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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Pescennina viquezi       Get publication



            Male (PBI_OON 565). Total length 1.40. CEPHALOTHORAX: Carapace orange-brown, 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 finely reticulate, sides finely reticulate, thorax without depressions, fovea absent, with marginal dark stripe, dark markings behind eyes, submarginally at sides, and along midline of pars thoracica, 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 more than their 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, orange-brown, 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, sternum with scattered dark markings; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow-brown. 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: constricted in middle, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly. 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, brown, 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, gray, anterior portion with vague traces of lighter markings, distinct white transverse band at about half of length. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, yellow-brown, 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. 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 femora I, II with subbasal prolateral darkening and ventral dark stripe, III, IV with prolateral and retrolateral dark stripes everywhere except base, patellae with ventral darkenings, tibiae iV with prolateral and retrolateral dark stripes everywhere except base. 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 brown; embolus light, prolateral excavation absent, base with long, sinuous, spiniform retrolateral projection, almost entire length of embolus in same plane as base; 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 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 brown, 1 to 1.5 times as long as cymbium, stout, tapering apically.
Pescennina viquezi, male embolus, dorsal view (image by ND, specimen ID: ---00566)

Pesceviquemsembd00566ND.tif

Pescennina viquezi, male abdomen, ventral view (image by ND, specimen ID: ---00566)

Pesceviquempabdv00566ND.tif

Pescennina viquezi, male carapace, dorsal view (image by ND, specimen ID: ---00566)

Pesceviquempcard00566ND.tif

Pescennina viquezi, male carapace, lateral view (image by ND, specimen ID: ---00566)

Pesceviquempcarl00566ND.tif

Pescennina viquezi, male habitus, anterior view (image by ND, specimen ID: ---00566)

Pesceviquemphaba00566ND.tif

Pescennina viquezi, male habitus, dorsal view (image by ND, specimen ID: ---00566)

Pesceviquemphabd00566ND.tif

Pescennina viquezi, male habitus, lateral view (image by ND, specimen ID: ---00566)

Pesceviquemphabl00566ND.tif

Pescennina viquezi, male habitus, ventral view (image by ND, specimen ID: ---00566)

Pesceviquemphabv00566ND.tif

Pescennina viquezi, male sternum, ventral view (image by ND, specimen ID: ---00566)

Pesceviquempstev00566ND.tif

Pescennina viquezi, male bulb, prolateral view (image by ND, specimen ID: ---00566)

Pesceviquempbulp00566ND.tif

Pescennina viquezi, male bulb, retrolateral view (image by ND, specimen ID: ---00566)

Pesceviquempbulr00566ND.tif

Pescennina viquezi, male palp, prolateral view (image by ND, specimen ID: ---00566)

Pesceviquemppalp00566ND.tif

Pescennina viquezi, male palp, retrolateral view (image by ND, specimen ID: ---00566)

Pesceviquemppalr00566ND.tif


            Female (PBI_OON 565). Total length 1.58. As in male except as noted. CEPHALOTHORAX: Carapace with marginal dark stripe, dark markings behind eyes, submarginally at sides, and along midline of pars thoracica. Sternum sternum with scattered dark markings; ventral pedicel sclerite separated from sternum by narrow sliver of unsclerotized cuticle. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: dorsum soft portions dorsum dark purplish gray with pair of elongated, paramedian anterior white spots reaching almost to median white spot situated at about half of abdomen length; two lateral white spots situated anteriorly of median spot, almost connected laterally to transverse, procurved white stripe situated at about three-fourths of abdomen length; posterior portion with subterminal transverse light purple 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, short, only around epigastric furrow, not fused to epigastric scutum. Interscutal membrane with setae. LEGS: femora femora I, II with subbasal prolateral darkening and ventral dark stripe, III, IV with prolateral and retrolateral dark stripes everywhere except base, patellae with ventral darkenings, tibiae i-III with weak ventral darkenings, IV with prolateral and retrolateral dark stripes everywhere except base. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: anterior genitalic ducts highly coiled around relatively narrow, laterally unexpanded ventral lobe. Ventral view: posterior receptaculum ovoid, occupying about half length of apodemes.
Pescennina viquezi, female abdomen, ventral view (image by ND, specimen ID: ---00566)

Pesceviquefpabdv00566ND.tif

Pescennina viquezi, female habitus, anterior view (image by ND, specimen ID: ---00566)

Pesceviquefphaba00566ND.tif

Pescennina viquezi, female habitus, dorsal view (image by ND, specimen ID: ---00566)

Pesceviquefphabd00566ND.tif

Pescennina viquezi, female habitus, lateral view (image by ND, specimen ID: ---00566)

Pesceviquefphabl00566ND.tif

Pescennina viquezi, female habitus, ventral view (image by ND, specimen ID: ---00566)

Pesceviquefphabv00566ND.tif

Pescennina viquezi, female internal female genitalia, dorsal view (image by ND, specimen ID: ---00566)

Pesceviquefpifgd00566ND.tif

Pescennina viquezi, female internal female genitalia, ventral view (image by ND, specimen ID: ---00566)

Pesceviquefpifgv00566ND.tif

Pescennina viquezi, female carapace, dorsal view (image by ND, specimen ID: ---00566)

Pesceviquefpcard00566ND.tif

Pescennina viquezi, female carapace, lateral view (image by ND, specimen ID: ---00566)

Pesceviquefpcarl00566ND.tif

Pescennina viquezi, female sternum, ventral view (image by ND, specimen ID: ---00566)

Pesceviquefpstev00566ND.tif

 

DISTRIBUTION

COSTA RICA
Pescennina viquezi 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 Pescennina viquezi, 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 00000565  COSTA RICA  Heredia    Puente de Mulas, Rio Virilla, San Antonio de Belen  1 Adult Female  Holotype  866  9.97275; -84.18378  remnant semi-dry forest, litter near stream  23 Jun 2010  C. Viquez, M. Solis  INBIO 
PBI_OON 00000566  COSTA RICA  Heredia    Puente de Mulas, Rio Virilla, San Antonio de Belen  1 Adult Female    866  9.97275; -84.18378  remnant semi-dry forest, litter near stream  23 Jun 2010  C. Viquez, M. Solis  INBIO 
PBI_OON 00000566  COSTA RICA  Heredia    Puente de Mulas, Rio Virilla, San Antonio de Belen  1 Adult Male    866  9.97275; -84.18378  remnant semi-dry forest, litter near stream  23 Jun 2010  C. Viquez, M. Solis  INBIO 
PBI_OON 00000565  COSTA RICA  Heredia    Puente de Mulas, Rio Virilla, San Antonio de Belen  1 Adult Male    866  9.97275; -84.18378  remnant semi-dry forest, litter near stream  23 Jun 2010  C. Viquez, M. Solis  INBIO 
PBI_OON 00001775  COSTA RICA  San Jose    San Jose  1 Adult Female      9.93330; -84.08330  remnant semi-dry forest, litter near stream    E. Schmidt  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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