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)
Scaphios cayambe       Get publication



            Male (PBI_OON 463). Total length 1.80. CEPHALOTHORAX: Carapace 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 with slightly sclerotized triangular projections, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, 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 absent; marginal setae dark, 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, dark, needle-like. Chilum absent. Eyes six, well developed, ALE largest, all eyes oval; posterior eye row recurved from above, procurved from front; ALE separated by more than their diameter, ALE-PLE separated by less than ALE radius, PME separated by less than their radius, PLE-PME separated by less than PME radius. Sternum longer than wide, pale orange, 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 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 without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles present, 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 straight, anterior face with swelling; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, densest medially; paturon inner margin with scattered setae, distal region abruptly narrowed, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, not 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 present in single row, anteromedian tip with one strong, tooth-like projection, posteromedian part unmodified, same as sternum in sclerotization, anterior projection relatively wide, directed laterally. 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, ribbed, scuto-pedicel region unmodified, scutum extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum strongly sclerotized, pale orange, without color pattern, covering more than 3/4 of abdomen, more than 1/2 to most of abdomen width, 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, almost rectangular, covering about 3/4 of abdominal length, fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring, very weak, short ridge bearing two setae. 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 absent. LEGS: pale orange, 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): tibiae: III, IV v0-0-1p. 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 large, oval, situated in front of anterior spiracles, unmodified; 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, basally thickened, subdistally bent, producing step-like appearance; 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, slightly larger than femur, 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, elongated.
Scaphios cayambe, male carapace, dorsal view (image by ND, specimen ID: ---00425)

Scaficayammpcard00425ND.tif

Scaphios cayambe, male carapace, lateral view (image by ND, specimen ID: ---00425)

Scaficayammpcarl00425ND.tif

Scaphios cayambe, male habitus, anterior view (image by ND, specimen ID: ---00425)

Scaficayammphaba00425ND.tif

Scaphios cayambe, male habitus, dorsal view (image by ND, specimen ID: ---00425)

Scaficayammphabd00425ND.tif

Scaphios cayambe, male habitus, lateral view (image by ND, specimen ID: ---00425)

Scaficayammphabl00425ND.tif

Scaphios cayambe, male habitus, ventral view (image by ND, specimen ID: ---00425)

Scaficayammphabv00425ND.tif

Scaphios cayambe, male palp, prolateral view (image by ND, specimen ID: ---00425)

Scaficayammppalp00425ND.tif

Scaphios cayambe, male palp, retrolateral view (image by ND, specimen ID: ---00425)

Scaficayammppalr00425ND.tif

Scaphios cayambe, male palp, ventral view (image by ND, specimen ID: ---00425)

Scaficayammppalv00425ND.tif

Scaphios cayambe, male sperm pore, ventral view (image by ND, specimen ID: ---00425)

Scaficayammpspov00425ND.tif

Scaphios cayambe, male sternum, ventral view (image by ND, specimen ID: ---00425)

Scaficayammpstev00425ND.tif

Scaphios cayambe, male embolus, prolateral view (image by ND, specimen ID: ---00425)

Scaficayammpembp00425ND.tif

Scaphios cayambe, male embolus, retrolateral view (image by ND, specimen ID: ---00425)

Scaficayammpembr00425ND.tif


            Female (PBI_OON 463). Total length 2.40. As in male except as noted. CEPHALOTHORAX: Eyes PME squared; PLE-PME separated by PME radius to PME diameter. Sternum sternum followed posteriorly by small ventral pedicel sclerite. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel unmodified, scutum not extending far dorsal of pedicel. Dorsal scutum absent. Epigastric scutum weakly sclerotized, not surrounding pedicel, without lateral joints. Postepigastric scutum weakly sclerotized, yellow, short, only around epigastric furrow, not fused to epigastric scutum, with long posteriorly directed lateral apodemes. Spinneret scutum transverse strip anterior to ALS. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): tibiae: III, IV v0-0-1p. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: transverse bar at base of anterior projection very long, boat-shaped; postepigastric scutum with distinct anterior and posterior margins.
Scaphios cayambe, female carapace, dorsal view (image by ND, specimen ID: ---00463)

Scaficayamfpcard00463ND.tif

Scaphios cayambe, female carapace, lateral view (image by ND, specimen ID: ---00463)

Scaficayamfpcarl00463ND.tif

Scaphios cayambe, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---00463)

Scaficayamfpepiv00463ND.tif

Scaphios cayambe, female habitus, anterior view (image by ND, specimen ID: ---00463)

Scaficayamfphaba00463ND.tif

Scaphios cayambe, female habitus, dorsal view (image by ND, specimen ID: ---00463)

Scaficayamfphabd00463ND.tif

Scaphios cayambe, female habitus, lateral view (image by ND, specimen ID: ---00463)

Scaficayamfphabl00463ND.tif

Scaphios cayambe, female habitus, ventral view (image by ND, specimen ID: ---00463)

Scaficayamfphabv00463ND.tif

Scaphios cayambe, female sternum, ventral view (image by ND, specimen ID: ---00463)

Scaficayamfpstev00463ND.tif

Scaphios cayambe, female internal female genitalia, dorsal view (image by ND, specimen ID: ---00463)

Scaficayamfpifgd00463ND.tif

Scaphios cayambe, female internal female genitalia, ventral view (image by ND, specimen ID: ---00463)

Scaficayamfpifgv00463ND.tif

 

DISTRIBUTION

ECUADOR
Scaphios cayambe 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 Scaphios cayambe, 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 00000425  ECUADOR  Napo    Reserva Ecológica Cayambe-Coca, road from Papallacta to Oyacachi  5 Adult Male    3850  -0.27027; -78.09333  Polilepis forest, litter  01 Dec 2009  Niarchos Expedition, N. Platnick, N. Duperre, E. Tapia  AMNH 
PBI_OON 00000463  ECUADOR  Napo    Reserva Ecológica Cayambe-Coca, road from Papallacta to Oyacachi  1 Adult Female    3850  -0.27027; -78.09333  Polilepis forest  01 Dec 2009  Niarchos Expedition, N. Platnick, N. Duperre, E. Tapia  QCAZ 
PBI_OON 00000463  ECUADOR  Napo    Reserva Ecológica Cayambe-Coca, road from Papallacta to Oyacachi  1 Adult Male  Holotype  3850  -0.27027; -78.09333  Polilepis forest  01 Dec 2009  Niarchos Expedition, N. Platnick, N. Duperre, E. Tapia  QCAZ 


 
 
 
 
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]