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OONOPIDAE SPECIES DESCRIPTION
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Niarchos palenque       Get publication



            Male (PBI_OON 37749). Total length 1.17. CEPHALOTHORAX: Carapace orange, without any pattern, elongate oval 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 with slightly sclerotized triangular projections, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides finely reticulate, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, smooth, without 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 dark, needle-like. Clypeus margin slightly rebordered, curved downwards in front view, vertical in lateral view, low, ALE separated from edge of carapace by less than their radius, median projection absent; setae present, dark, needle-like. Chilum absent. Eyes six, reduced, tiny, posterior eyes reduced in size, much smaller than anterior laterals, ALE largest, all eyes 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 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 smooth, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture covering entire surface, sickle-shaped structures absent, anterior margin unmodified, 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 present, lateral margins unmodified, 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 with swelling; 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 scattered setae, distal region abruptly narrowed, posterior surface unmodified, promargin unmodified, 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, anteromedian tip with one pair of backward pointing spines, posteromedian part unmodified, same as sternum in sclerotization, anteromedian projections narrow, distally situated, directed ventrally. ABDOMEN: cylindrical, 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, 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 finely reticulate, sides finely reticulate, anterior half without projecting denticles, narrowed anteriorly. Epigastric scutum weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, pale orange, long, almost rectangular, covering about 2/3 of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring, consisting of single fused plate anterior of spinnerets. 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 with setae. Colulus absent. 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): tibiae: IV v0-0-2. 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 anterior spiracles, unmodified; 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, relatively short, distal portion translucent; 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 about as long as femur, slightly larger than femur, without prolateral row of ridges, setae unmodified; tibia trichobothria not examined; cymbium pale orange, 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 pale orange, 1 to 1.5 times as long as cymbium, stout, elongated.
Niarchos palenque, male carapace, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmpcard37749ND.tif

Niarchos palenque, male carapace, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmpcarl37749ND.tif

Niarchos palenque, male habitus, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmphaba37749ND.tif

Niarchos palenque, male habitus, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmphabd37749ND.tif

Niarchos palenque, male habitus, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmphabl37749ND.tif

Niarchos palenque, male habitus, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmphabv37749ND.tif

Niarchos palenque, male palp, prolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmppalp37749ND.tif

Niarchos palenque, male palp, retrolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmppalr37749ND.tif

Niarchos palenque, male palp, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmppalv37749ND.tif

Niarchos palenque, male sternum, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmpstev37749ND.tif

Niarchos palenque, male abdomen, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsabdd37749ND.tif

Niarchos palenque, male ALS, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmsalsa37749ND.tif

Niarchos palenque, male carapace, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmscara37749ND.tif

Niarchos palenque, male carapace, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmscard37749ND.tif

Niarchos palenque, male carapace, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmscarl37749ND.tif

Niarchos palenque, male chelicerae, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmschea37749ND.tif

Niarchos palenque, male chelicerae, posterior view (image by ND, specimen ID: ---37749)

Niarcpalenmschet37749ND.tif

Niarchos palenque, male chelicerae, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmschev37749ND.tif

Niarchos palenque, male claws, leg II, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmscl2a37749ND.tif

Niarchos palenque, male claws, leg II, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmscl2l37749ND.tif

Niarchos palenque, male claws, leg III, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmscl3l37749ND.tif

Niarchos palenque, male claws, leg IV, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmscl4a37749ND.tif

Niarchos palenque, male embolus, prolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmsembp37749ND.tif

Niarchos palenque, male embolus, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmsembv37749ND.tif

Niarchos palenque, male endites, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsendd37749ND.tif

Niarchos palenque, male endites, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmsendv37749ND.tif

Niarchos palenque, male fang base, modified setae, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmsfasa37749ND.tif

Niarchos palenque, male habitus, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmshabd37749ND.tif

Niarchos palenque, male habitus, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmshabl37749ND.tif

Niarchos palenque, male palp, prolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmspalp37749ND.tif

Niarchos palenque, male palp, retrolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmspalr37749ND.tif

Niarchos palenque, male PLS, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmsplsa37749ND.tif

Niarchos palenque, male PMS, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmspmsa37749ND.tif

