Welcome Locality Data Entry        | Links | About Oonopidae | Outreach | Sign In 
Home | Project Description | Investigators | Species Pages |
Home >> Species Pages >>
OONOPIDAE SPECIES DESCRIPTION
(1) List all species     
OR       (2) Search by: Select the genus
Select the species
(Female redundant descriptions removed)
Cavisternum michaelbellomoi       Get publication



            Male (PBI_OON 6003). Total length 1.25. CEPHALOTHORAX: Carapace yellow-brown, 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; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae dark, needle-like, present in u-shaped row; non-marginal pars thoracica setae dark, needle-like; marginal setae dark, needle-like. Clypeus margin unmodified, straight in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, dark, needle-like. Chilum absent. Eyes six, well developed, all subequal, all eyes oval; 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 separated by less than PME radius. Sternum longer than wide, yellow-brown, uniform, not fused to carapace, median concavity present, a small concave pit in posterior half of sternum, without radial furrows between coxae I-II, II-III, III-IV, furrow smooth, 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 with small posterior concavity, less than 1/4 of sternum long, covered with few clavate seatae.; setae sparse, light, needle-like, densest laterally, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow-brown. Chelicerae slightly divergent, anterior face unmodified; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip distally widened; 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; with 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: cylindrical, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions white, with yellow spots. 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, yellow-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 weakly sclerotized, surrounding pedicel, slightly protuding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, yellow-brown, 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, 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 longer 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. 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 ovoid, embolus triangular with long thin tip, sides striated; 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, 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, spherical.
Cavisternum michaelbellomoi, male abdomen, ventral view (image by BB, specimen ID: ---06003)

cavismichampabdv06003BB.tif

Cavisternum michaelbellomoi, male carapace, anterior view (image by BB, specimen ID: ---06003)

cavismichampcara06003BB.tif

Cavisternum michaelbellomoi, male fang, anterior view (image by BB, specimen ID: ---06003)

cavismichampfana06003BB.tif

Cavisternum michaelbellomoi, male habitus, dorsal view (image by BB, specimen ID: ---06003)

cavismichamphabd06003BB.tif

Cavisternum michaelbellomoi, male habitus, lateral view (image by BB, specimen ID: ---06003)

cavismichamphabl06003BB.tif

Cavisternum michaelbellomoi, male leg IV, retrolateral view (image by BB, specimen ID: ---06003)

cavismichample4r06003BB.tif

Cavisternum michaelbellomoi, male palp, prolateral view (image by BB, specimen ID: ---06003)

cavismichamppalp06003BB.tif

Cavisternum michaelbellomoi, male palp, retrolateral view (image by BB, specimen ID: ---06003)

cavismichamppalr06003BB.tif

Cavisternum michaelbellomoi, male palp, ventral view (image by BB, specimen ID: ---06003)

cavismichamppalv06003BB.tif

Cavisternum michaelbellomoi, male pedicel, ventral view (image by BB, specimen ID: ---06003)

cavismichamppedv06003BB.tif

Cavisternum michaelbellomoi, male sternum, lateral view (image by BB, specimen ID: ---06003)

cavismichampstel06003BB.tif

Cavisternum michaelbellomoi, male sternum, ventral view (image by BB, specimen ID: ---06003)

cavismichampstev06003BB.tif

Cavisternum michaelbellomoi, male habitus, ventral view (image by BB, specimen ID: ---06003)

cavismichamphabv06003BB.tif

Cavisternum michaelbellomoi, male abdomen, dorsal view (image by BB, specimen ID: ---06275)

cavismichamsabdd06275BB.tif

Cavisternum michaelbellomoi, male carapace, anterior view (image by BB, specimen ID: ---06275)

cavismichamscara06275BB.tif

Cavisternum michaelbellomoi, male clypeus, lateral view (image by BB, specimen ID: ---06275)

cavismichamsclyl06275BB.tif

Cavisternum michaelbellomoi, male fang, anterior view (image by BB, specimen ID: ---06275)

cavismichamsfana06275BB.tif

Cavisternum michaelbellomoi, male habitus, lateral view (image by BB, specimen ID: ---06275)

cavismichamshabl06275BB.tif

Cavisternum michaelbellomoi, male palp, prolateral view (image by BB, specimen ID: ---06275)

cavismichamspalp06275BB.tif

Cavisternum michaelbellomoi, male palp, ventral view (image by BB, specimen ID: ---06275)

cavismichamspalv06275BB.tif

Cavisternum michaelbellomoi, male sternum, lateral view (image by BB, specimen ID: ---06275)

cavismichamsstel06275BB.tif

Cavisternum michaelbellomoi, male sternum, prolateral view (image by BB, specimen ID: ---06275)

cavismichamsstep06275BB.tif

Cavisternum michaelbellomoi, male endites, ventral view (image by BB, specimen ID: ---06275)

cavismichamsendv06275BB.tif


            Female (PBI_OON 6287). Total length 1.26. As in male except as noted. CEPHALOTHORAX: Mouthparts: fangs tip unmodified. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum not protruding, without lateral joints. Postepigastric scutum not fused to epigastric scutum. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: epigastric area with with widely triangular dark area, copulatory duct wide, triangular, ending in a dorsally bent scapus..
Cavisternum michaelbellomoi, female abdomen, ventral view (image by BB, specimen ID: ---06287)

