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OONOPIDAE SPECIES DESCRIPTION
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Varioonops poas       Get publication



            Male (PBI_OON 31082). Total length 2.05. CEPHALOTHORAX: Carapace orange-brown, without any pattern, broadly oval in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, 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 granulate, sides granulate, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin undulate, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae needle-like, present, scattered; non-marginal pars thoracica setae needle-like; marginal setae needle-like. Clypeus margin strongly rebordered, curved downwards in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, needle-like. Chilum absent. Eyes six, well developed, all subequal, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, procurved from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching throughout most of their length, PLE-PME separated by PME radius to PME diameter. Sternum longer than wide, pale orange, uniform, not fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow smooth, radial furrow opposite coxae III absent, without pits, microsculpture medially and in furrows, sickle-shaped structures absent, anterior margin unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump, lateral margin grooves not examined Sternum surface evenly granulated; setae sparse, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae slightly divergent, anterior face unmodified; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae needle-like, evenly scattered; paturon inner margin with pairs of enlarged setae, distal region abruptly narrowed, posterior surface unmodified, inner margin unmodified, laminate groove absent. Labium rectangular, 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. Endites distally not excavated, same as sternum in sclerotization, endites posteromedian with broad triangular projection. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions pale yellow-purple ground color with wide dark purple netlike pattern, cardiac mark pale, posteriorly with two posteriad pale lines (coloration pattern not really good visible). Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, ribbed, scuto-pedicel region unmodified, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum weakly sclerotized, pale orange, without color pattern, covering 1/2 to 3/4 of abdomen, more than 1/2 to most of abdomen width, not fused to epigastric scutum, middle surface finely reticulate, sides finely reticulate, anterior half without projecting denticles, posterior margin almost straight. Epigastric scutum weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, pale orange, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes, postepigastric scutum posterior margin moderately concave. Spinneret scutum present, incomplete ring, divided into two plates. Dorsum setae present, needle-like. Epigastric area setae uniform, needle-like. Postepigastric area setae present, needle-like. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus present, small plate with two setae. Spinnerets: ALS: not examined; PMS: not examined; PLS: not examined. LEGS: pale orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I shorter than carapace, tibia I unmodified, 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, tibiae emerit's glands not examined. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-1-1; II p0-0-1; tibiae: I p1-1-0; v4-2-2; r1-0-0; II p0-1-0; v4-2-1p; metatarsi: I, II p1-0-0; v2-2-2. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria not examined. GENITALIA: Epigastric region with sperm pore small, oval, situated at level of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, prolateral excavation absent, tube-shaped, elongated, smooth (distally with some short longitudinally scattered ribs), curved ventroprolaterad; tip with oval opening, margin moderately rebordered, distally elongated, subrectangular plate; trochanter normal size, unmodified; femur normal size, one to two times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally; patella shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 3 trichobothria; cymbium pale orange, narrow 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, cymbial cone narrow, elongated, originating from pit, tarsal organ 2 sensilla; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically, distal part conductor basally broad, lamelliform, enlarged, distally divided into broad, flat hook, pointing posteriad, and backwards- pointed spur-shaped, furrowed projection.
Varioonops poas, male abdomen, anterior view (image by AO, specimen ID: ---31082)

variopoas9mpabda31082AO.tif

Varioonops poas, male abdomen, dorsal view (image by AO, specimen ID: ---31082)

variopoas9mpabdd31082AO.tif

Varioonops poas, male abdomen, lateral view (image by AO, specimen ID: ---31082)

variopoas9mpabdl31082AO.tif

Varioonops poas, male abdomen, ventral view (image by AO, specimen ID: ---31082)

variopoas9mpabdv31082AO.tif

Varioonops poas, male carapace, anterior view (image by AO, specimen ID: ---31082)

variopoas9mpcara31082AO.tif

Varioonops poas, male carapace, dorsal view (image by AO, specimen ID: ---31082)

variopoas9mpcard31082AO.tif

Varioonops poas, male carapace, lateral view (image by AO, specimen ID: ---31082)

variopoas9mpcarl31082AO.tif

Varioonops poas, male endites, ventral view (image by AO, specimen ID: ---31082)

variopoas9mpendv31082AO.tif

Varioonops poas, male palp, dorsal view (image by AO, specimen ID: ---31082)

variopoas9mppald31082AO.tif

Varioonops poas, male palp, prolateral view (image by AO, specimen ID: ---31082)

variopoas9mppalp31082AO.tif

Varioonops poas, male palp, retrolateral view (image by AO, specimen ID: ---31082)

variopoas9mppalr31082AO.tif

Varioonops poas, male sternum, ventral view (image by AO, specimen ID: ---31082)

variopoas9mpstev31082AO.tif

Varioonops poas, male bulb, dorsal view (image by AO, specimen ID: ---31082)

variopoas9msbuld31082AO.tif

Varioonops poas, male bulb, prolateral view (image by AO, specimen ID: ---31082)

variopoas9msbulp31082AO.tif

Varioonops poas, male bulb, retrolateral view (image by AO, specimen ID: ---31082)

