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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Oonopoides secretus       Get publication



            Male (PBI_OON 1742). Total length 1.32. CEPHALOTHORAX: Carapace yellow, without any pattern, elongated hexagonal in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to between 0.5 and 0.75 times its maximum width, with angular posterolateral corners, posterolateral edge without pits, posterior margin not bulging below posterior rim, anterolateral corners with slightly sclerotized triangular 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 light, needle-like, present, scattered; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin slightly rebordered, 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 divided. Eyes six, well developed, ALE largest, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, straight from front; ALE separated by their radius to diameter, 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, uniform, not fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow wrinkled, 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; setae sparse, light, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow. 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 inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified, laminate groove absent. Labium triangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula absent, posteromedian part unmodified, same as sternum in sclerotization, anterior portion with single, rounded, strongly produced ledge. ABDOMEN: cylindrical, 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, unmodified, scuto-pedicel region unmodified, scutum absent, but abdomen not extending anterior of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum absent. Epigastric scutum weakly sclerotized, not surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum absent. Spinneret scutum absent. Dorsum setae present, light, needle-like. Epigastric area setae uniform, light, needle-like. Postepigastric area setae present, light, needle-like. Dense patch of setae anterior to spinnerets absent. Colulus present. 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 spination (only surfaces bearing spines listed, all spines longer than segment width): femora: III d0-0-1; IV d1-0-1; tibiae: III d1-0-1; p0-1-1; v1p-0-2; r0-1-1; IV p0-1-1; v1p-1p-2; r0-0-1; metatarsi: III v1p-0-0; r0-1-0; IV p1-0-2; v1p-0-0; r1-0-2. 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 not visible; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus light, prolateral excavation absent, without basal projection, hyaline conductor relatively short, situated near tip of embolus; 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 shorter than 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, middle part constricted.
Oonopoides secretus, male embolus, prolateral view (image by LE, specimen ID: ---01592)

Opoidsecremsembp01592LE.tif

Oonopoides secretus, male embolus, retrolateral view (image by LE, specimen ID: ---01592)

Opoidsecremsembr01592LE.tif

Oonopoides secretus, male embolus, ventral view (image by LE, specimen ID: ---01592)

Opoidsecremsembv01592LE.tif

Oonopoides secretus, male endites, ventral view (image by LE, specimen ID: ---01592)

Opoidsecremsendv01592LE.tif

Oonopoides secretus, male endites, modified setae, ventral view (image by LE, specimen ID: ---01592)

Opoidsecremsemsv01592LE.tif

Oonopoides secretus, male sternum, ventral view (image by LE, specimen ID: ---01592)

Opoidsecrempstev01592LE.tif

Oonopoides secretus, male embolus, prolateral view (image by LE, specimen ID: ---01597)

Opoidsecremsembp01597LE.tif

Oonopoides secretus, male embolus, retrolateral view (image by LE, specimen ID: ---01597)

Opoidsecremsembr01597LE.tif

Oonopoides secretus, male embolus, ventral view (image by LE, specimen ID: ---01597)

Opoidsecremsembv01597LE.tif

Oonopoides secretus, male palp, prolateral view (image by LE, specimen ID: ---01592)

Opoidsecremppalp01592LE.tif

Oonopoides secretus, male palp, retrolateral view (image by LE, specimen ID: ---01592)

Opoidsecremppalr01592LE.tif

Oonopoides secretus, male palp, ventral view (image by LE, specimen ID: ---01592)

Opoidsecremppalv01592LE.tif


            Female (PBI_OON 1592). Total length 1.39. As in male except as noted. CEPHALOTHORAX: Eyes ALE separated by more than their diameter. Endites serrula present in single row, anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum without lateral joints. Postepigastric scutum weakly sclerotized, yellow, short, only around epigastric furrow, not fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: III d1-0-0; tibiae: III v1p-0-2; IV p0-1-0; v1p-1p-2; r0-1-0; metatarsi: III v1p-0-2; IV p1-0-2; v0-1p-0; r1-0-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: anterior receptaculum large, rounded, almost as long as postepigastric scutum. Dorsal view: median sclerotization narrowed anteriorly.
Oonopoides secretus, female abdomen, ventral view (image by LE, specimen ID: ---01592)

Opoidsecrefpabdv01592LE.tif

Oonopoides secretus, female epigynum, epigynal area, ventral view (image by LE, specimen ID: ---01592)

Opoidsecrefpepiv01592LE.tif

Oonopoides secretus, female internal female genitalia, dorsal view (image by LE, specimen ID: ---01592)

Opoidsecrefpifgd01592LE.tif

Oonopoides secretus, female internal female genitalia, ventral view (image by LE, specimen ID: ---01592)

Opoidsecrefpifgv01592LE.tif

 

DISTRIBUTION

MEXICO ; USA
Oonopoides secretus 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 Oonopoides secretus, Discover Life Map
 

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 00001743  MEXICO  Tamaulipas  None or Unknown  15 mi S Victoria  1 Adult Male      23.51461; -99.14111    02 Jul 1936  A., L. Davis  AMNH 
PBI_OON 00031173  USA  Texas  Bexar  San Antonio  1 Adult Female    201  29.43413; -98.49147    28 Dec 1935  L. Davis  AMNH 
PBI_OON 00001584  USA  Texas  Burleson  Barr Site, Snook  1 Adult Male      30.43338; -96.51007    13 Jul 2006  A. Calixto  TAMU 
PBI_OON 00001592  USA  Texas  Cameron  Unknown  7 Adult Female      26.12849; -97.52472    01 Jan 1938  L. Davis  AMNH 
PBI_OON 00001592  USA  Texas  Cameron  Unknown  4 Adult Male      26.12849; -97.52472    01 Jan 1938  L. Davis  AMNH 
PBI_OON 00049940  USA  Texas  Cameron  15 mi SW Harlingen  1 Adult Male  Holotype    26.05611; -97.85840    18 Nov 1934  S. Mulaik  AMNH 
PBI_OON 00001587  USA  Texas  Hidalgo  Edinburg  2 Adult Male      26.30139; -98.16310    01 Dec 1939  S., D. Mulaik  AMNH 
PBI_OON 00001579  USA  Texas  Hidalgo  Edinburg  1 Adult Male      26.30139; -98.16310    29 Apr 1936  S. Mulaik  AMNH 
PBI_OON 00037070  USA  Texas  Hidalgo  Edinburg  1 Adult Male      26.30174; -98.16334    01 Dec 1939  S. Mulaik  AMNH 
PBI_OON 00001587  USA  Texas  Hidalgo  Edinburg  1 Adult Female      26.30139; -98.16310    01 Dec 1939  S., D. Mulaik  AMNH 
PBI_OON 00001589  USA  Texas  Hudspeth  Guadalupe Pass  1 Adult Female      31.90779; -104.96180    04 Oct 1961  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00001583  USA  Texas  Nueces  Driscoll  1 Adult Female      27.40000; -97.45000    14 Apr 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00001586  USA  Texas  San Patricio  Sinton, about 8 mi NE  1 Adult Male      28.08000; -97.26000    28 Apr 1960  H. E. Laughlin  AMNH 
PBI_OON 00021053  USA  Texas  San Patricio  Welder Wildlife Foundation, 7.5 miles North near Sinton  1 Adult Female      28.10741; -97.36786  litter under cactus  20 Jan 1974  J. Bengtson  FMNH 
PBI_OON 00001742  USA  Texas  San Patricio  Sinton, about 8 mi NE  1 Adult Male      28.08000; -97.26000  litter under cactus  22 Mar 1960  H. E. Laughlin  AMNH 


 
 
 
 
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
 
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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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