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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Paradysderina yanayacu       Get publication



            Male (PBI_OON 579). Total length 1.60. CEPHALOTHORAX: Carapace orange-brown, without any pattern, broadly oval in dorsal view, pars cephalica strongly 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 granulate, sides granulate, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae light, needle-like, present, scattered; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin strongly rebordered, sinuous in front view, vertical in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, light, needle-like. Chilum undivided, small, narrow triangle, fused to clypeus, seam present. Eyes six, well developed, all subequal, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, procurved from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching throughout most of their length, PLE-PME separated by less than PME radius. Sternum wider than long, 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 finely reticulate, without pits, microsculpture everywhere but front, 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 bridges to 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 slightly divergent, anterior face with swelling, paturon deeply excavated, anterior margin of excavated area with three medially directed tubercles, most ventral one largest; promargin without teeth, retromargin with one tooth; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, densest medially; paturon inner margin with pairs of enlarged 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 excavated, serrula present in single row, posteromedian part unmodified, same as sternum in sclerotization, ventral prong wider than dorsal prong, dorsal prong longer than ventral prong. 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 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, pale orange, without color pattern, covering more than 3/4 of abdomen, more than 1/2 to most of abdomen width, 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, almost semicircular, covering about 3/4 of abdominal length, 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. Interscutal membrane with setae. Colulus present. LEGS: pale orange, 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 spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-0-1; tibiae: I v4-4-0; II v3-4-0; metatarsi: I v2-2-1p; II v2-2-0. 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 small, oval, situated at level of posterior spiracles, rebordered; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, prolateral excavation absent, strongly elbowed, tip bifid; trochanter minute, 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, 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, 1 to 1.5 times as long as cymbium, stout, elongated.
Paradysderina yanayacu, male carapace, anterior view (image by ND, specimen ID: ---30607)

Paradyanaympcara30607ND.tif

Paradysderina yanayacu, male carapace, dorsal view (image by ND, specimen ID: ---30607)

Paradyanaympcard30607ND.tif

Paradysderina yanayacu, male endites, ventral view (image by ND, specimen ID: ---30607)

Paradyanaympendv30607ND.tif

Paradysderina yanayacu, male palp, prolateral view (image by ND, specimen ID: ---30607)

Paradyanaymppalp30607ND.tif

Paradysderina yanayacu, male palp, retrolateral view (image by ND, specimen ID: ---30607)

Paradyanaymppalr30607ND.tif

Paradysderina yanayacu, male palp, ventral view (image by ND, specimen ID: ---30607)

Paradyanaymppalv30607ND.tif

Paradysderina yanayacu, male embolus, prolateral view (image by ND, specimen ID: ---30607)

Paradyanaymsembp30607ND.tif

Paradysderina yanayacu, male sternum, ventral view (image by ND, specimen ID: ---30607)

Paradyanaympstev30607ND.tif


            Female (PBI_OON 579). Total length 1.86. As in male except as noted. CEPHALOTHORAX: Chilum small, narrow triangle, fused to clypeus, seam present. Mouthparts: promargin with one tooth. Endites distally not excavated, anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Dorsal scutum absent. Epigastric scutum without lateral joints. Postepigastric scutum short, only around epigastric furrow, seam present between lateral edge of posterior spiracle and lateral margin of scutum. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-0-2; II p0-0-1; tibiae: I v4-4-1p; II v3-4-1p; metatarsi: I, II v2-2-1p. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: atrium with elevated anterior ridge, posterior margin of atrium rebordered. Ventral view: long, narrow, distally expanded anterior process orginating from short, wide, triangular base.
Paradysderina yanayacu, female abdomen, lateral view (image by ND, specimen ID: ---30607)

Paradyanayfpabdl30607ND.tif

Paradysderina yanayacu, female abdomen, ventral view (image by ND, specimen ID: ---30607)

Paradyanayfpabdv30607ND.tif

Paradysderina yanayacu, female carapace, anterior view (image by ND, specimen ID: ---30607)

Paradyanayfpcara30607ND.tif

Paradysderina yanayacu, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---30607)