Niarchos palenque, male palpal tibia, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsptid37749ND.tif

Niarchos palenque, male spinnerets, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmsspia37749ND.tif

Niarchos palenque, male sperm pore, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmsspov37749ND.tif

Niarchos palenque, male sternum, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmsstev37749ND.tif

Niarchos palenque, male tarsal organ, leg II, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsto2d37749ND.tif

Niarchos palenque, male tarsal organ, leg III, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsto3d37749ND.tif

Niarchos palenque, male trichobothrium, tibia II, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmstt2d37749ND.tif

Niarchos palenque, male tarsal organ, leg IV, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsto4d37749ND.tif

Niarchos palenque, male tarsal organ, leg I, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmsto1d37749ND.tif

Niarchos palenque, male tarsal organ, palp, dorsal view (image by ND, specimen ID: ---37749)

Niarcpalenmstopd37749ND.tif

Niarchos palenque, male claws, leg I, anterior view (image by ND, specimen ID: ---37749)

Niarcpalenmscl1a37749ND.tif

Niarchos palenque, male metatarsus III, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmsme3l37749ND.tif

Niarchos palenque, male metatarsus IV, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmsme4l37749ND.tif

Niarchos palenque, male serrula, ventral view (image by ND, specimen ID: ---37749)

Niarcpalenmsserv37749ND.tif

Niarchos palenque, male tibia III, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmsti3l37749ND.tif

Niarchos palenque, male tibia IV, lateral view (image by ND, specimen ID: ---37749)

Niarcpalenmsti4l37749ND.tif

Niarchos palenque, male embolus, prolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmpembp37749ND.tif

Niarchos palenque, male embolus, retrolateral view (image by ND, specimen ID: ---37749)

Niarcpalenmpembr37749ND.tif


            Female (PBI_OON 37830). Total length 1.41. As in male except as noted. CEPHALOTHORAX: Eyes posterior eyes reduced in size, much smaller than anterior laterals. Sternum sternum followed posteriorly by small ventral pedicel sclerite. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Pedicel unmodified, scutum not extending far dorsal of pedicel. Dorsal scutum absent. Epigastric scutum not surrounding pedicel, without lateral joints. Postepigastric scutum yellow, short, only around epigastric furrow, not fused to epigastric scutum, with short posteriorly directed lateral apodemes. Spinneret scutum consisting of single fused plate anterior of spinnerets. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): tibiae: IV v0-0-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: internal sclerotizations visible externally in weakly sclerotized area between epigastric and postepigastric scutum.
Niarchos palenque, female abdomen, ventral view (image by ND, specimen ID: ---37834)

Niarcpalenfpabdv37834ND.tif

Niarchos palenque, female carapace, anterior view (image by ND, specimen ID: ---37834)

Niarcpalenfpcara37834ND.tif

Niarchos palenque, female carapace, dorsal view (image by ND, specimen ID: ---37834)

Niarcpalenfpcard37834ND.tif

Niarchos palenque, female carapace, lateral view (image by ND, specimen ID: ---37834)

Niarcpalenfpcarl37834ND.tif

Niarchos palenque, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---37834)

Niarcpalenfpepiv37834ND.tif

Niarchos palenque, female habitus, dorsal view (image by ND, specimen ID: ---37834)

Niarcpalenfphabd37834ND.tif

Niarchos palenque, female internal female genitalia, dorsal view (image by ND, specimen ID: ---37834)

Niarcpalenfpifgd37834ND.tif

Niarchos palenque, female internal female genitalia, ventral view (image by ND, specimen ID: ---37834)

Niarcpalenfpifgv37834ND.tif

Niarchos palenque, female sternum, ventral view (image by ND, specimen ID: ---37834)

Niarcpalenfpstev37834ND.tif

Niarchos palenque, female ALS, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfsalsa10201ND.tif

Niarchos palenque, female chelicerae, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfschea10201ND.tif

Niarchos palenque, female chelicerae, posterior view (image by ND, specimen ID: ---10201)

Niarcpalenfschet10201ND.tif

Niarchos palenque, female claws, leg I, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfscl1a10201ND.tif

Niarchos palenque, female claws, leg I, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfscl1l10201ND.tif

