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OONOPIDAE SPECIES DESCRIPTION
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Cavisternum noelashepherdae       Get publication



            Male (PBI_OON 6104). Total length 0.99. 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, posterior margin with row of small 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, scattered; non-marginal pars thoracica setae absent; marginal setae absent. 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, light, needle-like. 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 their radius to diameter, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, not 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, sternum pale-orange, longer than wide with long field of clavate setae, covering about half of sternum width, median stripe uncovered, anterior margin with rectangular rim of short, stiff setae; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified, fang reduced, tiny.; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, without prominent basal process, tip unmodified; setae dark, 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; 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, with medially directed triangular lobes.. 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, 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, slightly protuding, small lateral sclerites absent, sperm pore surrounded by circular field of pores. Postepigastric scutum weakly sclerotized, pale orange, long, almost rectangular, 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. Supra-anal scutum absent. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Spinneret scutum with fringe of short 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. 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, oval, 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, bearing a long, medially bent embolus with a broadened basis; 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, completely fused with bulb, no seam visible, 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 noelashepherdae, male carapace, anterior view (image by BB, specimen ID: ---06104)

cavisnoelampcara06104BB.tif

Cavisternum noelashepherdae, male chelicerae, anterior view (image by BB, specimen ID: ---06104)

cavisnoelampchea06104BB.tif

Cavisternum noelashepherdae, male habitus, dorsal view (image by BB, specimen ID: ---06104)

cavisnoelamphabd06104BB.tif

Cavisternum noelashepherdae, male habitus, lateral view (image by BB, specimen ID: ---06104)

cavisnoelamphabl06104BB.tif

Cavisternum noelashepherdae, male habitus, ventral view (image by BB, specimen ID: ---06104)

cavisnoelamphabv06104BB.tif

Cavisternum noelashepherdae, male palp, dorsal view (image by BB, specimen ID: ---06104)

cavisnoelamppald06104BB.tif

Cavisternum noelashepherdae, male palp, prolateral view (image by BB, specimen ID: ---06104)

cavisnoelamppalp06104BB.tif

Cavisternum noelashepherdae, male palp, retrolateral view (image by BB, specimen ID: ---06104)

cavisnoelamppalr06104BB.tif

Cavisternum noelashepherdae, male sternum, ventral view (image by BB, specimen ID: ---06104)

cavisnoelampstev06104BB.tif

Cavisternum noelashepherdae, male palp, dorsal view (image by BB, specimen ID: ---06104)

cavisnoelamdpald06104BB.tif

Cavisternum noelashepherdae, male palp, prolateral view (image by BB, specimen ID: ---06104)

cavisnoelamdpalp06104BB.tif

Cavisternum noelashepherdae, male palp, retrolateral view (image by BB, specimen ID: ---06104)

cavisnoelamdpalr06104BB.tif

 

DISTRIBUTION

AUSTRALIA
Cavisternum noelashepherdae coordinates
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MATERIAL EXAMINED
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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 00006104  AUSTRALIA  Northern Territory    49k W of Calvert Rd Turnoff, Calvert Hills Stn  1 Adult Male  Holotype  150  -16.82057; 137.14290    06 Jul 2006  R. Raven, B. Baehr, A. Amey  QM 


 
 
 
 
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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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