Ummidia tibacuy, 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 tibacuy sp. nov. Fig. 67 , Map 6

Type material.

HOLOTYPE: 1 ♀ (ICV-Av-1151) form the Reserva Qauinini Via a Nilo, Tibacuy, Cundinamarca, Colombia, 4.3283 -74.5081 5, 1603 m a.s.l. coll. Catalina July 2018, NUCMNH.

Etymology.

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

Diagnosis.

Ummidia tibacuy females can be differentiated from all geographically proximate species by the presence of a comb of alternating long and short hairs on the retrolateral face of tarsus IV and by having spermathecae bend medially and then anteriorly with the bulbs coiled back onto the stalks, bulbs facing anteriorly. They can be further differentiated by the legs having a striped appearance due to the lightening of the leg articles near the joints and the tarsi being very light in color and by the carapace being wider than long and rounded.

Description of female holotype.

Specimen preparation and condition. Specimen preserved in 80% EtOH. Spermathecae removed, cleared, in vial with specimen. Left leg I removed, in vial with specimen General coloration. Carapace, chelicerae, and legs reddish black 2.5YR 2.5/1, tarsi brownish yellow 10YR 6/6. Abdomen black 7.5YR 2.5/1, spinnerets brownish yellow 10YR 6/6. Cephalothorax. Carapace 4.42 long, 4.56 wide. Pars cephalica 3.21 long. Foveal groove procurved, 0.24 long, 0.62 wide. Eye tubercle moderate. AER procurved. PER slightly procurved. Eye group 0.68 long, 1.1 wide, AME 0.27, PME 0.22, ALE 0.3, PLE 0.3. Sternum sparsely setose, thicker at edges, STRl 2.78, STRw 2.71. Chelicerae with anterior row comprising four teeth, posterior margin with six teeth. Palpal endites with 38 large cuspules across proximal 2/3 and 15 smaller cuspules distally, ENDw 1.09, ENDl 1.75. Labium with 13 large cuspules, LBw 0.95, LBl 0.75. Rastellum with rounded spines concentrated on distal/medial margins of process, otherwise with very long hairs. Abdomen. Evenly setose, hairs longer dorsally. Legs. F1 3.06; F1w 1.08; P1 1.81; Ti1 1.69; Mt1 1.17; Tr1 0.76; F3 2.58; F3w 1.32; P3 1.57; Ti3 1.36, Sd3 0.95; Mt3 1.05; Tr3 1.01; F4 3.08; F4w 1.36; P4 1.86; Ti4 1.6; Mt4 1.48; Tr4 0.85. Retrolateral face tarsus IV with defined comb of alternating long and short spinules. Pedipalps. PF 2.94, PP 1.26, PTi 0.5, PTr 0.11. Spermathecae with medial bend, bulbs facing anteriorly.

Variation, females.

Known only from female holotype.

Males.

Unknown.

Figures

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

Figure 67. Ummidia tibacuy sp. nov. female holotype (AV 1151) from Tibacuy, Colombia A female habitus illustration B cleared spermathecae. Scale bars: 4.0 mm (A), 1.0 mm (B).