Ummidia neblina, 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 neblina sp. nov. Fig. 70 , Map 6

Type material.

HOLOTYPE: 1 ♀ (UMM141, AMNH) from Neblina Base Camp, Amazonas, Venezuela, 1.2395 -65.6675 6, 547 m a.s.l., coll. R Stupakoff 24.ii.1984.

Etymology.

The specific epithet is a noun taken in apposition and is in reference to the type locality, Neblina Base Camp.

Diagnosis.

Ummidia neblina females can be differentiated from all geographically proximate species by the following combination of characters: retrolateral face of tarsus IV with a comb of alternating long and short spinules, tarsi light in color, and spermathecal stalks straight and medially tilted with wide bulbs.

Description of female holotype.

Specimen preparation and condition. Specimen preserved in 80% EtOH. Spermathecae removed, cleared, in vial with specimen. Many limbs removed all in vial with specimen. General coloration. Carapace, chelicerae, and legs very dark brown 10YR 2/2, Tr IV brownish yellow 10YR 6/8. Abdomen black 10YR 2/1, spinnerets yellowish brown 10YR 5/6. Cephalothorax. Carapace 4.74 long, 4.84 wide. Pars cephalica 3.43 long. Foveal groove procurved, 0.36 long, 0.99 wide. All eyes on moderate tubercle. AER procurved. PER procurved. Eye group 0.78 long, 1.2 wide, AME 0.27, PME 0.27, ALE 0.45, PLE 0.27. Sternum sparsely setose, STRl 2.91, STRw 2.95. Chelicerae with anterior row comprising five teeth, posterior margin with six teeth. Palpal endites with 38 large cuspules across proximal 4/5 of endite face and 35 smaller cuspules distally, ENDw 1.15, ENDl 1.98. Labium with 13 large cuspules, LBw 1.08, LBl 0.82. Rastellum reduced, large rounded spines medially and along margin with smaller spines above. Abdomen. Evenly setose with pale speckles. Legs. F1 3.39; F1w 1.26; P1 2.12; Ti1 1.99; Mt1 1.21; Tr1 0.86; F3 2.88; F3w 1.45; P3 1.78; Ti3 1.6, Sd3 1.13; Mt3 1.14; Tr3 1.1; F4 3.55; F4w 1.48; P4 1.96; Ti4 1.93; Mt4 1.69; Tr4 0.92. Retrolateral face tarsus IV with comb of alternating long and short spinules. Pedipalps. PF 3.03, PP 1.7, PTi 1.93, PTr 1.86. Spermathecae simple, tilted medially, bulbs facing anteriorly.

Variation, females.

Known only from female holotype.

Males.

Unknown.

Figures

Map 6. Locality records for South American and Caribbean species.

Figure 70. Ummidia neblina sp. nov. from Amazonas, Venezuela. Female holotype (UMM 141) A female habitus illustration B cleared spermathecae. Scale bars: 4.0 mm (A), 1.0 mm (B).