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OONOPIDAE SPECIES DESCRIPTION
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Toloonops chickeringi       Get publication



            Male (PBI_OON 49586). Total length 2.07. CEPHALOTHORAX: Carapace pale orange, without any pattern, broadly oval 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 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 needle-like, present, scattered; non-marginal pars thoracica setae needle-like; marginal setae needle-like. 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, needle-like. Chilum absent. Eyes six, well developed, ALE largest, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, procurved 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 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 present, lateral margins unmodified, without posterior hump, symmetrical elevations at anterior sternum rim present, with long slitshaped opening; setae abundant, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae needle-like, evenly scattered; paturon inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified. 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, same as sternum in sclerotization, anterolateral rim distinctly stepped (in ventral view), most anterior part hyaline; medially with distinct, horn-shaped, ventrally pointed projection. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions yellow, without color pattern. Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum absent, but abdomen extending anteriad 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 absent. Postepigastric scutum absent. Spinneret scutum absent. Dorsum setae present, needle-like. Epigastric area setae uniform, needle-like. Postepigastric area setae present, needle-like. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. Colulus represented only by setae. 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 III and IV weak ventral scopula absent. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I d1-0-0; III, IV d1-0-1; tibiae: I v2-1-1; II p0-1-0; v1-0-1; III, IV p0-1-1; v1-0-2; r0-1-1; metatarsi: I p0-1-1; v2-2-0; r0-0-1; II p1-0-0; v1-0-1; III v1-0-2; r0-0-1; IV p0-1-1; v1-0-2; r0-1-1; (leg II: much less distinct. ). 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 dark, prolateral excavation absent, embolus tube shaped, evenly curved prolaterad, distally moderately tapering, ventrally with longitudinal folding, bearing a field of tiny spikes, longitudinally ribbed, tip with distinct folding, embolus opening shifted proximally and ventroanteriorly from the tip; 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, not fused with bulb, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae, male palpal cymbium shape in dorsal view subrectangular, tarsal organ with 2 sensilla; cymbial cone present, located next to tarsal organ, close to distal cymbial rim; bulb white, more than 2 times as long as cymbium, stout, tapering apically, basal part bulbous protruding ventrally, distal part conductor thin, fingershaped (broken off in SEM pic), originating ventroprolaterally at embolus base.
Toloonops chickeringi, male carapace, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmpcard49586AO.tif

Toloonops chickeringi, male carapace, lateral view (image by AO, specimen ID: ---49586)

TolooChickmpcarl49586AO.tif

Toloonops chickeringi, male habitus, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmphabd49586AO.tif

Toloonops chickeringi, male palp, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmppald49586AO.tif

Toloonops chickeringi, male palp, prolateral view (image by AO, specimen ID: ---49586)

TolooChickmppalp49586AO.tif

Toloonops chickeringi, male palp, retrolateral view (image by AO, specimen ID: ---49586)

TolooChickmppalr49586AO.tif

Toloonops chickeringi, male sternum, ventral view (image by AO, specimen ID: ---49586)

TolooChickmpstev49586AO.tif

Toloonops chickeringi, male bulb, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmsbuld49586AO.tif

Toloonops chickeringi, male bulb, prolateral view (image by AO, specimen ID: ---49586)

TolooChickmsbulp49586AO.tif

Toloonops chickeringi, male bulb, retrolateral view (image by AO, specimen ID: ---49586)

TolooChickmsbulr49586AO.tif

Toloonops chickeringi, male embolus, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmsembd49586AO.tif

Toloonops chickeringi, male embolus, retrolateral view (image by AO, specimen ID: ---49586)

TolooChickmsembr49586AO.tif

Toloonops chickeringi, male embolus, ventral view (image by AO, specimen ID: ---49586)

TolooChickmsembv49586AO.tif

Toloonops chickeringi, male embolus opening, ventral view (image by AO, specimen ID: ---49586)

TolooChickmsemov49586AO.tif

Toloonops chickeringi, male palp, prolateral view (image by AO, specimen ID: ---49586)

TolooChickmspalp49586AO.tif

Toloonops chickeringi, male palp, retrolateral view (image by AO, specimen ID: ---49586)

TolooChickmspalr49586AO.tif

Toloonops chickeringi, male tarsal organ, palp, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmstopd49586AO.tif

Toloonops chickeringi, male carapace, dorsal view (image by AO, specimen ID: ---49586)

TolooChickmscard49586AO.tif

Toloonops chickeringi, male endites, ventral view (image by AO, specimen ID: ---49586)

TolooChickmsendv49586AO.tif

Toloonops chickeringi, male labium, ventral view (image by AO, specimen ID: ---49586)

TolooChickmslabv49586AO.tif

Toloonops chickeringi, male sternum, ventral view (image by AO, specimen ID: ---49586)

TolooChickmsstev49586AO.tif

Toloonops chickeringi, male palp, dorsal view (image by AO, specimen ID: ---49220)