variopoas9msbulr31082AO.tif

Varioonops poas, male embolus, dorsal view (image by AO, specimen ID: ---31082)

variopoas9msembd31082AO.tif

Varioonops poas, male embolus, prolateral view (image by AO, specimen ID: ---31082)

variopoas9msembp31082AO.tif

Varioonops poas, male embolus, retrolateral view (image by AO, specimen ID: ---31082)

variopoas9msembr31082AO.tif

Varioonops poas, male embolus opening, dorsal view (image by AO, specimen ID: ---31082)

variopoas9msemod31082AO.tif

Varioonops poas, male embolus opening, retrolateral view (image by AO, specimen ID: ---31082)

variopoas9msemor31082AO.tif

Varioonops poas, male palp, dorsal view (image by AO, specimen ID: ---31082)

variopoas9mspald31082AO.tif

Varioonops poas, male palp, prolateral view (image by AO, specimen ID: ---31082)

variopoas9mspalp31082AO.tif

Varioonops poas, male palp, retrolateral view (image by AO, specimen ID: ---31082)

variopoas9mspalr31082AO.tif

Varioonops poas, male tarsal organ, palp, dorsal view (image by AO, specimen ID: ---31082)

variopoas9mstopd31082AO.tif


            Female (PBI_OON 31043). Total length 1.80. As in male except as noted. CEPHALOTHORAX: Carapace indistinct darkened radial stripes present. Eyes all eyes circular. Sternum lateral margin grooves not examined Sternum surface loosely and coarsely granulated. Labium anterior margin indented at middle. Endites anteromedian tip unmodified, posteromedian part unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: dorsum soft portions gray-purple ground color with wide dark purple netlike pattern and lateral stripes, cardiac mark pale. Book lung covers posterior spiracles connected by posterior rim of postepigastric scutum. Pedicel scutum not extending far dorsal of pedicel. Dorsal scutum absent. Epigastric scutum without lateral joints. Postepigastric scutum short, only around epigastric furrow, not fused to epigastric scutum. Spinneret scutum divided into two plates. Colulus small plate with two setae. Spinnerets: ALS: not examined; PMS: not examined; PLS: not examined. LEGS: tibiae emerit's glands not examined. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-1-1; II p0-0-1; tibiae: I p1-1-0; v4-2-2; r1-0-0; II p0-1-0; v4-2-1p; metatarsi: I, II p1-0-0; v2-2-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: epigastric region inconspicuous, anterior sclerite and plate moderately visible through the epigastric scutum. Dorsal view: large plate with lateral extensions, median protruding and covering anterior genitalic process, protruding part almost twice as long as wide, anterior genitalic process skewed spoon-like shaped, narrow stalked, as long as posterior genitalic process (receptaculum), originating from a small plate; field of filiform glands on small basal plate of anterior genitalic process present but inconspicuous; posterior genitalic process basally broad tube-like elongated, distally conspicuously trapezoidal enlarged.
Varioonops poas, female abdomen, anterior view (image by AO, specimen ID: ---31043)

variopoas9fpabda31043AO.tif

Varioonops poas, female abdomen, dorsal view (image by AO, specimen ID: ---31043)

variopoas9fpabdd31043AO.tif

Varioonops poas, female abdomen, lateral view (image by AO, specimen ID: ---31043)

variopoas9fpabdl31043AO.tif

Varioonops poas, female abdomen, ventral view (image by AO, specimen ID: ---31043)

variopoas9fpabdv31043AO.tif

Varioonops poas, female carapace, anterior view (image by AO, specimen ID: ---31043)

variopoas9fpcara31043AO.tif

Varioonops poas, female carapace, dorsal view (image by AO, specimen ID: ---31043)

variopoas9fpcard31043AO.tif

Varioonops poas, female epigastric sclerite, dorsal view (image by AO, specimen ID: ---31043)

variopoas9fpegsd31043AO.tif

Varioonops poas, female internal female genitalia, dorsal view (image by AO, specimen ID: ---31043)

variopoas9fpifgd31043AO.tif

Varioonops poas, female sternum, ventral view (image by AO, specimen ID: ---31043)

variopoas9fpstev31043AO.tif

 

DISTRIBUTION

COSTA RICA
Varioonops poas coordinates
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MATERIAL EXAMINED
Order by:    
PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00031082  COSTA RICA  Alajuela    Volcan Poas, camping area  2 Adult Male  Holotype    10.18972; -84.23111    10 May 2005  C. Viquez, E. Ulate  INBIO 
PBI_OON 00029826  COSTA RICA  Alajuela    Parque Nacional Volcan Poas, Sendero Tierra Fria [2500-2600m]  1 Adult Male    2600  10.18056; -84.24139    06 Apr 2002  P. Thomas  INBIO 
PBI_OON 00031043  COSTA RICA  Heredia    Cerro Chompipe, 8 km N San Rafael  1 Adult Female    2040  10.08305; -84.06666  forest, Leaf Litter  10 Aug 2007  D. Chandler  INBIO 


 
 
 
 
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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