m a.s.l., 30.v.1964, coll. RE Woodruff, AMNH.

Etymology.

The specific epithet is a noun taken in apposition and is in reference to the type locality, Lake Yojoa.

Diagnosis.

Ummidia yojoa males are relatively stocky spiders and can be differentiated from all geographically proximate species by the presences of a soft brush on the retrolateral face of tarsus IV and from all except U. zebrina and U. varablanca by lacking prolateral spines and having very few retrolateral spines (3 vs 10-44) on tibia I. Males can be further distinguished from U. zilchi , U. carlosviquezi , U. varablanca , and U. quepoa by possessing a sinuous embolus, rather than one with an even single curve and from U. riverai and U. rugosa by lacking a pale dorsal heart patch.

Description of male holotype.

Specimen preparation and condition. Specimen preserved in 80% EtOH. Left palp and leg I removed, in vial with specimen. General coloration. Carapace and chelicerae reddish black 2.5YR 2.5/1, legs dark reddish brown 5YR 2.5/3. Abdomen very dark gray 5YR 3/1. Cephalothorax. Carapace 4.71 long, 4.51 wide. Pars cephalica 3.31 long. Foveal groove procurved, 0.46 long, 1.03 wide. Tubercle relatively low. AER procurved. PER straight. Eye group 0.64 long, 1.36 wide, AME 0.31, PME 0.17, ALE 0.37, PLE 0.25. Sternum with posterior fringe, sparsely setose anteriorly, STRl 3.03, STRw 2.7. Chelicerae with anterior tooth row comprising four teeth, posterior margin with seven teeth. Palpal endites with 13 cuspules spread over proximal half of endite face, lacking distal endite cuspules, ENDw 1.05, ENDl 1.93. Labium with two cuspules, LBw 0.86, LBl 0.74. Rastellum with many spines on rastellar process. Abdomen setose. Legs. F1 3.66; F1w 1.15; P1 1.96; Ti1 2.4; Mt1 1.57; Tr1 1.02; F3 2.95; F3w 1.44; P3 1.49; Ti3 1.51; Sd3 1.05; Mt3 1.49; Tr3 1.45; F4 3.84; F4w 1.35; P4 1.74; Ti4 2.39; Mt4 2.37; Tr4 1.41. Retrolateral face of tarsus IV without brush or comb. Leg I spination pattern: TSp 0, TSpv 0, TSrd 0, TSr 0, TSrv 3, MtSp 1, MtSr 2, TrSp 1, TrSr 6. Pedipalps. PTl 2.09, PTw 0.89, Bl 1.84. Embolus of moderate length, sinuous.

Variation, males.

Known only from male type specimen.

Females.

Unknown.

Figures

Map 5. Locality records for southern Mexico and Central American species.

Figure 53. Ummidia yojoa sp. nov. male holotype (UMM 186) from Dept. of Cortes, Honduras A prolateral aspect, leg I B retrolateral aspect, leg I C line drawings, leg I prolateral and retrolateral aspects D retrolateral aspect, pedipalp E habitus illustration. Scale bars: 1.0 mm (A-B), 4.0 mm (E).