Niarchos palenque, female claws, leg II, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfscl2a10201ND.tif

Niarchos palenque, female claws, leg III, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfscl3a10201ND.tif

Niarchos palenque, female claws, leg III, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfscl3l10201ND.tif

Niarchos palenque, female claws, leg IV, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfscl4d10201ND.tif

Niarchos palenque, female claws, leg IV, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfscl4l10201ND.tif

Niarchos palenque, female endites, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsendd10201ND.tif

Niarchos palenque, female endites, ventral view (image by ND, specimen ID: ---10201)

Niarcpalenfsendv10201ND.tif

Niarchos palenque, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---10201)

Niarcpalenfsepiv10201ND.tif

Niarchos palenque, female internal female genitalia, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsifgd10201ND.tif

Niarchos palenque, female palp, prolateral view (image by ND, specimen ID: ---10201)

Niarcpalenfspalp10201ND.tif

Niarchos palenque, female palp, retrolateral view (image by ND, specimen ID: ---10201)

Niarcpalenfspalr10201ND.tif

Niarchos palenque, female PLS, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfsplsa10201ND.tif

Niarchos palenque, female PMS, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfspmsa10201ND.tif

Niarchos palenque, female palpal tibia, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsptid10201ND.tif

Niarchos palenque, female serrula, ventral view (image by ND, specimen ID: ---10201)

Niarcpalenfsserv10201ND.tif

Niarchos palenque, female spinnerets, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfsspia10201ND.tif

Niarchos palenque, female sternum, ventral view (image by ND, specimen ID: ---10201)

Niarcpalenfsstev10201ND.tif

Niarchos palenque, female tarsal organ, leg I, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsto1d10201ND.tif

Niarchos palenque, female tarsal organ, palp, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfstopd10201ND.tif

Niarchos palenque, female carapace, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfscard10201ND.tif

Niarchos palenque, female carapace, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfscarl10201ND.tif

Niarchos palenque, female habitus, anterior view (image by ND, specimen ID: ---10201)

Niarcpalenfshaba10201ND.tif

Niarchos palenque, female habitus, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfshabd10201ND.tif

Niarchos palenque, female habitus, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfshabl10201ND.tif

Niarchos palenque, female metatarsus III, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfsme3l10201ND.tif

Niarchos palenque, female metatarsus IV, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfsme4l10201ND.tif

Niarchos palenque, female tibia III, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfsti3l10201ND.tif

Niarchos palenque, female tibia IV, lateral view (image by ND, specimen ID: ---10201)

Niarcpalenfsti4l10201ND.tif

Niarchos palenque, female tarsal organ, leg IV, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsto4d10201ND.tif

Niarchos palenque, female tarsal organ, leg II, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsto2d10201ND.tif

Niarchos palenque, female tarsal organ, leg III, dorsal view (image by ND, specimen ID: ---10201)

Niarcpalenfsto3d10201ND.tif

 

DISTRIBUTION

ECUADOR
Niarchos palenque 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 Niarchos palenque, 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 00037830  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  1 Adult Female    700  -0.68400; -79.15631  forest litter  18 Jun 1975  S., J. Peck  FMNH 
PBI_OON 00037749  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  1 Adult Male  Holotype  700  -0.68400; -79.15631  forest litter  18 Jun 1975  S., J. Peck  FMNH 
PBI_OON 00010201  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  1 Adult Male    700  -0.68400; -79.15631  litter  18 Jun 1975  S., J. Peck  FMNH 
PBI_OON 00037834  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  2 Adult Female    260  -0.68400; -79.15631  leaf litter with palm fruit  21 Feb 1976  S. Peck  FMNH 
PBI_OON 00040822  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  2 Adult Female    700  -0.68400; -79.15631  litter  18 Jun 1975  S., J. Peck  AMNH 
PBI_OON 00010201  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  7 Adult Female    213  -0.68400; -79.15631  litter  18 May 1975  S., J. Peck  FMNH 
PBI_OON 00040822  ECUADOR  Los Rios    47 km S Santo Domingo, Rio Palenque Station  2 Adult Male    700  -0.68400; -79.15631  litter  18 Jun 1975  S., J. Peck  AMNH 


 
 
 
 
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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