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Cavisternum ewani       Get publication



            Male (PBI_OON 6013). Total length 1.07. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica flat 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, rebordered, without denticles; non-marginal pars cephalica setae dark, needle-like; non-marginal pars thoracica setae dark, needle-like; marginal setae dark, needle-like. Clypeus margin unmodified, curved downwards in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent. Chilum absent. Eyes six, well developed, ALE 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 throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, fused to carapace, median concavity present, occupying most of the sternum length, 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 absent, lateral margins unmodified, without posterior hump, with U-shaped field of clavate setae, covering about 3/4 of sternum; setae sparse, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae slightly divergent, anterior face unmodified, fangs extremely long and bent in x-shaped position; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed posteriorly, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium rectangular, not fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; without 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, elliptical, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, ribbed, 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 weakly sclerotized, pale orange, 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 weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, pale orange, long, almost rectangular, covering about 3/4 of abdominal length, fused to epigastric scutum, anterior margin unmodified, with long posteriorly directed lateral apodemes. Spinneret scutum absent. Supra-anal scutum absent. 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 short setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus absent. LEGS: yellow, 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. Leg spines absent. 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, circular, situated in front of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus dark, prolateral excavation absent, palp pear-shaped, bearing a long thin medially bent, embolus at its apex; 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 about as long as femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria not examined; cymbium yellow, ovoid in dorsal view, fused with bulb but with clearly defined seam between, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Cavisternum ewani, male abdomen, ventral view (image by BB, specimen ID: ---06013)

cavisewanimpabdv06013BB.tif

Cavisternum ewani, male carapace, anterior view (image by BB, specimen ID: ---06013)

cavisewanimpcara06013BB.tif

Cavisternum ewani, male carapace, lateral view (image by BB, specimen ID: ---06013)

cavisewanimpcarl06013BB.tif

Cavisternum ewani, male habitus, dorsal view (image by BB, specimen ID: ---06013)

cavisewanimphabd06013BB.tif

Cavisternum ewani, male habitus, lateral view (image by BB, specimen ID: ---06013)

cavisewanimphabl06013BB.tif

Cavisternum ewani, male habitus, ventral view (image by BB, specimen ID: ---06013)

cavisewanimphabv06013BB.tif

Cavisternum ewani, male palp, prolateral view (image by BB, specimen ID: ---06013)

cavisewanimppalp06013BB.tif

Cavisternum ewani, male palp, retrolateral view (image by BB, specimen ID: ---06013)

cavisewanimppalr06013BB.tif

Cavisternum ewani, male palp, ventral view (image by BB, specimen ID: ---06013)

cavisewanimppalv06013BB.tif

Cavisternum ewani, male sternum, anterior view (image by BB, specimen ID: ---06013)

cavisewanimpstea06013BB.tif

Cavisternum ewani, male sternum, lateral view (image by BB, specimen ID: ---06013)

cavisewanimpstel06013BB.tif

Cavisternum ewani, male tarsus I, prolateral view (image by BB, specimen ID: ---06013)

cavisewanimpta1p06013BB.tif

Cavisternum ewani, male carapace, lateral view (image by BB, specimen ID: ---06276)

cavisewanimscarl06276BB.tif

Cavisternum ewani, male sternum, ventral view (image by BB, specimen ID: ---06013)

cavisewanimpstev06013BB.tif

Cavisternum ewani, male palp, anterior view (image by BB, specimen ID: ---06276)

cavisewanimspala06276BB.tif

Cavisternum ewani, male palp, retrolateral view (image by BB, specimen ID: ---06276)

cavisewanimspalr06276BB.tif

Cavisternum ewani, male sternum, lateral view (image by BB, specimen ID: ---06276)

cavisewanimsstel06276BB.tif

Cavisternum ewani, male sternum, ventral view (image by BB, specimen ID: ---06276)

cavisewanimsstev06276BB.tif

Cavisternum ewani, male tarsus IV, lateral view (image by BB, specimen ID: ---06276)

cavisewanimsta4l06276BB.tif


            Female (PBI_OON 6276). Total length 1.21. As in male except as noted. CEPHALOTHORAX: Eyes ALE separated by their radius to diameter, PME touching. Sternum median concavity absent; setae dark, originating from small pits. Mouthparts: fangs directed medially; setae dark. Endites anteromedian tip unmodified. Female palp claws absent. ABDOMEN: cylindrical. Epigastric scutum without lateral joints. Postepigastric scutum not fused to epigastric scutum. Dorsum setae dark. Epigastric area dark. Postepigastric area setae dark. LEGS: patella plus tibia I longer than carapace. Leg spines absent. Tarsi I to IV superior claws tooth not examined. Trichobothria not examined. GENITALIA: Shape: epigastric fold with one large elliptical area, copulatory duct narrow in the midlle and widened at both ends..
Cavisternum ewani, female abdomen, ventral view (image by BB, specimen ID: ---06276)

cavisewanifpabdv06276BB.tif

Cavisternum ewani, female carapace, anterior view (image by BB, specimen ID: ---06276)

cavisewanifpcara06276BB.tif

Cavisternum ewani, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---06276)

cavisewanifpepiv06276BB.tif

Cavisternum ewani, female habitus, dorsal view (image by BB, specimen ID: ---06276)

cavisewanifphabd06276BB.tif

Cavisternum ewani, female habitus, lateral view (image by BB, specimen ID: ---06276)

cavisewanifphabl06276BB.tif

Cavisternum ewani, female habitus, ventral view (image by BB, specimen ID: ---06276)

cavisewanifphabv06276BB.tif

Cavisternum ewani, female leg IV, retrolateral view (image by BB, specimen ID: ---06276)

cavisewanifple4r06276BB.tif

Cavisternum ewani, female mammillary sclerite, ventral view (image by BB, specimen ID: ---06276)

cavisewanifpmamv06276BB.tif

Cavisternum ewani, female serrula, dorsal view (image by BB, specimen ID: ---06276)

cavisewanifpserd06276BB.tif

Cavisternum ewani, female sternum, ventral view (image by BB, specimen ID: ---06276)

cavisewanifpstev06276BB.tif

Cavisternum ewani, female abdomen, dorsal view (image by BB, specimen ID: ---06072)

cavisewanifpabdd06072BB.tif

Cavisternum ewani, female habitus, dorsal view (image by BB, specimen ID: ---06072)

cavisewanifphabd06072BB.tif

Cavisternum ewani, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---06072)

cavisewanifdepid06072BB.tif

Cavisternum ewani, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---06072)

cavisewanifdepiv06072BB.tif

 

