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OONOPIDAE SPECIES DESCRIPTION
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Varioonops cerrado       Get publication



            Male (PBI_OON 10172). Total length 1.87. CEPHALOTHORAX: Carapace dark red-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 touching, PME touching throughout most of their length, PLE-PME separated by less than PME radius. Sternum longer than wide, orange-brown, 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, sternum surface loosely and coarsely granulated; lateral margin grooves not examined; setae sparse, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. 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, ndites 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 purple-brown ground color with wide pale netlike pattern, cardiac mark pale. 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, orange-brown, without color pattern, covering more than 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. Epigastric scutum weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, orange-brown, long, semicircular, covering about 3/4 of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes. 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: orange-brown, 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 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; tibiae: I v4-2-2; metatarsi: I p1-0-0; v2-2-2; (leg II: both legs are missing in the only available male. ). 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, distally not tapering, discontinuously curved prolaterad; distal half longitudinally ribbed; trochanter normal size, unmodified; femur normal size, two or more 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, distinct cone-shaped receptor dorsodistally on cymbium present, tarsal organ 2 sensilla; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically, distal part conductor basally narrow, medially wide, lamelliform, distally spoon-shaped, prolaterally with backwards-folded, pointed appendage, shorter than embolus.
Varioonops cerrado, male abdomen, anterior view (image by AO, specimen ID: ---10172)

variocerrampabda10172AO.tif

Varioonops cerrado, male abdomen, dorsal view (image by AO, specimen ID: ---10172)

variocerrampabdd10172AO.tif

Varioonops cerrado, male abdomen, lateral view (image by AO, specimen ID: ---10172)

variocerrampabdl10172AO.tif

Varioonops cerrado, male abdomen, ventral view (image by AO, specimen ID: ---10172)

variocerrampabdv10172AO.tif

Varioonops cerrado, male carapace, anterior view (image by AO, specimen ID: ---10172)

variocerrampcara10172AO.tif

Varioonops cerrado, male carapace, dorsal view (image by AO, specimen ID: ---10172)

variocerrampcard10172AO.tif

Varioonops cerrado, male carapace, lateral view (image by AO, specimen ID: ---10172)

variocerrampcarl10172AO.tif

Varioonops cerrado, male habitus, dorsal view (image by AO, specimen ID: ---10172)

variocerramphabd10172AO.tif

Varioonops cerrado, male palp, dorsal view (image by AO, specimen ID: ---10172)

variocerramppald10172AO.tif

Varioonops cerrado, male palp, prolateral view (image by AO, specimen ID: ---10172)

variocerramppalp10172AO.tif

Varioonops cerrado, male palp, retrolateral view (image by AO, specimen ID: ---10172)

variocerramppalr10172AO.tif

Varioonops cerrado, male sternum, ventral view (image by AO, specimen ID: ---10172)

variocerrampstev10172AO.tif

Varioonops cerrado, male bulb, prolateral view (image by AO, specimen ID: ---10172)

variocerramsbulp10172AO.tif

Varioonops cerrado, male embolus, dorsal view (image by AO, specimen ID: ---10172)

variocerramsembd10172AO.tif

Varioonops cerrado, male embolus, prolateral view (image by AO, specimen ID: ---10172)

variocerramsembp10172AO.tif

Varioonops cerrado, male embolus, retrolateral view (image by AO, specimen ID: ---10172)

variocerramsembr10172AO.tif

Varioonops cerrado, male embolus opening, dorsal view (image by AO, specimen ID: ---10172)

variocerramsemod10172AO.tif

Varioonops cerrado, male palp, dorsal view (image by AO, specimen ID: ---10172)

variocerramspald10172AO.tif

Varioonops cerrado, male palp, prolateral view (image by AO, specimen ID: ---10172)

variocerramspalp10172AO.tif

Varioonops cerrado, male palp, retrolateral view (image by AO, specimen ID: ---10172)

variocerramspalr10172AO.tif

Varioonops cerrado, male tarsal organ, palp, dorsal view (image by AO, specimen ID: ---10172)

variocerramstopd10172AO.tif


            Female (PBI_OON 10175). Total length 2.13. As in male except as noted. CEPHALOTHORAX: Sternum sternum surface loosely and coarsely granulated; lateral margin grooves not examined. 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 pale purple-brown ground color, 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 pale orange, 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; 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 and posterior sclerites moderately visible through the epigastric and postepigastric scuta. Dorsal view: large plate with lateral extensions, median protruding and covering anterior genitalic process, protruding part wider than long, anterior genitalic process stalked with moderately enlarged apex, as long as posterior genitalic process (receptaculum), originating from a small plate, some filiform glands at base of anterior genitalic process, posterior genitalic process long bulbous, distally spherical.
Varioonops cerrado, female abdomen, dorsal view (image by AO, specimen ID: ---10175)

variocerrafpabdd10175AO.tif

Varioonops cerrado, female abdomen, lateral view (image by AO, specimen ID: ---10175)

variocerrafpabdl10175AO.tif

Varioonops cerrado, female abdomen, ventral view (image by AO, specimen ID: ---10175)

variocerrafpabdv10175AO.tif

Varioonops cerrado, female carapace, dorsal view (image by AO, specimen ID: ---10175)

variocerrafpcard10175AO.tif

Varioonops cerrado, female epigastric sclerite, dorsal view (image by AO, specimen ID: ---10175)

variocerrafpegsd10175AO.tif

Varioonops cerrado, female internal female genitalia, dorsal view (image by AO, specimen ID: ---10175)

variocerrafpifgd10175AO.tif

Varioonops cerrado, female epigynum, epigynal area, ventral view (image by AO, specimen ID: ---10175)

variocerrafpepiv10175AO.tif

Varioonops cerrado, female sternum, ventral view (image by AO, specimen ID: ---10175)

variocerrafpstev10175AO.tif

Varioonops cerrado, female carapace, anterior view (image by AO, specimen ID: ---10175)

variocerrafpcara10175AO.tif

 

DISTRIBUTION

PANAMA
Varioonops cerrado 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 00010172  PANAMA  Chiriqui    Cerro Colorado  1 Adult Male  Holotype  1460  8.53333; -81.81666  moss  18 Jan 1981  W. Suter  FMNH 
PBI_OON 00010175  PANAMA  Chiriqui    Cerro Colorado  1 Adult Female    1200  8.53333; -81.81666  moss  06 Jan 1981  W. Suter  FMNH 


 
 
 
 
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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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