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OONOPIDAE SPECIES DESCRIPTION
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Opopaea magna       Get publication



            Male (PBI_OON 07514). Total length 1.89. 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 angular posterolateral corners, posterolateral edge without pits, posterior margin not bulging below posterior rim, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides striated, thorax without depressions, fovea absent, without radiating rows of pits; 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:0.089; PME:0.091; PLE:0.070, PME largest, ALE circular, PME oval, 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 separated by less than PME radius. Sternum longer than wide, orange-brown, 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, lateral margin with infra-coxal grooves and anterior and posterior openings, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump; setae sparse, light, needle-like, evenly scattered, originating from small pits. Mouthparts: Chelicerae, endites and labium orange-brown. Chelicerae straight, anterior face unmodified; without teeth on both promargin and retromargin; fangs 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 present. Labium triangular, fused to sternum, anterior margin indented at middle; with 3-5 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. 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 small, dorsolateral, triangular extensions, scuto-pedicel region with paired curved scutal ridges, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, with additional distal wide scutal ridge. Dorsal scutum strongly sclerotized, orange-brown, 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, orange-brown, 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-brown, 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 without inferior claw. 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 orange-brown; embolus light, prolateral excavation present; 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, 0.382 long, 0.219 wide, connection to femur at 0.192.; tibia trichobothria not examined; cymbium orange-brown, narrow in dorsal view, completely fused with bulb, no seam visible, not extending beyond distal tip of bulb, covered with plumose setae, without stout setae, without distal patch of setae; bulb pale orange, shorter than cymbium, slender, tapering apically, bulb narrow slightlybulged, with a dorsal patch of plumose setae, tip elongated with medially bent, fused fold and large rounded prolateral incision..
Opopaea magna, male abdomen, anterior view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmpabda07514BB.tif

Opopaea magna, male abdomen, ventral view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmpabdv07514BB.tif

Opopaea magna, male carapace, dorsal view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmpcard07514BB.tif

Opopaea magna, male carapace, prolateral view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmpcarp07514BB.tif

Opopaea magna, male habitus, lateral view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmphabl07514BB.tif

Opopaea magna, male palp, dorsal view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmppald07514BB.tif

Opopaea magna, male sternum, ventral view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmpstev07514BB.tif

Opopaea magna, male abdomen, ventral view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsabdv20145BB.tif

Opopaea magna, male bulb, prolateral view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsbulp20145BB.tif

Opopaea magna, male embolus, prolateral view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsembp20145BB.tif

Opopaea magna, male fang, ventral view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsfanv20145BB.tif

Opopaea magna, male carapace, anterior view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmpcara07514BB.tif

Opopaea magna, male habitus, dorsal view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmphabd07514BB.tif

Opopaea magna, male palp, prolateral view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmppalp07514BB.tif

Opopaea magna, male palp, retrolateral view (image by BB, specimen ID: ---07514)

OPOPAMAGNAmppalr07514BB.tif

Opopaea magna, male abdomen, anterior view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsabda20145BB.tif

Opopaea magna, male bulb, dorsal view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsbuld20145BB.tif

Opopaea magna, male embolus, dorsal view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsembd20145BB.tif

Opopaea magna, male endites, anterior view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsenda20145BB.tif

Opopaea magna, male labium, ventral view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmslabv20145BB.tif

Opopaea magna, male sternum, ventral view (image by BB, specimen ID: ---20145)

OPOPAMAGNAmsstev20145BB.tif


            Female (PBI_OON 20569). Total length 2.02. As in male except as noted. CEPHALOTHORAX: Eyes aLE:0.089; PME:0.078; PLE:0.073, ALE largest; posterior eye row recurved from above. Endites anteromedian tip unmodified, endites twice as long as wide. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel triangular extensions big. Postepigastric scutum not fused to epigastric scutum. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail.
Opopaea magna, female abdomen, anterior view (image by BB, specimen ID: ---20569)

opopamagnafpabda20569BB.tif

Opopaea magna, female abdomen, ventral view (image by BB, specimen ID: ---20569)

opopamagnafpabdv20569BB.tif

Opopaea magna, female carapace, anterior view (image by BB, specimen ID: ---20569)

opopamagnafpcara20569BB.tif

Opopaea magna, female carapace, dorsal view (image by BB, specimen ID: ---20569)

opopamagnafpcard20569BB.tif

Opopaea magna, female carapace, lateral view (image by BB, specimen ID: ---20569)

opopamagnafpcarl20569BB.tif

Opopaea magna, female carapace, prolateral view (image by BB, specimen ID: ---20569)

opopamagnafpcarp20569BB.tif

Opopaea magna, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---20569)

opopamagnafpepiv20569BB.tif

Opopaea magna, female habitus, dorsal view (image by BB, specimen ID: ---20569)

opopamagnafphabd20569BB.tif

Opopaea magna, female habitus, lateral view (image by BB, specimen ID: ---20569)

opopamagnafphabl20569BB.tif

Opopaea magna, female habitus, ventral view (image by BB, specimen ID: ---20569)

opopamagnafphabv20569BB.tif

Opopaea magna, female sternum, ventral view (image by BB, specimen ID: ---20569)

opopamagnafpstev20569BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea magna 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 00020569  AUSTRALIA  New South Wales    Mt Boss SF (Sth Plateau)  1 Adult Female  Allotype    -31.20000; 152.40000    01 Jan 1900  G.A. Webb  AM 
PBI_OON 00020569  AUSTRALIA  New South Wales    Mt Boss SF (Sth Plateau)  1 Adult Male      -31.20000; 152.40000    01 Jan 1900  G.A. Webb  AM 
PBI_OON 00020145  AUSTRALIA  New South Wales    Styx River State Forest  1 Adult Male      -30.73450; 152.11700    01 Jan 1900  I. Oliver  AM 
PBI_OON 00007514  AUSTRALIA  New South Wales    Styx River State Forest  1 Adult Male  Holotype    -30.72400; 152.10533    01 Jan 1900  I. Oliver  AM 


 
 
 
 
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