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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Opopaea palau       Get publication



            Male (PBI_OON 27965). Total length 1.47. CEPHALOTHORAX: Carapace pale orange, without any pattern, broadly oval in dorsal view, pars cephalica strongly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with angular 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 striated, carapace high-shouldered, striated until PLE; lateral margin straight, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae light, needle-like, present in u-shaped row; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin slightly rebordered, 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. Chilum absent. Eyes six, well developed, aLE:0.081; PME:0.073; PLE:0.055, ALE largest, ALE circular, PME squared, PLE circular; posterior eye row straight from both above and front; ALE separated by less than their radius, ALE-PLE separated by less than ALE radius, PME touching for less than half their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow with rows of small pits, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture only 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; setae abundant, light, needle-like, evenly scattered, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. 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 light, needle-like, densest medially; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 1 or 2 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip with one strong, tooth-like projection, posteromedian part unmodified, same as sternum in sclerotization, endites twice as long as wide. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions white, without color pattern. Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, with fringe of setae, scuto-pedicel region with W-shaped scutal ridge, 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, with flattened w-shaped scutal ridge. Dorsal scutum strongly sclerotized, pale orange, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, middle surface punctate, sides punctate, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, pale orange, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with long posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring. Dorsum setae present, light, needle-like. Epigastric area setae uniform, light, needle-like. Postepigastric area setae present, light, needle-like. Spinneret scutum with fringe of stout setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus represented only by setae. LEGS: yellow, 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. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV with inferior claw. Trichobothria not examined. GENITALIA: Epigastric region with sperm pore small, oval, situated at level of anterior spiracles, rebordered; furrow with pair of 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; trochanter normal size, unmodified; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella medially; patella longer than femur, much larger than femur, without prolateral row of ridges, setae unmodified, patella darkened, 0.273 long, 0.122 wide, connection to femur 0.114; tibia trichobothria not examined; cymbium pale orange, narrow in dorsal view, completely fused with bulb, no seam visible, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, with distal patch of setae; bulb pale orange, 1 to 1.5 times as long as cymbium, slender, elongated, bulb ventrally not bulged with extremly long strong ncised tip, tip widened from dorsal view..
Opopaea palau, male habitus, dorsal view (image by BB, specimen ID: ---27965)

opopapalaumphabd27965BB.tif

Opopaea palau, male carapace, dorsal view (image by BB, specimen ID: ---27965)

opopapalaumpcard27965BB.tif

Opopaea palau, male abdomen, anterior view (image by BB, specimen ID: ---27965)

opopapalaumpabda27965BB.tif

Opopaea palau, male carapace, anterior view (image by BB, specimen ID: ---27965)

opopapalaumpcara27965BB.tif

Opopaea palau, male carapace, lateral view (image by BB, specimen ID: ---27965)

opopapalaumpcarl27965BB.tif

Opopaea palau, male carapace, posterior view (image by BB, specimen ID: ---27965)

opopapalaumpcart27965BB.tif

Opopaea palau, male habitus, lateral view (image by BB, specimen ID: ---27965)

opopapalaumphabl27965BB.tif

Opopaea palau, male habitus, ventral view (image by BB, specimen ID: ---27965)

opopapalaumphabv27965BB.tif

Opopaea palau, male palp, dorsal view (image by BB, specimen ID: ---27965)

opopapalaumppald27965BB.tif

Opopaea palau, male palp, prolateral view (image by BB, specimen ID: ---27965)

opopapalaumppalp27965BB.tif

Opopaea palau, male palp, retrolateral view (image by BB, specimen ID: ---27965)

opopapalaumppalr27965BB.tif

Opopaea palau, male sternum, ventral view (image by BB, specimen ID: ---27965)

opopapalaumpstev27965BB.tif

Opopaea palau, male bulb, dorsal view (image by BB, specimen ID: ---10848)

OPOPAPALAUmsbuld10848BB.tif

Opopaea palau, male bulb, prolateral view (image by BB, specimen ID: ---10848)

OPOPAPALAUmsbulp10848BB.tif

Opopaea palau, male embolus, dorsal view (image by BB, specimen ID: ---10848)

OPOPAPALAUmsembd10848BB.tif

Opopaea palau, male embolus, prolateral view (image by BB, specimen ID: ---10848)

OPOPAPALAUmsembp10848BB.tif

Opopaea palau, male palp, prolateral view (image by BB, specimen ID: ---10848)

OPOPAPALAUmspalp10848BB.tif

 

DISTRIBUTION

PALAU
Opopaea palau coordinates
Click the following link for a map from Discover Life which displays the records below. You can click anywhere on that map to zoom in, and clicking on any point will display the full data for that locality Opopaea palau, Discover Life Map
 

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 00027965  PALAU  Sonsorol    Sonsorol Island  1 Adult Male  Holotype    5.32444; 132.22111  forest litter  06 Apr 1973  J., E. Berry  JAB 
PBI_OON 00010848  PALAU  Sonsorol    Fanna Island  1 Adult Female      5.35000; 132.21666  sand-plain, litter  26 Aug 2008  J. E. Czekanski_Moir  FMNH 
PBI_OON 00010848  PALAU  Sonsorol    Fanna Island  1 Adult Male      5.35000; 132.21666  sand-plain, litter  26 Aug 2008  J. E. Czekanski_Moir  FMNH 


 
 
 
 
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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