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(Female redundant descriptions removed)
Opopaea banksi (Hickman, 1950)       Get publication

Gamasomorpha banksi Hickman, 1950: 13, f. 12-14 (Dmf).
Opopaea banksi Brignoli, 1975a: 230 (Tmf from Gamasomorpha).

            Male (PBI_OON 23677). Total length 1.44. CEPHALOTHORAX: Carapace orange-brown, without any pattern, ovoid 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, anterolateral corners without extension or projections, 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, with blunt 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: 0.082; PME: 0.077; PLE: 0.066, ALE largest, ALE circular, PME oval, PLE circular; posterior eye row straight from both above and front; ALE separated by their radius to diameter, ALE-PLE touching, PME touching for less than half their length, PLE-PME touching. 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, strongly reticulate between coxae IV; setae sparse, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-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 light, needle-like, densest medially; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove present. Labium triangular, 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 with one strong, tooth-like projection, posteromedian part unmodified, same as sternum in sclerotization. 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, with longitudinal ridge. Posterior spiracles connected by groove. Pedicel tube short, with small, dorsolateral, triangular extensions, scuto-pedicel region with paired curved scutal ridges, 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, scutopedicel region about 3/4 diameter of pedicel, paired scutal ridges not medially connected. 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 smooth, sides smooth, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, orange-brown, almost 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: 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. 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, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, 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, 0.292 long, 0.165 wide, connection to femur at 0.48.; tibia trichobothria not examined; cymbium orange-brown, ovoid 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 orange-brown, shorter than cymbium, tapering apically, bulb ventrally strongly bulged, tip narrow with tiny acute beak-shaped ending and tiny prolateral incision and small fenestra retrolateral part of tip s-shaped..
Opopaea banksi, male abdomen, anterior view (image by BB, specimen ID: ---23677)


Opopaea banksi, male abdomen, ventral view (image by BB, specimen ID: ---23677)


Opopaea banksi, male carapace, anterior view (image by BB, specimen ID: ---23677)


Opopaea banksi, male carapace, prolateral view (image by BB, specimen ID: ---23677)


Opopaea banksi, male habitus, dorsal view (image by BB, specimen ID: ---23677)


Opopaea banksi, male palp, dorsal view (image by BB, specimen ID: ---23677)


Opopaea banksi, male habitus, lateral view (image by BB, specimen ID: ---23677)


Opopaea banksi, male palp, prolateral view (image by BB, specimen ID: ---23677)


Opopaea banksi, male palp, retrolateral view (image by BB, specimen ID: ---23677)


Opopaea banksi, male sternum, ventral view (image by BB, specimen ID: ---23677)


Opopaea banksi, male palp, dorsal view (image by BB, specimen ID: ---23677)


Opopaea banksi, male palp, prolateral view (image by BB, specimen ID: ---23677)


            Female (PBI_OON 23678). Total length 1.60. As in male except as noted. CEPHALOTHORAX: Eyes aLE: 0.076; PME: 0.057; PLE: 0.056. Sternum strongly reticulate between coxae IV. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges, palpal tarsu thickened. ABDOMEN: Book lung covers with longitudinal ridge. Pedicel scutopedicel region about 3/4 diameter of pedicel, paired scutal ridges not medially connected. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: epigastric area, ventral view, epigastric fold (EF) widely bowed with narrow triangular extension medially; in dorsal view paddle-like sclerite (PSc) with straight arms bent at the end; nail-like process (Na) tiny conical; globular appendix (GAp) mushroom-shaped..
Opopaea banksi, female abdomen, anterior view (image by BB, specimen ID: ---23678)


Opopaea banksi, female abdomen, ventral view (image by BB, specimen ID: ---23678)


Opopaea banksi, female carapace, anterior view (image by BB, specimen ID: ---23678)


Opopaea banksi, female carapace, prolateral view (image by BB, specimen ID: ---23678)


Opopaea banksi, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---23678)


Opopaea banksi, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---23678)


Opopaea banksi, female habitus, dorsal view (image by BB, specimen ID: ---23678)


Opopaea banksi, female habitus, lateral view (image by BB, specimen ID: ---23678)


Opopaea banksi, female sternum, ventral view (image by BB, specimen ID: ---23678)




Opopaea banksi 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 banksi, Discover Life Map

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PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00023677  AUSTRALIA  South Australia    Reevesby Island -34.533 / 136.267  1 Adult Male  Holotype    -34.55305; 136.26694    01 Dec 1936  Hickman  MVMA 
PBI_OON 00023678  AUSTRALIA  South Australia    Reevesby Island -34.533 / 136.267  1 Adult Female  Allotype    -34.55305; 136.26694    01 Dec 1936  Hickman  MVMA 

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