Giloloa sofifi Huber, 2019

Huber, Bernhard A. & Carvalho, Leonardo S., 2019, Filling the gaps: descriptions of unnamed species included in the latest molecular phylogeny of Pholcidae (Araneae), Zootaxa 4546 (1), pp. 1-96 : 68-71

Giloloa sofifi Huber sp. n.

Figs 264 , 272–274

Gen.n. Ind206: Eberle et al. 2018 (molecular data); Huber et al. 2018: fig. 7.

Type material. INDONESIA: ♂ holotype, ZFMK ( Ar 20648), Halmahera, degraded forest along river near Sofifi (0.715°N, 127.586°E), 130–180 m a.s.l., 11.xi.2009 (S. Sutono), originally in pure ethanol, later transferred to 80% ethanol .

Other material examined. None

Etymology. The species name is derived from the type locality; noun in apposition.

Diagnosis. Morphologically, the genus/species differs from most other known Pholcidae by shape of abdomen in dorsal view ( Fig. 264 ; wide and obtuse posteriorly, similar only in Kairona gen. n. and in some species of Metagonia Simon, 1893 ). Male pedipalp similar to some species of Belisana Thorell, 1898 (e.g., B. fiji Huber, 2005 , figs 626–627 in Huber 2005a), but with distinctive retrolateral process on procursus ( Fig. 273 ). Live specimens are apparently unique among Pholcidae by their pale orange ocular area ( Fig. 264 ).

Description. Male (holotype). MEASUREMENTS. Total length 1.35, carapace width 0.50. Distance PME-PME 130 µm; diameter PME 60 µm; distance PME-ALE 10 µm; AME absent. Leg 1: 9.5 (2.4 + 0.2 + 2.4 + 3.6 + 0.9), tibia 2: 1.4, tibia 3: 0.8, tibia 4: 1.5; tibia 1 L/d: 48.

COLOR (in ethanol). Prosoma and legs pale whitish except for orange band between eye triads. Abdomen pale ochre-yellow with some indistinct darker marks dorsally.

BODY. Habitus as in Fig. 264 . Ocular area not elevated. Thoracic furrow absent. Clypeus unmodified. Sternum wider than long (0.28/0.24), unmodified. Abdomen distinctively angular in dorsal view.

CHELICERAE. As in Fig. 274 , with pair of simple pointed apophyses distally and pair of transparent processes proximally.

PALPS. As in Figs 272–273 ; coxa unmodified, trochanter with ventral apophysis, femur moderately widened, larger than tibia; procursus slender, with distinctive retrolateral process and sclerotized and membranous distal elements; bulb with cylindrical embolus, without further process.

LEGS. Without spines and curved hairs, few vertical hairs; retrolateral trichobothrium of tibia 1 at 3.5%; tibia 1 without prolateral trichobothrium; tarsus 1 pseudosegments not seen.

Female. Unknown

Distribution. Known from type locality only ( Fig. 349 ).

Natural history. The male was collected from the underside of a green leaf in a degraded forest ( Fig. 341 ).

Figures

FIGURE 349. Collecting sites of newly described species of Aetana in eastern Indonesia and of Giloloa sofifi sp. n. on Halmahera. Red mark: two undescribed species deposited in Bernice P. Bishop Museum, Honolulu, Hawaii.

FIGURES 264–271. Giloloa sofifi sp. n. and Aetana spp. live specimens. 264. Giloloa sofifi sp. n., male from near Sofifi. 265–266. Aetana ternate sp. n., male and female from Ternate. 267–269. Aetana mokwam sp. n., male and female from Mokwam. 270–271. Aetana ondawamei sp. n., male and female with egg sac from Gunung Meja.

FIGURES 272–274. Giloloa sofifi sp. n. (ZFMK, Ar 20648), left male palp, prolateral and retrolateral views, and male chelicerae, frontal view; asterisk: distinctive retrolateral process on procursus. em, embolus; gb, genital bulb; pr, procursus. Scale lines: 0.1.

FIGURES 336–341. Selection of collecting sites and habitats. 336. Forest above Mokwam (West Papua), type locality of Arnapa arfak sp. n. and Aetana mokwam sp. n. 337. Tinoor Fall near Tomohon (North Sulawesi), type locality of Arnapa tinoor sp. n. 338. Entrance to Caverna Porco do Mato II (Rio Grande do Norte), type locality of Pinocchio barauna sp. n. 339. Desert between Sur and Kamil (Oman), type locality of Magana velox sp. n. 340. Bromeliad at Reserva Particular do Patrimônio Nacional Serra Bonita (Bahia), type locality of Psilochorus bromelicolus sp. n. (note pair of spiders among leaves). 341. Disturbed forest near Sofifi (Halmahera), type locality of Giloloa sofifi sp. n. and Panjange togutil sp. n.