TolooChickmppald49220AO.tif

Toloonops chickeringi, male palp, prolateral view (image by AO, specimen ID: ---49220)

TolooChickmppalp49220AO.tif

Toloonops chickeringi, male palp, retrolateral view (image by AO, specimen ID: ---49220)

TolooChickmppalr49220AO.tif

Toloonops chickeringi, male carapace, anterior view (image by AO, specimen ID: ---49586)

TolooChickmscara49586AO.tif


            Female (PBI_OON 49586). Total length 2.22. As in male except as noted. CEPHALOTHORAX: Mouthparts: Chelicerae, endites and labium yellow. Endites anteromedian tip unmodified, posteromedian part unmodified. Female palp claws absent; spines present, formula: femur v2-1-1; patella p0-1-1; tibia d0-0-1, p2-2-1; tarsus d2-2-2, p1-2-2, v2-2-2; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum weakly sclerotized, not surrounding pedicel, slightly protuding, small lateral sclerites absent, 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: I, II d1-0-0; III, IV d1-0-1; tibiae: I p0-1-1; v2-1-1; II v2-2-2; III p0-1-1; v2-0-2; r0-1-1; IV p0-1-1; v1-0-2; r0-1-1; metatarsi: I p0-1-1; v2-2-0; r0-0-1; II p1-0-0; v2-2-0; III v2-0-2; r0-1-1; IV p0-1-1; v1-0-2; r0-1-1. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: externally inconspicuous, anterior, median and posterior genitalic sclerite visible through epigastric scutum, redbrown. Dorsal view: internally with distinct, narrow lateral extensions, connected with horseshoelike but medially separated, porous plate, anterior genitalic process narrow tubelike, protruding anteriorly, apex enlarged, median genitalic sclerite oval, well sclerotized, posterior genitalic process large, pocket-like, long oval.
Toloonops chickeringi, female internal female genitalia, ventral view (image by LE, specimen ID: ---49586)

Toloochickfpifgv49586LE.tif

Toloonops chickeringi, female internal female genitalia, dorsal view (image by LE, specimen ID: ---49586)

Toloochickfpifgd49586LE.tif

Toloonops chickeringi, female abdomen, lateral view (image by AO, specimen ID: ---49586)

TolooChickfpabdl49586AO.tif

Toloonops chickeringi, female abdomen, ventral view (image by AO, specimen ID: ---49586)

TolooChickfpabdv49586AO.tif

Toloonops chickeringi, female epigynum, epigynal area, ventral view (image by AO, specimen ID: ---49586)

TolooChickfpepiv49586AO.tif

Toloonops chickeringi, female habitus, dorsal view (image by AO, specimen ID: ---49586)

TolooChickfphabd49586AO.tif

Toloonops chickeringi, female sternum, ventral view (image by AO, specimen ID: ---49586)

TolooChickfpstev49586AO.tif

Toloonops chickeringi, female internal female genitalia, dorsal view (image by AO, specimen ID: ---49219)

TolooChickfpifgd49219AO.tif

Toloonops chickeringi, female spinnerets, posterior view (image by LE, specimen ID: ---49586)

Toloochickfsspit49586LE.tif

Toloonops chickeringi, female ALS, posterior view (image by LE, specimen ID: ---49586)

Toloochickfsalst49586LE.tif

Toloonops chickeringi, female PMS, posterior view (image by LE, specimen ID: ---49586)

Toloochickfspmst49586LE.tif

Toloonops chickeringi, female PLS, posterior view (image by LE, specimen ID: ---49586)

Toloochickfsplst49586LE.tif

 

DISTRIBUTION

MEXICO
Toloonops chickeringi 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 Toloonops chickeringi, 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 00049586  MEXICO  Chiapas  None or Unknown  5 mi. W. San Cristobal  3 Adult Female      16.75000; -92.68333  pin oak  24 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00049586  MEXICO  Chiapas  None or Unknown  5 mi. W. San Cristobal  1 Adult Male      16.75000; -92.68333  pin oak  24 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00049219  MEXICO  Chiapas  Teopiscas Municipality  Cueva del Panteon  1 Juvenile sex unknown    1820  ;   pin oak  19 May 1971  R. Argano, V. Sbordoni  MSNG 
PBI_OON 00049219  MEXICO  Chiapas  Teopiscas Municipality  Cueva del Panteon  1 Adult Female  Paratype  1820  ;   pin oak  19 May 1971  R. Argano, V. Sbordoni  MSNG 
PBI_OON 00049216  MEXICO  Chiapas  Teopiscas Municipality  Cueva del Panteon  1 Adult Female  Paratype  1820  ;   pin oak  19 May 1971  R. Argano, V. Sbordoni  MSNG 
PBI_OON 00049220  MEXICO  Chiapas  Teopiscas Municipality  Cueva del Panteon  1 Adult Male  Holotype  1820  ;   pin oak  19 May 1971  R. Argano, V. Sbordoni  MSNG 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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