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OONOPIDAE SPECIES DESCRIPTION
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Tridysderina yasuni       Get publication



            Male (PBI_OON 30556). Total length 1.80. CEPHALOTHORAX: Chilum fused to clypeus. Sternum with single transverse, procurved ridge opposite front of coxae II, other ridges represented only by paired, parentheses-shaped elevations at sides opposite coxae III and IV. Endites ventral process long, triangular; dorsal process hypertrophied, with anterolaterally directed spur at tip. ABDOMEN: Spinneret scutum reduced to sclerotized rim. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-0-2; r1-1-1; tibiae: I v4-4-2; II v4-4-0; metatarsi: I v2-1p-2; II v2-0-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Palp embolus long, distally widened into fan-shaped tip, bent prolaterally at about half its length; conductor large, flattened on both sides.
Tridysderina yasuni, male sternum, ventral view (image by LE, specimen ID: ---30598)

Tridyyasunmpstev30598LE.tif

Tridysderina yasuni, male palp, prolateral view (image by LE, specimen ID: ---30598)

Tridyyasunmppalp30598LE.tif

Tridysderina yasuni, male palp, ventral view (image by LE, specimen ID: ---30598)

Tridyyasunmppalv30598LE.tif

Tridysderina yasuni, male palp, retrolateral view (image by LE, specimen ID: ---30598)

Tridyyasunmppalr30598LE.tif

Tridysderina yasuni, male carapace, anterior view (image by LE, specimen ID: ---15105)

tridyyasunmscara15105LE.tif

Tridysderina yasuni, male carapace, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmscard15105LE.tif

Tridysderina yasuni, male carapace, lateral view (image by LE, specimen ID: ---15105)

tridyyasunmscarl15105LE.tif

Tridysderina yasuni, male claws, leg I, anterior view (image by LE, specimen ID: ---30598)

tridyyasunmscl1a30598LE.tif

Tridysderina yasuni, male claws, leg I, lateral view (image by LE, specimen ID: ---30598)

tridyyasunmscl1l30598LE.tif

Tridysderina yasuni, male claws, leg II, lateral view (image by LE, specimen ID: ---15105)

tridyyasunmscl2l15105LE.tif

Tridysderina yasuni, male claws, leg III, anterior view (image by LE, specimen ID: ---15105)

tridyyasunmscl3a15105LE.tif

Tridysderina yasuni, male claws, leg III, lateral view (image by LE, specimen ID: ---15105)

tridyyasunmscl3l15105LE.tif

Tridysderina yasuni, male claws, leg IV, anterior view (image by LE, specimen ID: ---15105)

tridyyasunmscl4a15105LE.tif

Tridysderina yasuni, male claws, leg IV, lateral view (image by LE, specimen ID: ---15105)

tridyyasunmscl4l15105LE.tif

Tridysderina yasuni, male embolus, prolateral view (image by LE, specimen ID: ---15105)

tridyyasunmsembp15105LE.tif

Tridysderina yasuni, male embolus, retrolateral view (image by LE, specimen ID: ---15105)

tridyyasunmsembr15105LE.tif

Tridysderina yasuni, male embolus, ventral view (image by LE, specimen ID: ---15105)

tridyyasunmsembv15105LE.tif

Tridysderina yasuni, male palp, prolateral view (image by LE, specimen ID: ---15105)

tridyyasunmspalp15105LE.tif

Tridysderina yasuni, male palp, retrolateral view (image by LE, specimen ID: ---15105)

tridyyasunmspalr15105LE.tif

Tridysderina yasuni, male palpal tibia, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmsptid15105LE.tif

Tridysderina yasuni, male sperm pore, ventral view (image by LE, specimen ID: ---15105)

tridyyasunmsspov15105LE.tif

Tridysderina yasuni, male sternum, ventral view (image by LE, specimen ID: ---15105)

tridyyasunmsstev15105LE.tif

Tridysderina yasuni, male tarsal organ, leg II, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmsto2d15105LE.tif

Tridysderina yasuni, male tarsal organ, leg III, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmsto3d15105LE.tif

Tridysderina yasuni, male tarsal organ, leg IV, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmsto4d15105LE.tif

Tridysderina yasuni, male tarsal organ, palp, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmstopd15105LE.tif

Tridysderina yasuni, male tarsal organ, leg I, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmsto1d15105LE.tif

