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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Gradunguloonops erwini       Get publication



            Male (PBI_OON 43152). Total length 1.96. CEPHALOTHORAX: Carapace yellow-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 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 dark, needle-like, present, scattered; non-marginal pars thoracica setae absent; marginal setae dark, needle-like. Clypeus margin unmodified, curved downwards in front view, vertical in lateral view, low, ALE separated from edge of carapace by less than their radius, median projection absent; setae present, dark, needle-like. Chilum absent. Eyes six, well developed, on darkened pigment, ALE largest, all eyes circular; posterior eye row recurved from above, straight from front; ALE separated by more than their diameter, ALE-PLE touching, PME touching throughout most of their length, PLE-PME separated by PME radius to PME diameter. Sternum longer than wide, yellow-brown, 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 not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles present, lateral margins unmodified, without posterior hump; setae sparse, dark, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow-brown. Chelicerae straight, anterior face unmodified; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, evenly scattered; paturon inner margin with pairs of enlarged setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium elongated hexagon, not fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 3-5 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization, with a lateral furrow that bisects the maxilla in two sections: a dorsal one, flattened, bearing the serrula, and a ventral one, thickened, qieth a truncate, less sclerotized tip. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions pale white, without color pattern. Book lung covers large, elliptical, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum not 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 absent. Epigastric scutum weakly sclerotized, not surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, short, only around epigastric furrow, not fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes. Spinneret scutum absent. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. Colulus absent. LEGS: yellow-brown, without color pattern; femur IV thickened, much larger than 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. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): (leg I: femora: d1-1-0, leg II: femora: d1-0-1, leg III: femora: d1-1-1subap, tibiae: d1, p1, r1, v1-1ap, metatarsi: d1-1, p1-1, r1-1, v1-2ap, leg IV: femora: d1-1-0-0-3subap, tibiae: d1, p1-1, r1-1, v1-1ap, metatarsi: d1-0-1, p1-1, r1-1, v1-2ap. ). 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 not visible; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow-brown; embolus dark, prolateral excavation absent, medium sized, curved to ventral; tip with a ventral lobe with spinules.; 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, setae unmodified; tibia trichobothria not examined; cymbium yellow-brown, 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; bulb yellow-brown, 1 to 1.5 times as long as cymbium, slender, tapering apically, , middle part gently concave dorsally, convex ventrally, distal part on the prolateral side, the conductor is short, with a blunt tip and a keel-shaped prolateral margin..
Gradunguloonops erwini, male claws, leg I, dorsal view (image by XG, specimen ID: ---43057)

Graduerwinmpcl1d43057XG.jpg

Gradunguloonops erwini, male claws, leg II, prolateral view (image by XG, specimen ID: ---43057)

Graduerwinmpcl2p43057XG.jpg

Gradunguloonops erwini, male habitus, dorsal view (image by XG, specimen ID: ---43057)

Graduerwinmphabd43057XG.tif

Gradunguloonops erwini, male habitus, ventral view (image by XG, specimen ID: ---43057)

Graduerwinmphabv43057XG.tif

Gradunguloonops erwini, male habitus, lateral view (image by XG, specimen ID: ---43057)

Graduerwinmphabl43057XG.tif

Gradunguloonops erwini, male carapace, dorsal view (image by XG, specimen ID: ---43057)

Graduerwinmpcard43057XG.tif

Gradunguloonops erwini, male carapace, ventral view (image by XG, specimen ID: ---43057)

Graduerwinmpcarv43057XG.tif

Gradunguloonops erwini, male carapace, lateral view (image by XG, specimen ID: ---43057)

Graduerwinmpcarl43057XG.tif

Gradunguloonops erwini, male palp, prolateral view (image by XG, specimen ID: ---43057)

Graduerwinmppalp43057XG.tif

Gradunguloonops erwini, male palp, dorsal view (image by XG, specimen ID: ---43057)

