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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Escaphiella chiapa       Get publication



            Male (PBI_OON 26827). Total length 1.40. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to between 0.5 and 0.75 times its maximum width, 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 granulate, sides granulate, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, with blunt 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; marginal setae absent. Clypeus margin unmodified, curved downwards 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 largest, ALE circular, PME squared, PLE oval; posterior eye row procurved from both above and front; ALE touching, 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, 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 with continuous transverse groove, 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, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae slightly divergent, anterior face unmodified, paturon with anterolateral keel and one large plumose seta on anterior and posterior face at middle of fang base (seen under compound microscope); fangs directed medially, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, evenly scattered; paturon inner margin with scattered setae, distal region unmodified. Labium triangular, fused to sternum, anterior margin not indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally excavated, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization. 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 medium, ribbed, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, small scutal ridge above the pedicel and a secondary ridge joining the book lungs.. Dorsal scutum strongly sclerotized, pale orange, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, middle surface finely reticulate, sides finely reticulate, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, pale orange, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes, lateral side of postepigastric scutum finely striate (rugose). 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 needle-like setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus represented only by setae. Spinnerets: PMS: pMS present, with one spigot (seen under microscope). LEGS: pale orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I shorter than carapace, tibia IV specialized hairs on ventral apex absent, tibia IV ventral scopula absent, metatarsi III and IV weak ventral scopula absent. Leg spines absent. Trichobothria examined with Compound microscope; tibia: each with three; metatarsus: each with one. GENITALIA: Epigastric region with sperm pore large, circular, situated at level of anterior spiracles; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right palp consistently different from left palp, proximal segments pale orange; embolus dark, 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 basally; patella shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 3 trichobothria; cymbium pale orange, ovoid in dorsal view, completely fused with bulb, no seam visible, extending beyond distal tip of bulb, plumose setae absent, without stout setae, with distal patch of setae; bulb pale orange, 1 to 1.5 times as long as cymbium, stout, tapering apically, prolateral surface with stridulatory file..
Escaphiella chiapa, male habitus, anterior view (image by ND, specimen ID: ---26827)

Escapchiapmphaba26827ND.tif

Escaphiella chiapa, male habitus, dorsal view (image by ND, specimen ID: ---26827)

Escapchiapmphabd26827ND.tif

Escaphiella chiapa, male habitus, lateral view (image by ND, specimen ID: ---26827)

Escapchiapmphabl26827ND.tif

Escaphiella chiapa, male habitus, ventral view (image by ND, specimen ID: ---26827)

Escapchiapmphabv26827ND.tif

Escaphiella chiapa, male palp, dorsal view (image by ND, specimen ID: ---26827)

Escapchiapmppald26827ND.tif

Escaphiella chiapa, male palp, prolateral view (image by ND, specimen ID: ---26827)

Escapchiapmppalp26827ND.tif

Escaphiella chiapa, male palp, retrolateral view (image by ND, specimen ID: ---26827)

Escapchiapmppalr26827ND.tif

Escaphiella chiapa, male palp, ventral view (image by ND, specimen ID: ---26827)

Escapchiapmppalv26827ND.tif

Escaphiella chiapa, male gonopore (male genital area), ventral view (image by ND, specimen ID: ---26827)

Escapchiapmpgonv26827ND.tif

Escaphiella chiapa, male palp, right, modified, prolateral view (image by ND, specimen ID: ---26827)

Escapchiapmpparp26827ND.tif

Escaphiella chiapa, male palp, right, modified, retrolateral view (image by ND, specimen ID: ---26827)

Escapchiapmpparr26827ND.tif

Escaphiella chiapa, male palp, right, modified, ventral view (image by ND, specimen ID: ---26827)

Escapchiapmpparv26827ND.tif

Escaphiella chiapa, male booklung covers, lateral view (image by ND, specimen ID: ---26827)

Escapchiapmpbocl26827ND.tif

Escaphiella chiapa, male carapace, dorsal view (image by ND, specimen ID: ---26827)

Escapchiapmpcard26827ND.tif

Escaphiella chiapa, male carapace, lateral view (image by ND, specimen ID: ---26827)

Escapchiapmpcarl26827ND.tif

Escaphiella chiapa, male pedicel, anterior view (image by ND, specimen ID: ---26827)

