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)
Opopaea michaeli       Get publication



            Male (PBI_OON 20204). Total length 1.64. CEPHALOTHORAX: Carapace pale orange, 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 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 finely reticulate, sides finely reticulate, 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, scattered; non-marginal pars thoracica setae dark, needle-like, a horizontal row of at least 8 stronger spines; marginal setae dark, needle-like. Clypeus margin slightly rebordered, 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, aLE:0.076; PME:0.072; PLE:0.060, ALE largest, ALE circular, PME oval, PLE circular; posterior eye row recurved from above, straight from front; ALE separated by less than their radius, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, 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 finely reticulate, without pits, microsculpture covering entire surface, 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, radial furrows very shallow; setae abundant, dark, needle-like, evenly scattered, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. 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 absent. Labium triangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 1 or 2 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, endites twice as long as wide. 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 not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, scutal ridges short, shallow. 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 punctate, sides punctate, 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 nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with long posteriorly directed lateral apodemes, posteriorly directed apodemes about 1/2 of the abdomen long.. Spinneret scutum present, incomplete ring. 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 stout 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. 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, oval, situated at level of anterior spiracles, rebordered; 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 absent; 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, patella 0.272long, 0.156wide, connection to femur at 0.61; 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, plumose setae absent, without stout setae, without distal patch of setae; bulb orange-brown, 1 to 1.5 times as long as cymbium, stout, tapering apically, distal part bulb ventrally slightly bulged, tip with pair of dorsal and prolateral directed wings..
Opopaea michaeli, male carapace, dorsal view (image by BB, specimen ID: ---20204)

opopamichampcard20204BB.tif

Opopaea michaeli, male habitus, dorsal view (image by BB, specimen ID: ---20204)

opopamichamphabd20204BB.tif

Opopaea michaeli, male carapace, lateral view (image by BB, specimen ID: ---20204)

opopamichampcarl20204BB.tif

Opopaea michaeli, male habitus, lateral view (image by BB, specimen ID: ---20204)

opopamichamphabl20204BB.tif

Opopaea michaeli, male palp, dorsal view (image by BB, specimen ID: ---20204)

opopamichamppald20204BB.tif

Opopaea michaeli, male palp, prolateral view (image by BB, specimen ID: ---20204)

opopamichamppalp20204BB.tif

Opopaea michaeli, male palp, retrolateral view (image by BB, specimen ID: ---20204)

opopamichamppalr20204BB.tif

Opopaea michaeli, male abdomen, ventral view (image by BB, specimen ID: ---20204)

opopamichampabdv20204BB.tif

Opopaea michaeli, male habitus, ventral view (image by BB, specimen ID: ---20204)

opopamichamphabv20204BB.tif

Opopaea michaeli, male sternum, ventral view (image by BB, specimen ID: ---20204)

opopamichampstev20204BB.tif

Opopaea michaeli, male carapace, anterior view (image by BB, specimen ID: ---20204)

opopamichampcara20204BB.tif

Opopaea michaeli, male carapace, prolateral view (image by BB, specimen ID: ---20204)

opopamichampcarp20204BB.tif

Opopaea michaeli, male abdomen, anterior view (image by BB, specimen ID: ---20204)

opopamichampabda20204BB.tif

Opopaea michaeli, male abdomen, ventral view (image by BB, specimen ID: ---20207)

opopamichamsabdv20207BB.tif

Opopaea michaeli, male bulb, prolateral view (image by BB, specimen ID: ---20207)

opopamichamsbulp20207BB.tif

Opopaea michaeli, male bulb, retrolateral view (image by BB, specimen ID: ---20207)

opopamichamsbulr20207BB.tif

Opopaea michaeli, male endites, ventral view (image by BB, specimen ID: ---20207)

opopamichamsendv20207BB.tif

Opopaea michaeli, male labium, ventral view (image by BB, specimen ID: ---20207)

opopamichamslabv20207BB.tif

Opopaea michaeli, male palp, dorsal view (image by BB, specimen ID: ---20207)

opopamichamspald20207BB.tif

Opopaea michaeli, male palp, retrolateral view (image by BB, specimen ID: ---20207)

opopamichamspalr20207BB.tif

Opopaea michaeli, male sperm pore, ventral view (image by BB, specimen ID: ---20207)

opopamichamsspov20207BB.tif

Opopaea michaeli, male sternum, ventral view (image by BB, specimen ID: ---20207)

opopamichamsstev20207BB.tif

Opopaea michaeli, male palp, prolateral view (image by BB, specimen ID: ---20207)

opopamichamspalp20207BB.tif

 

DISTRIBUTION

AUSTRALIA
Opopaea michaeli 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 michaeli, 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 00020204  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Male  Holotype    -29.13333; 141.50000    29 Sept 1997  M. Gillings  AM 
PBI_OON 00020197  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Male      -29.04116; 141.64116    24 Sept 1997  M. Dangerfield  AM 
PBI_OON 00020207  AUSTRALIA  New South Wales    Sturt National Park  1 Adult Male      -29.20666; 141.02316    29 Sept 1997  I. Oliver  AM 


 
 
 
 
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]