cavismichafpabdv06287BB.tif

Cavisternum michaelbellomoi, female carapace, anterior view (image by BB, specimen ID: ---06287)

cavismichafpcara06287BB.tif

Cavisternum michaelbellomoi, female endites, ventral view (image by BB, specimen ID: ---06287)

cavismichafpendv06287BB.tif

Cavisternum michaelbellomoi, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---06287)

cavismichafpepiv06287BB.tif

Cavisternum michaelbellomoi, female habitus, dorsal view (image by BB, specimen ID: ---06287)

cavismichafphabd06287BB.tif

Cavisternum michaelbellomoi, female habitus, lateral view (image by BB, specimen ID: ---06287)

cavismichafphabl06287BB.tif

Cavisternum michaelbellomoi, female habitus, ventral view (image by BB, specimen ID: ---06287)

cavismichafphabv06287BB.tif

Cavisternum michaelbellomoi, female leg IV, retrolateral view (image by BB, specimen ID: ---06287)

cavismichafple4r06287BB.tif

Cavisternum michaelbellomoi, female serrula, anterior view (image by BB, specimen ID: ---06287)

cavismichafpsera06287BB.tif

Cavisternum michaelbellomoi, female sternum, ventral view (image by BB, specimen ID: ---06287)

cavismichafpstev06287BB.tif

Cavisternum michaelbellomoi, female endites, ventral view (image by BB, specimen ID: ---06275)

cavismichafsendv06275BB.tif

Cavisternum michaelbellomoi, female sternum, ventral view (image by BB, specimen ID: ---06275)

cavismichafsstev06275BB.tif

Cavisternum michaelbellomoi, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---06275)

cavismichafpepid06275BB.tif

Cavisternum michaelbellomoi, female epigynum, epigynal area, dorsal view (image by BB, specimen ID: ---06287)

cavismichafdepid06287BB.tif

Cavisternum michaelbellomoi, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---06287)

cavismichafdepiv06287BB.tif

 

DISTRIBUTION

AUSTRALIA
Cavisternum michaelbellomoi 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 michaelbellomoi, 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 00006347  AUSTRALIA  Queensland  N. E. Queensland  Lolworth NP, vinescrub on basalt  1 Adult Female    275  -19.81666; 146.75000  vinescrub, in litter  13 Nov 2006  R. Raven  QM 
PBI_OON 00006360  AUSTRALIA  Queensland    Toomba Hstead site  1 Adult Male    395  -19.96736; 145.57485  vinescrub, in litter  13 Feb 2007  R. Raven  QM 
PBI_OON 00006287  AUSTRALIA  Queensland    Loiworth (site 2)  1 Adult Female  Paratype  275  -19.00000; 146.00000  vinescrub, in litter  13 Dec 2006  G. Monteith, D. Cook  QM 
PBI_OON 00006295  AUSTRALIA  Queensland    Toomba Hstead site  1 Adult Male    395  -19.96736; 145.57485  vinescrub, in litter  17 Dec 2006  R. Raven, A. Amey  QM 
PBI_OON 00006453  AUSTRALIA  Queensland    Toomba Hstead site  2 Adult Male    395  -19.96736; 145.57485  vinescrub, in litter  13 Feb 2007  R. Raven  QM 
PBI_OON 00006003  AUSTRALIA  Queensland    Loiworth (site 2)  3 Adult Female    275  -19.00000; 146.00000  vinescrub, in litter  13 Dec 2006  G. Monteith, D. Cook  QM 
PBI_OON 00006275  AUSTRALIA  Queensland    Red Falls  1 Adult Female    360  -19.95000; 145.71666  vinescrub, in litter  16 Dec 2006  B. Baehr  QM 
PBI_OON 00006003  AUSTRALIA  Queensland    Loiworth (site 2)  2 Adult Male    275  -19.00000; 146.00000  vinescrub, in litter  13 Dec 2006  G. Monteith, D. Cook  QM 
PBI_OON 00006275  AUSTRALIA  Queensland    Red Falls  5 Adult Male    360  -19.95000; 145.71666  vinescrub, in litter  16 Dec 2006  B. Baehr  QM 
PBI_OON 00023352  AUSTRALIA  Queensland    Loiworth (site 2)  1 Adult Male  Holotype  275  -19.00000; 146.00000  vinescrub, in litter  13 Dec 2006  G. Monteith, D. Cook  QM 
PBI_OON 00006287  AUSTRALIA  Queensland    Loiworth (site 2)  2 Adult Male    275  -19.00000; 146.00000  vinescrub, in litter  13 Dec 2006  G. Monteith, D. Cook  QM 
PBI_OON 00020598  AUSTRALIA  Queensland    Toomba Hstead site  1 Adult Female    395  -19.96736; 145.57485  vinescrub, in litter  15 Dec 2006  S. Wright  QM 


 
 
 
 
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
 
©Copyright 2006-2022. All Rights Reserved.
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.
If the format of any material on the website interferes with your ability to access that material, please contact us at [email protected]