Graduerwinmppald43057XG.tif

Gradunguloonops erwini, male palp, retrolateral view (image by XG, specimen ID: ---43057)

Graduerwinmppalr43057XG.tif

Gradunguloonops erwini, male carapace, anterior view (image by XG, specimen ID: ---43057)

Graduerwinmpcara43057XG.tif

Gradunguloonops erwini, male palp, prolateral view (image by XG, specimen ID: ---43057)

Graduerwinmdpalp43057XG.tif


            Female (PBI_OON 43151). Total length 2.12. As in male except as noted.
Gradunguloonops erwini, female claws, leg I, prolateral view (image by XG, specimen ID: ---30838)

Graduerwinfpcl1p30838XG.jpg

Gradunguloonops erwini, female claws, leg II, prolateral view (image by XG, specimen ID: ---30838)

Graduerwinfpcl2p30838XG.jpg

Gradunguloonops erwini, female internal female genitalia, ventral view (image by XG, specimen ID: ---43151)

Graduerwinfpifgv43151XG.jpg

Gradunguloonops erwini, female habitus, dorsal view (image by XG, specimen ID: ---30838)

Graduerwinfphabd30838XG.tif

Gradunguloonops erwini, female habitus, ventral view (image by XG, specimen ID: ---30838)

Graduerwinfphabv30838XG.tif

Gradunguloonops erwini, female habitus, anterior view (image by XG, specimen ID: ---30838)

Graduerwinfphaba30838XG.tif

Gradunguloonops erwini, female carapace, dorsal view (image by XG, specimen ID: ---30838)

Graduerwinfpcard30838XG.tif

Gradunguloonops erwini, female carapace, ventral view (image by XG, specimen ID: ---30838)

Graduerwinfpcarv30838XG.tif

Gradunguloonops erwini, female carapace, lateral view (image by XG, specimen ID: ---30838)

Graduerwinfpcarl30838XG.tif

Gradunguloonops erwini, female habitus, lateral view (image by XG, specimen ID: ---30838)

Graduerwinfphabl30838XG.tif

Gradunguloonops erwini, female epigynum, epigynal area, ventral view (image by XG, specimen ID: ---30838)

Graduerwinfpepiv30838XG.tif

Gradunguloonops erwini, female internal female genitalia, dorsal view (image by XG, specimen ID: ---43151)

Graduerwinfdifgd43151XG.tif

Gradunguloonops erwini, female carapace, anterior view (image by XG, specimen ID: ---43151)

Graduerwinfpcara43151XG.tif

Gradunguloonops erwini, female carapace, dorsal view (image by XG, specimen ID: ---43151)

Graduerwinfpcard43151XG.tif

Gradunguloonops erwini, female carapace, lateral view (image by XG, specimen ID: ---43151)

Graduerwinfpcarl43151XG.tif

Gradunguloonops erwini, female carapace, ventral view (image by XG, specimen ID: ---43151)

Graduerwinfpcarv43151XG.tif

Gradunguloonops erwini, female habitus, dorsal view (image by XG, specimen ID: ---43151)

Graduerwinfphabd43151XG.tif

Gradunguloonops erwini, female habitus, lateral view (image by XG, specimen ID: ---43151)

Graduerwinfphabl43151XG.tif

Gradunguloonops erwini, female habitus, ventral view (image by XG, specimen ID: ---43151)

Graduerwinfphabv43151XG.tif

 

DISTRIBUTION

PERU
Gradunguloonops erwini 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 00043057  PERU  Loreto    Pithecia  2 Adult Male  Paratype    -5.18333; -74.70000    23 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043057  PERU  Loreto    Pithecia  1 Adult Male  Holotype    -5.18333; -74.70000    23 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043152  PERU  Loreto    Pithecia  3 Adult Male      -5.18333; -74.70000    01 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043151  PERU  Loreto    Pithecia  1 Adult Female  Paratype    -5.18333; -74.70000    01 May 1990  T. Erwin, D. Silva  MUSM 


 
 
 
 
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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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