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OONOPIDAE SPECIES DESCRIPTION
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Pescennina sasaima       Get publication



            Male (PBI_OON 46492). Total length 1.74. CEPHALOTHORAX: Carapace orange-brown, without any pattern, elongate oval in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with angular 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 striated, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, with sharply pointed 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 dark, needle-like. Clypeus margin slightly 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, ALE largest, ALE oval, PME circular, PLE oval; posterior eye row straight from above, procurved from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME separated by less than their radius, PLE-PME separated by more than PME diameter. Sternum longer than wide, pale orange, uniform, not 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 everywhere but front, sickle-shaped structures absent, anterior margin with interrupted 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 indented extensions between coxae, 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 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 short inter-digitating setae, distal region abruptly narrowed, 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; 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 stout projection (Brignolia type), posteromedian part unmodified, same as sternum in sclerotization. ABDOMEN: without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly, dorsal scutum deeply depressed immediately behind anterior margin; dorsum soft portions white, without color pattern. Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, 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, orange-brown, without color pattern, covering more than 3/4 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, 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. 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 long setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane without setae. Colulus absent. LEGS: yellow; 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, femora i, II with basal darkening on prolateral surface, longitudinal darkening on ventral surface; III, IV with basal portion unmarked but with prolateral and retrolateral sides darkened, patellae iV distally darkened, tibiae iII, IV ventrally darkened. 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 large, oval, situated in front 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-brown; embolus light, prolateral excavation absent, base with two distal processes, more retrolateral process much wider than other; 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-brown, 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-brown, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Pescennina sasaima, male abdomen, ventral view (image by ND, specimen ID: ---46492)

Pescesasaimpabdv46492ND.tif

Pescennina sasaima, male carapace, dorsal view (image by ND, specimen ID: ---46492)

Pescesasaimpcard46492ND.tif

Pescennina sasaima, male carapace, lateral view (image by ND, specimen ID: ---46492)

Pescesasaimpcarl46492ND.tif

Pescennina sasaima, male habitus, anterior view (image by ND, specimen ID: ---46492)

Pescesasaimphaba46492ND.tif

Pescennina sasaima, male habitus, dorsal view (image by ND, specimen ID: ---46492)

Pescesasaimphabd46492ND.tif

Pescennina sasaima, male habitus, lateral view (image by ND, specimen ID: ---46492)

Pescesasaimphabl46492ND.tif

Pescennina sasaima, male habitus, ventral view (image by ND, specimen ID: ---46492)

Pescesasaimphabv46492ND.tif

Pescennina sasaima, male sternum, ventral view (image by ND, specimen ID: ---46492)

Pescesasaimpstev46492ND.tif

Pescennina sasaima, male embolus, dorsal view (image by ND, specimen ID: ---46492)

Pescesasaimsembd46492ND.tif

Pescennina sasaima, male embolus, prolateral view (image by ND, specimen ID: ---46492)

Pescesasaimpembp46492ND.tif

Pescennina sasaima, male embolus, retrolateral view (image by ND, specimen ID: ---46492)

Pescesasaimpembr46492ND.jpg

Pescennina sasaima, male palp, prolateral view (image by ND, specimen ID: ---46492)

Pescesasaimppalp46492ND.tif

Pescennina sasaima, male palp, retrolateral view (image by ND, specimen ID: ---46492)

Pescesasaimppalr46492ND.tif


            Female (PBI_OON 40898). Total length 1.80. As in male except as noted. CEPHALOTHORAX: Sternum unsclerotized strip narrow but present. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: constricted in middle; dorsum soft portions dorsum gray with almost complete anterior transverse white strip, followed posteriorly by two lateral white stripes, then large median white spot, posteriorly with wide, procurved, transverse white stripe. Pedicel tube short, unmodified, scutum not extending far dorsal of pedicel. Dorsal scutum absent. Epigastric scutum weakly sclerotized, without lateral joints. Postepigastric scutum weakly sclerotized, yellow-brown, short, only around epigastric furrow, not fused to epigastric scutum. LEGS: femora i, II with basal darkening on prolateral surface, longitudinal darkening on ventral surface; III, IV with basal portion unmarked but with prolateral and retrolateral sides darkened, patellae iV distally darkened, tibiae iV ventrally darkened. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: anterior ducts with transverse bar scarcely expanded at sides, most central coil extending posterior of thickened bar connecting apodemes. Dorsal view: posterior receptaculum relatively small, occupying only central portion of space between apodemes.
Pescennina sasaima, female abdomen, ventral view (image by ND, specimen ID: ---40898)

Pescesasaifpabdv40898ND.tif

Pescennina sasaima, female carapace, dorsal view (image by ND, specimen ID: ---40898)

Pescesasaifpcard40898ND.tif

Pescennina sasaima, female carapace, lateral view (image by ND, specimen ID: ---40898)

Pescesasaifpcarl40898ND.tif

Pescennina sasaima, female habitus, anterior view (image by ND, specimen ID: ---40898)

Pescesasaifphaba40898ND.tif

Pescennina sasaima, female habitus, lateral view (image by ND, specimen ID: ---40898)

Pescesasaifphabl40898ND.tif

Pescennina sasaima, female habitus, ventral view (image by ND, specimen ID: ---40898)

Pescesasaifphabv40898ND.tif

Pescennina sasaima, female internal female genitalia, dorsal view (image by ND, specimen ID: ---40898)

Pescesasaifpifgd40898ND.tif

Pescennina sasaima, female internal female genitalia, ventral view (image by ND, specimen ID: ---40898)

Pescesasaifpifgv40898ND.tif

Pescennina sasaima, female sternum, ventral view (image by ND, specimen ID: ---40898)

Pescesasaifpstev40898ND.tif

 

DISTRIBUTION

COLOMBIA
Pescennina sasaima 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 00046492  COLOMBIA  Cundinamarca    Finca Bella Vista near Sasaima  1 Adult Male  Holotype    4.89806; -74.43694  in open air patio on roof posts  15 Apr 1965  P., D. Craig  CAS 
PBI_OON 00040895  COLOMBIA  Cundinamarca    Cachipay  1 Adult Male    1450  5.27278; -74.57278  litter  24 Feb 2002  H. Pulido  ICN 
PBI_OON 00040898  COLOMBIA  Cundinamarca    near highway below Finca Bella Vista, toward Sasaima  1 Adult Female      4.89806; -74.43694  under stones on steep cliff above highway  17 Apr 1965  P., D. Craig  CAS 
PBI_OON 00040897  COLOMBIA  Valle del Cauca    6 mi W Cali  1 Adult Female      3.42488; -76.61015  under stones on steep cliff above highway  20 Mar 1955  E. Schlinger, E. Ross  CAS 


 
 
 
 
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