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OONOPIDAE SPECIES DESCRIPTION
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Scaphioides hoffi       Get publication



            Male (PBI_OON 362). Total length 1.11. CEPHALOTHORAX: Carapace pale orange, without any pattern, elongated hexagonal in dorsal view, pars cephalica flat in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, 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, thorax without depressions, fovea absent, without radiating rows of pits, with both tubercles and reticulating ridges; lateral margin straight, smooth, with blunt denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae dark, needle-like, present in u-shaped row; non-marginal pars thoracica setae dark, needle-like; marginal setae dark, needle-like. Clypeus margin strongly rebordered, straight in front view, sloping forward 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, all subequal, ALE circular, PME squared, PLE circular; posterior eye row recurved from above, procurved from front; ALE separated by less than their radius, 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 with rows of small pits, radial furrow opposite coxae III absent, surface smooth, covered with small round pits, microsculpture everywhere but middle, sickle-shaped structures absent, anterior margin with continuous transverse groove, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, anterior corner unmodified, lateral margin with infra-coxal grooves and anterior and posterior openings, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins with 3 pairs of lateral projections, without posterior hump; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow. 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, densest medially; paturon inner margin with short inter-digitating setae, distal region unmodified, posterior surface unmodified, promargin with row of flattened setae, 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, posteromedian part unmodified, same as sternum in sclerotization, with rounded 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 connected by groove. Pedicel tube short, unmodified, 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 absent. Epigastric scutum weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, yellow, short, only around epigastric furrow, not fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes. Spinneret scutum absent. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Dense patch of setae anterior to spinnerets absent. Colulus represented only by setae. LEGS: yellow, 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 spines absent. 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 not visible; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus light, prolateral excavation absent, ventral portion jaw-shaped in prolateral view; 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 not examined; cymbium yellow, ovoid in dorsal view, fused with bulb but with clearly defined seam between, 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, spherical.
Scaphioides hoffi, male carapace, dorsal view (image by ND, specimen ID: ---00362)

Sideshoffimpcard00362ND.tif

Scaphioides hoffi, male palp, prolateral view (image by ND, specimen ID: ---00362)

Sideshoffimppalp00362ND.tif

Scaphioides hoffi, male palp, retrolateral view (image by ND, specimen ID: ---00362)

Sideshoffimppalr00362ND.tif

Scaphioides hoffi, male carapace, dorsal view (image by ND, specimen ID: ---00362)

Sideshoffimscard00362ND.tif

Scaphioides hoffi, male embolus, prolateral view (image by ND, specimen ID: ---00362)

Sideshoffimsembp00362ND.tif

Scaphioides hoffi, male embolus, retrolateral view (image by ND, specimen ID: ---00362)

Sideshoffimsembr00362ND.tif

Scaphioides hoffi, male sternum, ventral view (image by ND, specimen ID: ---00362)

Sideshoffimsstev00362ND.tif

Scaphioides hoffi, male embolus, prolateral view (image by ND, specimen ID: ---00363)

Sideshoffimpembp00363ND.tif

Scaphioides hoffi, male embolus, retrolateral view (image by ND, specimen ID: ---00363)

Sideshoffimpembr00363ND.tif

Scaphioides hoffi, male embolus, prolateral view (image by ND, specimen ID: ---00362)

Sideshoffimpembp00362ND.tif

Scaphioides hoffi, male embolus, retrolateral view (image by ND, specimen ID: ---00362)

Sideshoffimpembr00362ND.tif


            Female (PBI_OON 364). Total length 1.25. As in male except as noted. CEPHALOTHORAX: Carapace with both tubercles and reticulating ridges. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum without lateral joints. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Dorsal view: anterior genitalic process relatively wide, with irregular tip, situated on oval base.
Scaphioides hoffi, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---00364)

Sideshoffifpepiv00364ND.tif

Scaphioides hoffi, female internal female genitalia, dorsal view (image by ND, specimen ID: ---00364)

Sideshoffifpifgd00364ND.tif

Scaphioides hoffi, female internal female genitalia, ventral view (image by ND, specimen ID: ---00364)

Sideshoffifpifgv00364ND.tif

Scaphioides hoffi, female sternum, ventral view (image by ND, specimen ID: ---00364)

Sideshoffifsstev00364ND.tif

 

DISTRIBUTION

JAMAICA
Scaphioides hoffi 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 Scaphioides hoffi, 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 00000363  JAMAICA  Saint Andrew    Long Mountain, NW part  1 Adult Male      17.96000; -76.74983  ground litter under agave  08 May 1956  C. Hoff  MCZ 
PBI_OON 00027175  JAMAICA  Saint Catherine    Guanaboa Vale  1 Adult Female      18.03330; -77.06670  ground litter under agave  04 Dec 1957  A. Chickering  MCZ 
PBI_OON 00000365  JAMAICA  Saint Catherine    2 mi NW of Ferry  1 Adult Male      18.03640; -76.99420  woods, moist bark of tree  17 May 1956  C. Hoff  MCZ 
PBI_OON 00000360  JAMAICA  Saint Thomas    Morant Point  1 Adult Male  Holotype    17.88892; -76.38992  debris in arils of thatch and leaves  06 May 1956  C. Hoff  MCZ 
PBI_OON 00000362  JAMAICA  Saint Thomas    Morant Point  2 Adult Male  Paratype    17.88892; -76.38992  debris in leaf arils of thatch palms  06 May 1956  C. Hoff  MCZ 
PBI_OON 00000361  JAMAICA  Saint Thomas    Morant Point, Mammee Bay  1 Adult Female  Paratype    17.88892; -76.38992  palm debris on ground  14 Oct 1957  C. Hoff  MCZ 
PBI_OON 00000366  JAMAICA  Saint Thomas    Lyssons  1 Adult Male      17.87783; -76.35795  palm debris on ground  15 Mar 1955  A. Nadler  AMNH 
PBI_OON 00000364  JAMAICA  Trelawny Parish    14 miles E of Falmouth  2 Adult Female  Paratype    18.33448; -77.59987  palm debris on ground  15 May 1956  C. Hoff  MCZ 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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