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)
Escaphiella magna       Get publication



            Male (PBI_OON 26829). Total length 2.9. CEPHALOTHORAX: Carapace dark red-brown, 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, 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 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, dark red-brown, 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 rugose, without pits, microsculpture covering entire surface, 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 red-brown. 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 scope); 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, anteriorly deeply depressed, with transeverse ridge, apex with modified setae.. 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 small, very narrow, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, with small, dorsolateral, triangular extensions, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, abdomen scuto-pedicel region with a series of ridges and a median round, depression. Dorsal scutum strongly sclerotized, dark red-brown, 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 strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, dark red-brown, 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 punctate. 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: posterior median spinneret present, observed under stereoscope. LEGS: dark red-brown, 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 and left palps symmetrical, 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.
Escaphiella magna, male carapace, dorsal view (image by ND, specimen ID: ---26829)

Escapmagnampcard26829ND.tif

Escaphiella magna, male carapace, lateral view (image by ND, specimen ID: ---26829)

Escapmagnampcarl26829ND.tif

Escaphiella magna, male gonopore (male genital area), ventral view (image by ND, specimen ID: ---26829)

Escapmagnampgonv26829ND.tif

Escaphiella magna, male habitus, anterior view (image by ND, specimen ID: ---26829)

Escapmagnamphaba26829ND.tif

Escaphiella magna, male habitus, dorsal view (image by ND, specimen ID: ---26829)

Escapmagnamphabd26829ND.tif

Escaphiella magna, male habitus, lateral view (image by ND, specimen ID: ---26829)

Escapmagnamphabl26829ND.tif

Escaphiella magna, male habitus, ventral view (image by ND, specimen ID: ---26829)

Escapmagnamphabv26829ND.tif

Escaphiella magna, male palp, dorsal view (image by ND, specimen ID: ---26829)

Escapmagnamppald26829ND.tif

Escaphiella magna, male palp, prolateral view (image by ND, specimen ID: ---26829)

Escapmagnamppalp26829ND.tif

Escaphiella magna, male palp, retrolateral view (image by ND, specimen ID: ---26829)

Escapmagnamppalr26829ND.tif

Escaphiella magna, male palp, ventral view (image by ND, specimen ID: ---26829)

Escapmagnamppalv26829ND.tif

Escaphiella magna, male sternum, ventral view (image by ND, specimen ID: ---26829)

Escapmagnampstev26829ND.tif

Escaphiella magna, male abdomen, anterior view (image by ND, specimen ID: ---26829)

Escapmagnampabda26829ND.tif

Escaphiella magna, male abdomen, lateral view (image by ND, specimen ID: ---26829)

Escapmagnampabdl26829ND.tif

Escaphiella magna, male booklung covers, lateral view (image by ND, specimen ID: ---26829)

Escapmagnampbocl26829ND.tif

Escaphiella magna, male pedicel, anterior view (image by ND, specimen ID: ---26829)

Escapmagnamppeda26829ND.tif

Escaphiella magna, male carapace, dorsal view (image by ND, specimen ID: ---26833)

Escapmagnamscard26833ND.tif

Escaphiella magna, male gonopore (male genital area), ventral view (image by ND, specimen ID: ---26833)

Escapmagnamsgonv26833ND.tif

Escaphiella magna, male habitus, dorsal view (image by ND, specimen ID: ---26833)

Escapmagnamshabd26833ND.tif

Escaphiella magna, male sternum, ventral view (image by ND, specimen ID: ---26833)

Escapmagnamsstev26833ND.tif

Escaphiella magna, male abdomen, anterior view (image by ND, specimen ID: ---26833)

Escapmagnamsabda26833ND.tif

Escaphiella magna, male carapace, posterior view (image by ND, specimen ID: ---26833)