Tridysderina yasuni, male spinnerets, posterior view (image by LE, specimen ID: ---15105)

tridyyasunmsspit15105LE.tif

Tridysderina yasuni, male ALS, posterior view (image by LE, specimen ID: ---15105)

tridyyasunmsALSt15105LE.tif

Tridysderina yasuni, male PLS, posterior view (image by LE, specimen ID: ---15105)

tridyyasunmsPLSt15105LE.tif

Tridysderina yasuni, male PMS, posterior view (image by LE, specimen ID: ---15105)

tridyyasunmsPMSt15105LE.tif

Tridysderina yasuni, male chelicerae, anterior view (image by LE, specimen ID: ---15105)

tridyyasunmschea15105LE.tif

Tridysderina yasuni, male chelicerae, posterior view (image by LE, specimen ID: ---15105)

tridyyasunmschet15105LE.tif

Tridysderina yasuni, male claws, leg II, anterior view (image by LE, specimen ID: ---15105)

tridyyasunmscl2a15105LE.tif

Tridysderina yasuni, male endites, ventral view (image by LE, specimen ID: ---15105)

tridyyasunmsendv15105LE.tif

Tridysderina yasuni, male endites, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmsendd15105LE.tif

Tridysderina yasuni, male labrum, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmslard15105LE.tif

Tridysderina yasuni, male trichobothrium, metatarsus II, dorsal view (image by LE, specimen ID: ---15105)

tridyyasunmstm2d15105LE.tif


            Female (PBI_OON 30598). Total length 2.05. As in male except as noted. CEPHALOTHORAX: Chilum fused to clypeus. Sternum with single transverse, procurved ridge opposite front of coxae II, other ridges represented only by paired, parentheses-shaped ridges at sides opposite coxae III and IV. Female palp spines absent. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I, II p0-0-2; r1-1-1; tibiae: I v4-4-2; II v4-4-1p; metatarsi: I v2-1p-2; II v2-0-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: atrium large, anterior half mostly filled with large, triangular sclerotization.
Tridysderina yasuni, female abdomen, ventral view (image by LE, specimen ID: ---30598)

Tridyyasunfpabdv30598LE.tif

Tridysderina yasuni, female epigynum, epigynal area, ventral view (image by LE, specimen ID: ---30598)

Tridyyasunfpepiv30598LE.tif

Tridysderina yasuni, female carapace, anterior view (image by LE, specimen ID: ---30598)

Tridyyasunfscara30598LE.tif

Tridysderina yasuni, female carapace, dorsal view (image by LE, specimen ID: ---30598)

Tridyyasunfscard30598LE.tif

Tridysderina yasuni, female carapace, lateral view (image by LE, specimen ID: ---30598)

Tridyyasunfscarl30598LE.tif

Tridysderina yasuni, female chelicerae, anterior view (image by LE, specimen ID: ---30598)

Tridyyasunfschea30598LE.tif

Tridysderina yasuni, female chelicerae, posterior view (image by LE, specimen ID: ---30598)

Tridyyasunfschet30598LE.tif

Tridysderina yasuni, female claws, leg I, anterior view (image by LE, specimen ID: ---30598)

tridyyasunfscl1a30598LE.tif

Tridysderina yasuni, female claws, leg I, lateral view (image by LE, specimen ID: ---30598)

tridyyasunfscl1l30598LE.tif

Tridysderina yasuni, female claws, leg II, anterior view (image by LE, specimen ID: ---30598)

tridyyasunfscl2a30598LE.tif

Tridysderina yasuni, female claws, leg II, lateral view (image by LE, specimen ID: ---30598)

tridyyasunfscl2l30598LE.tif

Tridysderina yasuni, female claws, leg III, anterior view (image by LE, specimen ID: ---30598)

tridyyasunfscl3a30598LE.tif

Tridysderina yasuni, female claws, leg III, lateral view (image by LE, specimen ID: ---30598)

tridyyasunfscl3l30598LE.tif

Tridysderina yasuni, female claws, leg IV, anterior view (image by LE, specimen ID: ---30598)

tridyyasunfscl4a30598LE.tif

Tridysderina yasuni, female claws, leg IV, lateral view (image by LE, specimen ID: ---30598)

tridyyasunfscl4l30598LE.tif

Tridysderina yasuni, female palp, prolateral view (image by LE, specimen ID: ---30598)

tridyyasunfspalp30598LE.tif

Tridysderina yasuni, female palp, retrolateral view (image by LE, specimen ID: ---30598)

tridyyasunfspalr30598LE.tif

Tridysderina yasuni, female palpal tibia, dorsal view (image by LE, specimen ID: ---30598)

tridyyasunfsptid30598LE.tif

Tridysderina yasuni, female epigynum, epigynal area, ventral view (image by LE, specimen ID: ---30598)