Escapchiapmppeda26827ND.tif

Escaphiella chiapa, male sternum, ventral view (image by ND, specimen ID: ---26827)

Escapchiapmpstev26827ND.tif

Escaphiella chiapa, male abdomen, ventral view (image by ND, specimen ID: ---26827)

Escapchiapmpabdv26827ND.tif


            Female (PBI_OON_0026827). Total length 1.44. As in male except as noted. CEPHALOTHORAX: Carapace non-marginal pars cephalica setae light. Mouthparts: Chelicerae paturon with anterolateral keel and one large plumose seta on anterior and posterior face at middle of fang base (seen under compound microscope). Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges, prolateral surface of palpal femur with stridulatory file, palpal tarsus with distal setae forming a distal patch of setae; trichobothria three dorsal trichobothria on tibia.. ABDOMEN: Book lung covers small. Pedicel with and a small ridge above the pedicel. Dorsal scutum absent. Epigastric scutum without lateral joints, margins of anterior part epigastric scutum with small ridge and granulations. Postepigastric scutum lateral side of postepigastric scutum, reticulate only along the margins. Spinnerets: PMS: pMS present, with one spigot (seen under microscope). LEGS: Leg spines absent. Trichobothria examined with Compound microscope.
Escaphiella chiapa, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---26827)

Escapchiapfpepiv26827ND.tif

Escaphiella chiapa, female habitus, anterior view (image by ND, specimen ID: ---26827)

Escapchiapfphaba26827ND.tif

Escaphiella chiapa, female habitus, dorsal view (image by ND, specimen ID: ---26827)

Escapchiapfphabd26827ND.tif

Escaphiella chiapa, female habitus, lateral view (image by ND, specimen ID: ---26827)

Escapchiapfphabl26827ND.tif

Escaphiella chiapa, female habitus, ventral view (image by ND, specimen ID: ---26827)

Escapchiapfphabv26827ND.tif

Escaphiella chiapa, female booklung covers, lateral view (image by ND, specimen ID: ---26827)

Escapchiapfpbocl26827ND.tif

Escaphiella chiapa, female carapace, dorsal view (image by ND, specimen ID: ---26827)

Escapchiapfpcard26827ND.tif

Escaphiella chiapa, female carapace, lateral view (image by ND, specimen ID: ---26827)

Escapchiapfpcarl26827ND.tif

Escaphiella chiapa, female pedicel, anterior view (image by ND, specimen ID: ---26827)

Escapchiapfppeda26827ND.tif

Escaphiella chiapa, female sternum, ventral view (image by ND, specimen ID: ---26827)

Escapchiapfpstev26827ND.tif

 

DISTRIBUTION

MEXICO
Escaphiella chiapa 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 Escaphiella chiapa, 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 00036877  MEXICO  Chiapas  None or Unknown  5 mi NE Chiapa, hillside  8 Adult Male      16.75000; -92.96667    22 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00036880  MEXICO  Chiapas  None or Unknown  rim of canyon, Sumidero  1 Adult Female      16.83333; -93.08333    30 Jul 1966  J., W. Ivie  AMNH 
PBI_OON 00031048  MEXICO  Chiapas  None or Unknown  5 mi NE Chiapa, hillside  1 Adult Male  Holotype    16.75000; -92.96667  hillside  22 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00036879  MEXICO  Chiapas  None or Unknown  rim of gorge NE Tuxtla Gutierrez, 2 mi S Sumidero  1 Adult Female      16.80000; -93.06666  hillside  17 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00026827  MEXICO  Chiapas  None or Unknown  5 mi NE Chiapa, hillside  31 Adult Female      16.75000; -92.96667  hillside  22 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00036878  MEXICO  Chiapas  None or Unknown  Tuxtla Gutierrez  1 Adult Female      16.75891; -93.11271  hillside  20 Jul 1947  C., M. Goodnight  AMNH 
PBI_OON 00026827  MEXICO  Chiapas  None or Unknown  5 mi NE Chiapa, hillside  23 Adult Male      16.75000; -92.96667  hillside  22 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00036877  MEXICO  Chiapas  None or Unknown  5 mi NE Chiapa, hillside  8 Adult Female      16.75000; -92.96667  hillside  22 Aug 1966  J., W. Ivie  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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