Escapmagnamscart26833ND.tif


            Female (PBI_OON_0026829). Total length 3.1. As in male except as noted. CEPHALOTHORAX: Mouthparts: Chelicerae paturon with anterolateral keel and one large plumose seta on anterior and posterior face at middle of fang base (seen under compound scope); paturon posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. 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 tibia with three dorsal trichobothria, seen under stereoscope. ABDOMEN: pointed posteriorly. Pedicel abdomen scuto-pedicel region with a series of ridges and a median round, depression. Dorsal scutum absent. Epigastric scutum without lateral joints, anterior part of epigastric scutum with scutal ridge. Postepigastric scutum lateral side of postepigastric scutum punctate. Spinnerets: PMS: posterior median spinneret present, observed under stereoscope. LEGS: Leg spines absent. Trichobothria examined with Compound microscope.
Escaphiella magna, female carapace, dorsal view (image by ND, specimen ID: ---26829)

Escapmagnafpcard26829ND.tif

Escaphiella magna, female carapace, lateral view (image by ND, specimen ID: ---26829)

Escapmagnafpcarl26829ND.tif

Escaphiella magna, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---26829)

Escapmagnafpepiv26829ND.tif

Escaphiella magna, female habitus, anterior view (image by ND, specimen ID: ---26829)

Escapmagnafphaba26829ND.tif

Escaphiella magna, female habitus, dorsal view (image by ND, specimen ID: ---26829)

Escapmagnafphabd26829ND.tif

Escaphiella magna, female habitus, lateral view (image by ND, specimen ID: ---26829)

Escapmagnafphabl26829ND.tif

Escaphiella magna, female habitus, ventral view (image by ND, specimen ID: ---26829)

Escapmagnafphabv26829ND.tif

Escaphiella magna, female sternum, ventral view (image by ND, specimen ID: ---26829)

Escapmagnafpstev26829ND.tif

Escaphiella magna, female booklung covers, lateral view (image by ND, specimen ID: ---26829)

Escapmagnafpbocl26829ND.tif

Escaphiella magna, female pedicel, anterior view (image by ND, specimen ID: ---26829)

Escapmagnafppeda26829ND.tif

Escaphiella magna, female sternum, ventral view (image by ND, specimen ID: ---26833)

Escapmagnafsstev26833ND.tif

Escaphiella magna, female abdomen, lateral view (image by ND, specimen ID: ---26833)

Escapmagnafsabdl26833ND.tif

Escaphiella magna, female carapace, dorsal view (image by ND, specimen ID: ---26833)

Escapmagnafscard26833ND.tif

Escaphiella magna, female carapace, lateral view (image by ND, specimen ID: ---26833)

Escapmagnafscarl26833ND.tif

Escaphiella magna, female habitus, dorsal view (image by ND, specimen ID: ---26833)

Escapmagnafshabd26833ND.tif

Escaphiella magna, female habitus, lateral view (image by ND, specimen ID: ---26833)

Escapmagnafshabl26833ND.tif

Escaphiella magna, female abdomen, anterior view (image by ND, specimen ID: ---26833)

Escapmagnafsabda26833ND.tif

Escaphiella magna, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---26833)

Escapmagnafsepiv26833ND.tif

Escaphiella magna, female carapace, posterior view (image by ND, specimen ID: ---26833)

Escapmagnafscart26833ND.tif

 

DISTRIBUTION

MEXICO
Escaphiella magna 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 magna, 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 00026831  MEXICO  Guerrero  None or Unknown  La Azul  1 Adult Female      18.35000; -99.33000    03 May 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00029901  MEXICO  Morelos  None or Unknown  Rancho el 32  1 Adult Male      ;       F. Ortega  IBUNAM 
PBI_OON 00026830  MEXICO  Morelos  None or Unknown  Tepoztlan  1 Adult Male  Holotype    18.96666; -99.11666    05 May 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00026829  MEXICO  Morelos  None or Unknown  Tepoztlan  7 Adult Female      18.96666; -99.11666    05 May 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00026829  MEXICO  Morelos  None or Unknown  Tepoztlan  7 Adult Male      18.96666; -99.11666    05 May 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00026833  MEXICO  Oaxaca  None or Unknown  Talcolula  6 Adult Female      16.57000; -96.27000    30 Apr 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00026833  MEXICO  Oaxaca  None or Unknown  Talcolula  6 Adult Male      16.57000; -96.27000    30 Apr 1963  W. Gertsch, W. Ivie  AMNH 
PBI_OON 00026832  MEXICO  Oaxaca  None or Unknown  3 mi SE of Tlacolula  4 Adult Male      16.56000; -96.25000    30 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
 
©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]