DISTRIBUTION

AUSTRALIA
Cavisternum ewani 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 Cavisternum ewani, 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 00020045  AUSTRALIA  Queensland    Lords Table, SE base, site 2  1 Adult Male      -22.67167; 148.01870  woodland  13 Jan 2006  C. Burwell  QM 
PBI_OON 00006156  AUSTRALIA  Queensland    19k NW of Wrotham Park Stn, Burketown Dvt Rd  1 Adult Male    188  -16.52385; 143.88970  woodland  12 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00006013  AUSTRALIA  Queensland    S of Clarke R Xing  2 Adult Male  Holotype  420  -19.23888; 145.47041  woodland  27 Sept 2006  R. Raven, A. Amey, G. Monteith, D. Cook  QM 
PBI_OON 00020998  AUSTRALIA  Queensland    Killymoon Ck,S of Townsville  1 Adult Male      -19.40000; 147.01670  woodland  26 Oct 1991  P. Lawless, R. Raven, M. Shaw  QM 
PBI_OON 00006012  AUSTRALIA  Queensland    Red Falls  1 Adult Male    360  -19.95000; 145.71666  woodland  28 Sept 2006  R. Raven, A. Amey  QM 
PBI_OON 00023661  AUSTRALIA  Queensland    Culgoa Floodplain NP, (CG9).  2 Adult Female    138  -28.94600; 147.15600  Brigalow, litter  20 Jan 2010  C. Kelly, A. Coward  QM 
PBI_OON 00006072  AUSTRALIA  Queensland    SW along Alternate Savannah Way, SE of Chillagoe  3 Adult Male    460  -17.48830; 144.60880  Brigalow, litter  13 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00020038  AUSTRALIA  Queensland    Lords Table, SE base, site 2  1 Adult Male      -22.67167; 148.01870  Brigalow, litter  13 Jan 2006  C. Burwell  QM 
PBI_OON 00006237  AUSTRALIA  Queensland    Dunbar E of Lynd R on Burketown Dvt Rd  2 Adult Male    91  -16.35797; 143.05190  Brigalow, litter  12 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00020956  AUSTRALIA  Queensland    Killymoon Ck, S. of Townsville  1 Adult Male      -19.40000; 147.01670  Brigalow, litter  27 Jul 1992  R. Raven, P. Lawless, E. Lawless, M. Shaw  QM 
PBI_OON 00023662  AUSTRALIA  Queensland    Culgoa Floodplain NP, (CG9).  1 Adult Female    138  -28.94600; 147.15600  Brigalow, litter  20 Jan 2010  C. Kelly, A. Coward  QM 
PBI_OON 00021624  AUSTRALIA  Queensland    Lords Table, SE base  4 Adult Male      -22.67117; 148.02170  Brigalow, litter  09 Jan 2006  R.J. Raven  QM 
PBI_OON 00020031  AUSTRALIA  Queensland    Roper Ck, via Coomburragee, site 3  1 Adult Male    300  -22.90267; 148.33330  Brigalow, litter  11 Jan 2006  C. Burwell  QM 
PBI_OON 00006276  AUSTRALIA  Queensland    Rochford Scrub  1 Adult Female  Paratype    -20.11666; 146.61666  Brigalow, litter  11 Dec 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00020832  AUSTRALIA  Queensland    Lake Broadwater via Dalby  1 Adult Male      -27.35000; 151.10000  Brigalow, litter  17 May 1985  M. Bennie  QM 
PBI_OON 00019557  AUSTRALIA  Queensland    Albinia NP  1 Adult Male    226  -24.73333; 148.75000  eucalypt woodland, litter  31 Oct 2010  C. Lambkin, N. Starick  QDPI 
PBI_OON 00020045  AUSTRALIA  Queensland    Lords Table, SE base, site 2  1 Adult Female      -22.67167; 148.01870  eucalypt woodland, litter  13 Jan 2006  C. Burwell  QM 
PBI_OON 00006214  AUSTRALIA  Queensland    16K N of Warremba  1 Adult Male    331  -24.90153; 148.52270  eucalypt woodland, litter  27 Jun 2006  R. Raven, B. Baehr, A. Amey  QM 
PBI_OON 00006976  AUSTRALIA  Queensland    Taroom district, (BS 24)  1 Adult Male      -25.63333; 149.78333  eucalypt woodland, litter  01 Jun 1996  P. Lawless, H. Janetzki, D. Cook  QM 
PBI_OON 00020998  AUSTRALIA  Queensland    Killymoon Ck,S of Townsville  1 Adult Female      -19.40000; 147.01670  eucalypt woodland, litter  26 Oct 1991  P. Lawless, R. Raven, M. Shaw  QM 
PBI_OON 00023371  AUSTRALIA  Queensland    Lords Table, east face  1 Adult Male  Paratype    -22.67117; 148.02170  open forest  09 Jan 2006  R.J. Raven  AMNH 


 
 
 
 
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