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OONOPIDAE SPECIES DESCRIPTION
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Guaraguaoonops hemhem       Get publication



            Male (PBI_OON_11044). CEPHALOTHORAX: Carapace orange, without any pattern, broadly oval 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, anterolateral corners without extension or projections, 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, 8-10 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 absent. Chilum undivided, striated, without hairs. Eyes six, well developed, pME-PLE in a row with ALE advanced, ALE largest, ALE oval, PME circular, 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, anterior corner unmodified, 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, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified, distal frontal area presenting a pair of sensilla and enlarged laminar process with conic apex; without teeth on both promargin and retromargin; fangs without tooth-like projections, 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, same as sternum in sclerotization; 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, same as sternum in sclerotization. ABDOMEN: cylindrical, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions dorsum black with sparsse white chevrons in fine lines. 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 tarsus with conspicuous onychium. Leg spines absent. Tarsi I to IV superior claws tooth examined in detail; tarsal proclaws and retroclaws inner face striate; 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, no trichobothia on tarsus. Tarsal organ tarsal organ absent. GENITALIA: Epigastric region with sperm pore not visible; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus light, prolateral excavation absent, elongates, enlarged at basis and alender at ti, with two projections, a short and a long where is located the spermatic opening.; trochanter normal size, unmodified; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally, presenting a long ventral hair; patella shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 2 trichobothria; cymbium pale orange, ovoid in dorsal view, not fused with bulb, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae, tarsal organ absent; bulb yellow, 1 to 1.5 times as long as cymbium, stout, distal part presenting a large and basal conical projection.

            Female (PBI_OON_11045). As in male except as noted. CEPHALOTHORAX: Carapace marginal setae 8-10 lateral setae with large and elongated basis. Clypeus setae striated, not divided. Chilum striated, without hairs. Eyes pME-PLE in a row with ALE advanced. Sternum posterior margin subtriangular and truncated. Labium with three median setae. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges, tarsi haired, with long hairs. ABDOMEN: dorsum soft portions dorsum white with black chevrons in fine lines. Ventrally white.. LEGS: tarsi tarsus with conspicuous onychium. Leg spines absent. Tarsi I to IV superior claws tooth examined in detail. Trichobothria examined with SEM; no trichobothia on tarsus. Tarsal organ tarsal organ absent. GENITALIA: Ventral view: with short and sclerotized area in the anterior plate. Posterior plate without sclerotized plate.. Dorsal view: internally with anterior seminal receptaculum oval, presenting a narrow and curved at middle basal plate; sclerotized and straight apodema plate, with median short projection; posterior seminal receptaculum globose, four times bigger than anterior seminal receptaculum..
 

DISTRIBUTION


Unknown.
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MATERIAL EXAMINED

None.


 
 
 
 
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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This material is based upon work supported by the National Science Foundation under Grant No. DEB 0613754. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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