tridyyasunfsepiv30598LE.tif

Tridysderina yasuni, female sternum, ventral view (image by LE, specimen ID: ---30598)

tridyyasunfsstev30598LE.tif

Tridysderina yasuni, female spinnerets, posterior view (image by LE, specimen ID: ---30598)

tridyyasunfsspit30598LE.tif

Tridysderina yasuni, female ALS, posterior view (image by LE, specimen ID: ---30598)

tridyyasunfsALSt30598LE.tif

Tridysderina yasuni, female PLS, posterior view (image by LE, specimen ID: ---30598)

tridyyasunfsPLSt30598LE.tif

Tridysderina yasuni, female PMS, posterior view (image by LE, specimen ID: ---30598)

tridyyasunfsPMSt30598LE.tif

Tridysderina yasuni, female tarsal organ, leg I, dorsal view (image by LE, specimen ID: ---30598)

tridyyasunfsto1d30598LE.tif

Tridysderina yasuni, female tarsal organ, leg II, dorsal view (image by LE, specimen ID: ---30598)

tridyyasunfsto2d30598LE.tif

Tridysderina yasuni, female tarsal organ, leg III, dorsal view (image by LE, specimen ID: ---30598)

tridyyasunfsto3d30598LE.tif

Tridysderina yasuni, female tarsal organ, leg IV, dorsal view (image by LE, specimen ID: ---30598)

tridyyasunfsto4d30598LE.tif

Tridysderina yasuni, female tarsal organ, palp, dorsal view (image by LE, specimen ID: ---30598)

tridyyasunfstopd30598LE.tif

Tridysderina yasuni, female internal female genitalia, dorsal view (image by LE, specimen ID: ---30598)

Tridyyasunfpifgd30598LE.tif

Tridysderina yasuni, female internal female genitalia, ventral view (image by LE, specimen ID: ---30598)

Tridyyasunfpifgv30598LE.tif

Tridysderina yasuni, female endites, ventral view (image by LE, specimen ID: ---30598)

Tridyyasunfsendv30598LE.tif

Tridysderina yasuni, female endites, dorsal view (image by LE, specimen ID: ---30598)

Tridyyasunfsendd30598LE.tif

Tridysderina yasuni, female internal female genitalia, dorsal view (image by LE, specimen ID: ---30598)

Tridyyasunfsifgd30598LE.tif

 

DISTRIBUTION

ECUADOR
Tridysderina yasuni 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 Tridysderina yasuni, 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 00030575  ECUADOR  Napo    Yanayacu biological Station, trail to San Jorge de Yanayacu Wildlife Refuge  1 Adult Male    2140  -0.58813; -77.88428    25 Nov 2009  Niarchos Expedition, M. Ramirez, C. Grismado, M. Izquierdo, F. Labarque  MACN 
PBI_OON 00030598  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  3 Adult Male    295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  MACN 
PBI_OON 00049884  ECUADOR  Orellana    Reserva Etnica Waorani, 1 km S. Onkone Gare Camp, Transect Ent.  1 Adult Female    216  -0.65714; -76.45300  humid forest  06 Oct 1994  T. Erwin et al.  USNM 
PBI_OON 00049885  ECUADOR  Orellana    Estacion Cientifica Yasuni  1 Adult Male    200  -0.67111; -76.40020  Leaf Litter  01 Dec 2009  Niarchos Expedition  AMNH 
PBI_OON 00015105  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  1 Adult Female    295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  MACN 
PBI_OON 00049883  ECUADOR  Orellana    Yasuni National Park  1 Adult Male    228  -0.67111; -76.40500  litter  01 Dec 2009  Niarchos expedition, B. Baehr  AMNH 
PBI_OON 00030577  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  1 Adult Male    295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  MACN 
PBI_OON 00015105  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  2 Adult Male    295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  MACN 
PBI_OON 00030555  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  2 Adult Male    295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  MACN 
PBI_OON 00030598  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  3 Adult Female    295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  MACN 
PBI_OON 00030556  ECUADOR  Orellana    Estacion Cientifica Yasuni, Rio Tiputini  1 Adult Male  Holotype  295  -0.67428; -76.39764  humid forest  01 Dec 2009  Niarchos Expedition, M. Ramirez  QCAZ 
PBI_OON 00010234  ECUADOR  Sucumbios    Limoncocha  1 Adult Male    250  -0.40006; -76.62704  Ficus litter with fruits  18 Jun 1976  S. Peck  FMNH 


 
 
 
 
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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