Quindina horologium Betancourt-Caicedo, Pinto-da-Rocha, and Cabra-García, 2024

Betancourt-Caicedo, Alejandro, Vásquez-Ordóñez, Aymer Andrés, Pinto-da-Rocha, Ricardo & Cabra-García, Jimmy, 2024, Two new species of the genus Quindina Roewer, 1914 (Opiliones: Nomoclastidae) from Colombia: phylogenetic relationships and notes on their nest architecture, Journal of Natural History 58 (41 - 44), pp. 1937-1959 : 1945-1949

publication ID	https://doi.org/ 10.1080/00222933.2024.2403562
DOI	https://doi.org/10.5281/zenodo.14261604
persistent identifier	https://treatment.plazi.org/id/CA622476-FF8C-FFA7-FF17-FB11ED95BFC3
treatment provided by	Plazi
scientific name	Quindina horologium Betancourt-Caicedo, Pinto-da-Rocha, and Cabra-García
status	sp. n.

Treatment

Quindina horologium Betancourt-Caicedo, Pinto-da-Rocha, and Cabra-García View in CoL sp. n.

( Figures 1 View Figure 1 , 3 View Figure 3 , 4 View Figure 4 , 10 View Figure 10 )

Etymology

The species name reflects the dorsal pattern of emerald-green patches, which resembles an hourglass.

Type material

Holotype ( MUSENUV-Ar-2229 ), adult male preserved in 95% ethanol: Colombia, Risaralda Department, Municipality of Santuario, Parque Municipal Planes de San Rafael (5.125°N, 76.002°W; 2107 m elevation), 12 February 2022, C. Valencia, G. Tezna, D. Corredor, J. Cabra-García leg. GoogleMaps Paratypes: 4 ♂ and 4 ♀ ( MUSENUV-Ar-2230-2237 ), 1 ♂ and 1 ♀ ( ICN-AO-1969- 1970 ), 1 ♂ and 1 ♀ ( MZSP-78901 ), same data as the holotype GoogleMaps .

Diagnosis

Ocularium with two tubercles near each eye. Hourglass-shaped dorsal emerald-green spot pattern, beginning as two stripes next to the ocularium and continuing to the posterior margin of area III ( Figure 1 View Figure 1 (G, J)). Lateral margins with eight tubercles, with a small light emerald-green patch near the posterior margin ( Figure 1 View Figure 1 (G, I, J, L)). Lateral regions of free tergites with a light emerald-green patch each ( Figure 1 View Figure 1 (G, J)). Distal metatarsus I slightly swollen in the male ( Figure 3 View Figure 3 (D)). Penis with VP trapezoidal, with microsetae type 3 distributed on the dorsolateral field, around the macrosetae, with two pairs of MS-E on its dorsolateral margin and stylus short ( Figure 4 View Figure 4 (D–F)).

Comparisons

Similar to Q. bella , Q. bimaculata , Q. discolor , Q. hermesi , Q. marginata , and Q. sanantonio sp. n. due to the lack of enlarged tubercles on the posterior lateral margins of dorsal scutum. It differs from the latter species by the presence of an hourglass-shaped pattern of emerald-green dorsal spots.

Description

Male holotype (MUSENUV-Ar-2229)

Measurements. CL: 1.43; CW: 2.6; DSL: 3.28; DSW: 2.95; Fe: 3.7, 8.9, 6.05, 8.6; Pa: 0.7, 1.35, 1.1, 1.35; Ti: 2.2, 6.15, 3.15, 4.75; Mt: 3.9, 10, 5.4, 8.6. Variation in male measurements: Table 4 View Table 4 .

Colour in ethanol. ( Figure 1 View Figure 1 (G)–I) Dorsal scutum brown on orange-yellow background. For the description of the distribution of emerald-green patches on the dorsal scutum, see the species diagnosis. Chelicerae, pedipalps and trochanters I–IV reticulated brownish black on pale yellow background.

Dorsum. ( Figures 1 View Figure 1 (G), 3(A)) Dorsal scutum β type, anterior margin with one tubercle on each half. Ocularium with median depression, with two tubercles near each eye, one on the anterior margin and the other on the median portion. Prosoma nearly smooth. Lateral margins of dorsal scutum with one row of tubercles (8) from the middle of coxa II to the posterior region of Area III. Sulci of dorsal scutum well marked. Area I divided, with 1–2 large tubercles on each half. Area II with one large tubercle on each half. Area III with one pair of high and sharp spines with smooth base, and with one tubercle on each half. Area IV divided, with one tubercle on each half. Posterior margin of dorsal scutum smooth.

Venter. Cx I–III with a row of prominent tubercles (8–11), Cx IV with several small scattered tubercles.

Chelicerae. ( Figure 3 View Figure 3 (E)) Basal segment with three ventral tubercles and four small setiferous dorsal tubercles on bulla. Movable finger with three teeth, the distal one being a bit smaller; fixed finger with four teeth, the first basal smaller than the rest.

Pedipalps. ( Figure 3 View Figure 3 (C)) Cx with one large ventral tubercle, Tr with two ventral tubercles, smooth dorsally; Fe with one mesal subapical setiferous tubercle; Ti mesal IiiIi, ectal iIIi; Ta mesal ectal IiIi.

Legs. Cx I with one anterior and one posterior tubercle, II–III with one anterior tubercle, IV with one dorsoapical tubercle and a few small setiferous tubercles laterally. Tr I–IV with a few scattered granules. Fe III–IV with one long, spiniform retrodorsal tubercle. Distal region of metatarsus I ( Figure 3 View Figure 3 (D)) and median region metatarsus II swollen. Tarsal formula: 7 (3), 24(3), 9, 11.

Penis. ( Figure 4 View Figure 4 (D–F)) VP trapezoidal, lateral margin with a basal constriction, distal half curved, distal margin truncated. Microsetae type 3 distributed on the dorsolateral field of VP, around the macrosetae, without reaching the distal corner and without joining in the middle of VP. Three pairs of spatulated and apically curved MS C. One pair of spatulated MS A directed towards truncus. One pair of short and conical MS D at the base of VP. Two pairs of MS E on the dorsolateral margin of VP. Glans wide, with one short and conical MS on lateral basal half. Stylus short (its length less than twice stylus width), wide apically.

Nest characteristics. Only one nest was found during the sampling. The nest had a male on top of it and was built ca. 2.2 m above the ground level near the apex of the underside of a leaf ( Figure 10 View Figure 10 (F)). The nest had an irregular shape, and it was a flattened structure adhered directly to the substrate, without walls. The nest was made of vegetative debris and mud.

Female paratype (MUSENUV-Ar-2230)

Measurements. CL: 1.38; CW: 2.93; DSL: 3.8; DSW: 3.55; Fe: 3.55, 8.6, 6.1, 8.5; Pa: 0.7, 1.35, 1.15, 1.25; Ti: 1.95, 6, 3, 4.55 Mt: 3.4, 8.75, 7.5, 8.15. Variation in female measurements: Table 2 View Table 2 . Female morphology very similar to male, with a few differences: chelicerae slightly smaller and lighter in colour ( Figure 1 View Figure 1 ).

Distribution. Recorded in the Colombian department of Risaralda. The locality Parque Municipal Planes de San Rafael constitutes an Andean cloud forest ( Isaacs-Cubides et al. 2021), located in the municipality of Santuario.