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(Female redundant descriptions removed)
Guaraguaoonops humbom       Get publication

            Female (PBI_OON_11042). CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica flat in lateral view, anteriorly narrowed to between 0.5 and 0.75 times its maximum width, with rounded posterolateral corners, posterolateral edge without pits, posterior margin not bulging below posterior rim, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides smooth, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, smooth, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae absent; non-marginal pars thoracica setae absent; marginal setae light, needle-like, 810 lateral setae with large and elongated basis. Clypeus margin unmodified, curved downwards in front view, sloping forward in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, light, needle-like, striated, not divided. Chilum undivided, straited, without hairs. Eyes six, well developed, pME-PLE in a row with ALE advanced, PME largest, ALE circular, PME oval, PLE circular; posterior eye row straight from both above and front; ALE touching, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, not fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture absent, sickle-shaped structures absent, anterior margin unmodified, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles present, lateral margins with rounded extensions between coxae, without posterior hump, posterior margin subtriangular and truncated; setae sparse, light, needle-like, evenly scattered, originating from small pits. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; without teeth on both promargin and retromargin; fangs directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered; paturon inner margin with short inter-digitating setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, not fused to sternum, anterior margin not indented at middle; with 3-5 setae on anterior margin, subdistal portion with unmodified setae, with three median setae. Endites distally not excavated, serrula absent, anteromedian tip unmodified, posteromedian part unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: cylindrical, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions white, without color pattern, dorsully and ventrally without pattern. Book lung covers small, round, without setae, anterolateral edge unmodified. Posterior spiracles not connected by groove. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum absent, but abdomen not extending anterior of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum absent. Epigastric scutum absent. Postepigastric scutum absent. Spinneret scutum absent. Dorsum setae absent. Epigastric area setae uniform, light, needle-like. Postepigastric area setae absent. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. Colulus absent. LEGS: pale orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I near as long as carapace, tibia I unmodified, tibia I Emeritís glands absent, tibia IV specialized hairs on ventral apex absent, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent, tarsi onychium conspicuous present. Leg spines absent. Tarsi I to IV superior claws tooth examined in detail; tarsal proclaws inner face striate, retroclaws inner face smooth; tarsus I superior claws with six teeth on lateral surface of proclaw, six teeth on median surface of proclaw, six teeth on lateral surface of retroclaw, six teeth on median surface of retroclaw; tarsus II superior claws with six teeth on lateral surface of proclaw, six teeth on median surface of proclaw, six teeth on lateral surface of retroclaw, six teeth on median surface of retroclaw; tarsus III superior claws with six teeth on lateral surface of proclaw, six teeth on median surface of proclaw, six teeth on lateral surface of retroclaw; tarsus IV superior claws with six teeth on lateral surface of proclaw, six teeth on median surface of proclaw, six teeth on lateral surface of retroclaw, six teeth on median surface of retroclaw. Tarsi I to IV without inferior claw. Trichobothria examined with SEM; tibia: each with one; metatarsus: each with two; base longitudinally narrowed, aperture internal texture not grate-like, hood smooth. Tarsal organ tarsal organ not present. GENITALIA: Ventral view: with short and sclerotized area in the anterior plate. Posterior plate with elongated and narrow sclerotized plate.. Dorsal view: internally with anterior seminal receptaculum oval, presenting the middle basal plate enlarged medianly; sclerotized apodema plate, enlarged in the curved lateral area, with median short projection; posterior seminal receptaculum globose, two times bigger than anterior seminal receptaculum..


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The American Museum of Natural History, New York, in collaboration with
The California Academy of Sciences, San Francisco   The University of California, Berkeley
The Field Museum of Natural History, Chicago   George Washington University, Washington DC
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