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OONOPIDAE SPECIES DESCRIPTION
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Scaphiella cayo       Get publication



            Male (PBI_OON_0000293). Total length 1.24. 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 smooth, 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 absent; 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 touching. 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 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 abundant, dark, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified, elaborate macroseta on their inner face; 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 indented at middle, same as sternum in sclerotization; subdistal portion with unmodified setae. Endites distally excavated, posteromedian part unmodified, same as sternum in sclerotization, anteromedian part modified, tiny spine-like tip. 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 not connected by groove. Pedicel tube short, 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, 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 weakly 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, lateral sides of postepigastric scutum smooth. 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 III and IV weak ventral scopula absent. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Stereo 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 yellow; embolus dark, prolateral excavation absent, embolus short and wide; trochanter normal size, unmodified; femur enlarged, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally, greatly expanded; patella shorter than femur, not enlarged, without prolateral row of ridges, setae unmodified; tibia trichobothria with 3 trichobothria; 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, black prolateral macrosetae at the base of the palpal cymbium; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Scaphiella cayo, male abdomen, anterior view (image by ND, specimen ID: ---00293)

Scaphcayo9mpabda00293ND.tif

Scaphiella cayo, male carapace, anterior view (image by ND, specimen ID: ---00293)

Scaphcayo9mpcara00293ND.tif

Scaphiella cayo, male carapace, dorsal view (image by ND, specimen ID: ---00293)

Scaphcayo9mpcard00293ND.tif

Scaphiella cayo, male carapace, lateral view (image by ND, specimen ID: ---00293)

Scaphcayo9mpcarl00293ND.tif

Scaphiella cayo, male habitus, dorsal view (image by ND, specimen ID: ---00293)

Scaphcayo9mphabd00293ND.tif

Scaphiella cayo, male habitus, lateral view (image by ND, specimen ID: ---00293)

Scaphcayo9mphabl00293ND.tif

Scaphiella cayo, male habitus, ventral view (image by ND, specimen ID: ---00293)

Scaphcayo9mphabv00293ND.tif

Scaphiella cayo, male palp, dorsal view (image by ND, specimen ID: ---00293)

Scaphcayo9mppald00293ND.tif

Scaphiella cayo, male palp, retrolateral view (image by ND, specimen ID: ---00293)

Scaphcayo9mppalr00293ND.tif

Scaphiella cayo, male palp, ventral view (image by ND, specimen ID: ---00293)

Scaphcayo9mppalv00293ND.tif

Scaphiella cayo, male palp, prolateral view (image by ND, specimen ID: ---00293)

Scaphcayo9mppalp00293ND.tif


            Female (PBI_OON 294). Total length 1.25. As in male except as noted. CEPHALOTHORAX: Mouthparts: Chelicerae without elaborate macroseta on their inner face. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges, prolateral side of femur with stridulatory files, palpal tarsus without black prolateral macrosetae, presence of the distal patch of setae; tarsal organ with 2 sensilla visible. ABDOMEN: cylindrical. Dorsal scutum absent. Epigastric scutum without lateral joints. Spinneret scutum lateral sides of postepigastric scutum smooth. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Stereo microscope. GENITALIA: Shape: epigynal atrium widely oval with large, rounded anterior sclerite. Dorsal view: lateral apodems short, posterolaterally directed; dorsal extension of anterior sclerite short and thick.
Scaphiella cayo, female carapace, dorsal view (image by ND, specimen ID: ---00294)

Scaphcayo9fpcard00294ND.tif

Scaphiella cayo, female carapace, lateral view (image by ND, specimen ID: ---00294)

Scaphcayo9fpcarl00294ND.tif

Scaphiella cayo, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---00294)

Scaphcayo9fpepiv00294ND.tif

Scaphiella cayo, female habitus, anterior view (image by ND, specimen ID: ---00294)

Scaphcayo9fphaba00294ND.tif

Scaphiella cayo, female habitus, dorsal view (image by ND, specimen ID: ---00294)

Scaphcayo9fphabd00294ND.tif

Scaphiella cayo, female habitus, lateral view (image by ND, specimen ID: ---00294)

Scaphcayo9fphabl00294ND.tif

Scaphiella cayo, female habitus, ventral view (image by ND, specimen ID: ---00294)

Scaphcayo9fphabv00294ND.tif

Scaphiella cayo, female chelicerae, anterior view (image by ND, specimen ID: ---00294)

Scaphcayo9fschea00294ND.tif

Scaphiella cayo, female chelicerae, posterior view (image by ND, specimen ID: ---00294)

Scaphcayo9fschet00294ND.tif

Scaphiella cayo, female fang, anterior view (image by ND, specimen ID: ---00294)

Scaphcayo9fsfana00294ND.tif

Scaphiella cayo, female fang, posterior view (image by ND, specimen ID: ---00294)

Scaphcayo9fsfant00294ND.tif

Scaphiella cayo, female palp, prolateral view (image by ND, specimen ID: ---00294)

Scaphcayo9fspalp00294ND.tif

Scaphiella cayo, female palp, retrolateral view (image by ND, specimen ID: ---00294)

Scaphcayo9fspalr00294ND.tif

Scaphiella cayo, female palpal tarsus, dorsal view (image by ND, specimen ID: ---00294)

Scaphcayo9fsptad00294ND.tif

Scaphiella cayo, female palpal tarsus, prolateral view (image by ND, specimen ID: ---00294)

Scaphcayo9fsptap00294ND.tif

Scaphiella cayo, female tarsal organ, palp, dorsal view (image by ND, specimen ID: ---00294)

Scaphcayo9fstopd00294ND.tif

Scaphiella cayo, female internal female genitalia, dorsal view (image by ND, specimen ID: ---00294)

Scaphcayo9fpifgd00294ND.tif

Scaphiella cayo, female internal female genitalia, ventral view (image by ND, specimen ID: ---00294)

Scaphcayo9fpifgv00294ND.tif

 

DISTRIBUTION

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Scaphiella cayo coordinates
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MATERIAL EXAMINED
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PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00000294  BELIZE  Cayo    Caves Branch  1 Adult Female      17.14501; -88.70056  high canopy forest  04 Aug 1972  S., J. Peck  FMNH 
PBI_OON 00000293  BELIZE  Cayo    2.5 mi S Belmopan  1 Adult Male      17.22670; -88.76212  limestone forest litter  04 Aug 1972  S., J. Peck  FMNH 
PBI_OON 00010017  BELIZE  Cayo    2.5 mi S Belmopan  1 Adult Male  Holotype    17.22670; -88.76212  limestone forest litter  04 Aug 1972  S., J. Peck  FMNH 


 
 
 
 
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