Paradyanayfpepiv30607ND.jpg

Paradysderina yanayacu, female internal female genitalia, dorsal view (image by ND, specimen ID: ---30607)

Paradyanayfpifgd30607ND.tif

Paradysderina yanayacu, female internal female genitalia, ventral view (image by ND, specimen ID: ---30607)

Paradyanayfpifgv30607ND.tif

 

DISTRIBUTION

ECUADOR
Paradysderina yanayacu 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 Paradysderina yanayacu, 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 00030582  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  4 Adult Female    2140  -0.58813; -77.88428  litter  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00030570  ECUADOR  Napo    Sacha Wagra Lodge, Rio Hollin, 10 km from Archidona  1 Adult Male    730  -0.95905; -77.74686  humid forest, karstiques rocks  29 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00000580  ECUADOR  Napo    Yanayacu biological station, Rio Perdido trail  1 Adult Female    2085  -0.60826; -77.88245  humid forest, karstiques rocks  26 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00000581  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  7 Adult Female    2140  -0.58813; -77.88428  humid forest, karstiques rocks  25 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00043144  ECUADOR  Napo    Yanayacu biological station  1 Adult Male    2144  -0.59925; -77.89046  humid forest, karstiques rocks  25 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00030562  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  1 Adult Female    2140  -0.58813; -77.88428  humid forest, karstiques rocks  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00030635  ECUADOR  Napo    Yanayacu biological station  1 Adult Female    2144  -0.59925; -77.89046  cloud forest with bamboo  25 Nov 2009  Niarchos expedition, B. Baehr  AMNH 
PBI_OON 00030607  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  1 Adult Male    2140  -0.58813; -77.88428  litter  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00000581  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  1 Adult Male    2140  -0.58813; -77.88428  litter  25 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00030842  ECUADOR  Napo    Yanayacu biological station, stream trail  1 Adult Male    2130  -0.59925; -77.89051  litter  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00000656  ECUADOR  Napo    Antisana Reserve road, 6.1 km SW Cosanga  1 Adult Male    2250  -0.62126; -77.90715  montane evergreen, forest litter  06 Nov 1999  R. Anderson  AMNH 
PBI_OON 00030562  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  1 Adult Male    2140  -0.58813; -77.88428  montane evergreen, forest litter  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00030616  ECUADOR  Napo    Yanayacu biological station, stream trail  2 Adult Male    2130  -0.59925; -77.89051  leaf litter and root mat  24 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00030603  ECUADOR  Napo    Yanayacu biological station, stream trail  1 Adult Male    2130  -0.59925; -77.89051  leaf litter and root mat  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00000579  ECUADOR  Napo    Yanayacu biological station, Rio Perdido trail  1 Adult Female  Allotype  2085  -0.60826; -77.88245  leaf litter and root mat  26 Nov 2009  Niarchos Expedition  QCAZ 
PBI_OON 00000583  ECUADOR  Napo    Yanayacu biological station, stream trail  4 Adult Female    2130  -0.59925; -77.89051  leaf litter and root mat  24 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00046489  ECUADOR  Napo    Yanayacu biological station  1 Adult Female    2144  -0.59925; -77.89046  litter  30 Nov 2009  P. Michalik  AMNH 
PBI_OON 00030625  ECUADOR  Napo    Yanayacu biological station, stream trail  2 Adult Female    2130  -0.59925; -77.89051  litter  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00030609  ECUADOR  Napo    Yanayacu biological station, stream trail  1 Adult Male    2130  -0.59925; -77.89051  litter  25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00000579  ECUADOR  Napo    Yanayacu biological station, Rio Perdido trail  1 Adult Male  Holotype  2085  -0.60826; -77.88245  litter  26 Nov 2009  Niarchos Expedition  QCAZ 
PBI_OON 00000582  ECUADOR  Napo    Yanayacu biological station  6 Adult Female    2144  -0.59925; -77.89046  litter  26 Nov 2009  Niarchos Expedition  AMNH 
PBI_OON 00000584  ECUADOR  Napo    Yanayacu biological station  1 Adult Male    2144  -0.59925; -77.89046  litter  30 Nov 2009  P. Michalik  AMNH 


 
 
 
 
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