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OONOPIDAE SPECIES DESCRIPTION
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Scaphiella tuxtla       Get publication



            Male (PBI_OON 29860). Total length 1.65. 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 smooth, sides granulate, thorax without depressions, fovea absent, without radiating rows of pits, granulation covering most of pars thoracica; 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 separated by less than their radius, 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, pale orange, uniform, 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 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 abundant, dark, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. 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 dark, needle-like, evenly scattered; paturon inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; subdistal portion with unmodified setae. Endites distally excavated, serrula absent, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization. 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 not connected by groove. Pedicel tube medium, ribbed, scuto-pedicel region unmodified, scutum not 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 full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, middle surface smooth, sides smooth, 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. Spinneret scutum present, incomplete ring. 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. 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 I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Epigastric region with sperm pore large, circular, situated at level of anterior spiracles, rebordered; 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, basally twisted, abruptly narrowed distal of twist; trochanter normal size, unmodified; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally, moderately expanded; 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, extending beyond distal tip of bulb, plumose setae absent, without stout setae, with distal patch of setae; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Scaphiella tuxtla, male carapace, dorsal view (image by ND, specimen ID: ---29860)

Scaphtuxtlmpcard29860ND.tif

Scaphiella tuxtla, male carapace, lateral view (image by ND, specimen ID: ---29860)

Scaphtuxtlmpcarl29860ND.tif

Scaphiella tuxtla, male habitus, anterior view (image by ND, specimen ID: ---29860)

Scaphtuxtlmphaba29860ND.tif

Scaphiella tuxtla, male habitus, dorsal view (image by ND, specimen ID: ---29860)

Scaphtuxtlmphabd29860ND.tif

Scaphiella tuxtla, male habitus, lateral view (image by ND, specimen ID: ---29860)

Scaphtuxtlmphabl29860ND.tif

Scaphiella tuxtla, male habitus, ventral view (image by ND, specimen ID: ---29860)

Scaphtuxtlmphabv29860ND.tif

Scaphiella tuxtla, male palp, dorsal view (image by ND, specimen ID: ---29860)

Scaphtuxtlmppald29860ND.tif

Scaphiella tuxtla, male palp, prolateral view (image by ND, specimen ID: ---29860)

Scaphtuxtlmppalp29860ND.tif

Scaphiella tuxtla, male palp, retrolateral view (image by ND, specimen ID: ---29860)

Scaphtuxtlmppalr29860ND.tif

Scaphiella tuxtla, male palp, ventral view (image by ND, specimen ID: ---29860)

Scaphtuxtlmppalv29860ND.tif


            Female (PBI_OON 29860). Total length 1.77. As in male except as noted. CEPHALOTHORAX: Carapace granulation covering most of pars thoracica. Female palp claws absent; spines absent; tarsus expanded, patella without prolateral row of ridges. ABDOMEN: Dorsal scutum absent. Epigastric scutum without lateral joints, dorsal portion above pedicel with transverse ridge. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Dorsal view: anterior sclerite surrounding long, horseshoe-shaped opening, occupying most of epigynal length.
Scaphiella tuxtla, female carapace, dorsal view (image by ND, specimen ID: ---29860)

Scaphtuxtlfpcard29860ND.tif

Scaphiella tuxtla, female carapace, lateral view (image by ND, specimen ID: ---29860)

Scaphtuxtlfpcarl29860ND.tif

Scaphiella tuxtla, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---29860)

Scaphtuxtlfpepiv29860ND.tif

Scaphiella tuxtla, female habitus, anterior view (image by ND, specimen ID: ---29860)

Scaphtuxtlfphaba29860ND.tif

Scaphiella tuxtla, female habitus, dorsal view (image by ND, specimen ID: ---29860)

Scaphtuxtlfphabd29860ND.tif

Scaphiella tuxtla, female habitus, lateral view (image by ND, specimen ID: ---29860)

Scaphtuxtlfphabl29860ND.tif

Scaphiella tuxtla, female habitus, ventral view (image by ND, specimen ID: ---29860)

Scaphtuxtlfphabv29860ND.tif

Scaphiella tuxtla, female internal female genitalia, dorsal view (image by ND, specimen ID: ---29857)

Scaphtuxtlfpifgd29857ND.tif

Scaphiella tuxtla, female internal female genitalia, ventral view (image by ND, specimen ID: ---29857)

Scaphtuxtlfpifgv29857ND.tif

Scaphiella tuxtla, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---29857)

Scaphtuxtlfsepiv29857ND.tif

Scaphiella tuxtla, female internal female genitalia, dorsal view (image by ND, specimen ID: ---29857)

Scaphtuxtlfsifgd29857ND.tif

 

DISTRIBUTION

MEXICO
Scaphiella tuxtla 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 Scaphiella tuxtla, 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 00029860  MEXICO  Chiapas  None or Unknown  plateau 6 mi S Tuxtla Gutierrez  2 Adult Male  Holotype    16.70000; -93.11667    21 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00029857  MEXICO  Chiapas  None or Unknown  5 mi NE Chiapa, hillside  5 Adult Female      16.75000; -92.96667  hillside  22 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00000291  MEXICO  Chiapas  None or Unknown  Coapilla 2.5km NW junction roads Tapalapa/Ocotepec  1 Adult Female    1960  17.28500; -93.22472  dry oak forest, litter  26 May 2008  R. Anderson  MCZ 
PBI_OON 00000290  MEXICO  Chiapas  None or Unknown  5km NE Coapilla  1 Adult Female    1990  17.29888; -93.22277  secondary mesophyll forest  25 May 2008  unknown  MCZ 
PBI_OON 00029860  MEXICO  Chiapas  None or Unknown  plateau 6 mi S Tuxtla Gutierrez  1 Adult Female      16.70000; -93.11667  secondary mesophyll forest  21 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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