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OONOPIDAE SPECIES DESCRIPTION
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Puan chechehet       Get publication



            Male (PBI_OON 43344). Total length 3.03. CEPHALOTHORAX: Carapace orange, Xiombarg type, broadly 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 without extension or projections, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides smooth, 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 dark, needle-like; marginal setae dark, needle-like. Clypeus margin unmodified, curved downwards in front view, vertical 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, eyes surrounded with dark pigment, all subequal, all eyes circular; posterior eye row recurved from above, straight from front; ALE separated by more than their diameter, ALE-PLE touching, PME touching for less than half their length, PLE-PME separated by PME radius to PME diameter. Sternum wider than long, 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 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, without posterior hump, sternum bordered; setae sparse, dark, needle-like, evenly scattered, 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, evenly scattered; paturon inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium elongated hexagon, fused to sternum, anterior margin not indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Labrum with a single sclerite. Endites distally not excavated, serrula present in single row, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions pale white, with median chevrons. Book lung covers large, round, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, with ventral sclerotization, scuto-pedicel region unmodified, scutum absent, but abdomen extending anteriad of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum absent. Epigastric scutum weakly sclerotized, not surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum absent. 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. Colulus present, with at least six setae. Spinnerets: ALS: with one major ampullate gland spigot and four piriform gland spigots; PMS: with two minor ampullate gland spigots; PLS: with five aciniform gland spigots. LEGS: orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I longer than carapace, tibia I unmodified, tibia I Emerit’s glands absent, 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: I p1-1-0; v0-0-2; r0-1-0; II p1-1-1; r1-1-0; III p1-1-0; v0-p1-2; r1-1-0; IV d0-1-0; p1-1-1; vp1-p1-2; r1-1-1; metatarsi: I v0-0-2; II p0-1-0; v0-0-2; r0-1-0; III d1-1-1; vp1-p1-2; r1-1-1; (leg II: tibia: or p 1-1, leg IV: metatarsus d 1-1-1-1, p 1-1-1-1, r 1-1-1-1, v p1-p1-p1-2. ). Tarsi I to IV superior claws tooth examined in detail; tarsal proclaws and retroclaws inner face smooth; tarsus I-IV superior claws with nine or more teeth on lateral surface of proclaw, nine or more teeth on lateral surface of retroclaw. Tarsi I to IV without inferior claw. Trichobothria examined with SEM; metatarsus: each with one; base rounded, aperture internal texture not grate-like, hood smooth. GENITALIA: Epigastric 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; 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; cymbium pale orange, ovoid in dorsal view, not fused with bulb, 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, tapering apically.
Puan chechehet, male eye group, anterior view (image by MI, specimen ID: ---43344)

PUAN9chechmpeyea43344MI.tif

Puan chechehet, male habitus, ventral view (image by MI, specimen ID: ---43344)

PUAN9chechmphabv43344MI.tif

Puan chechehet, male habitus, dorsal view (image by MI, specimen ID: ---43344)

PUAN9chechmphabd43344MI.tif

Puan chechehet, male palp, dorsal view (image by MI, specimen ID: ---43344)

PUAN9chechmppald43344MI.tif

Puan chechehet, male palp, retrolateral view (image by MI, specimen ID: ---43344)

PUAN9chechmppalr43344MI.tif

Puan chechehet, male palp, prolateral view (image by MI, specimen ID: ---43344)

PUAN9chechmppalp43344MI.tif

Puan chechehet, male palp, ventral view (image by MI, specimen ID: ---43344)

PUAN9chechmppalv43344MI.tif

Puan chechehet, male cheliceral boss, anterior view (image by MI, specimen ID: ---43343)

PUAN9chechmsbosa43343MI.tif

Puan chechehet, male chelicerae, anterior view (image by MI, specimen ID: ---43343)

PUAN9chechmschea43343MI.tif

Puan chechehet, male claws, leg I, anterior view (image by MI, specimen ID: ---43343)

PUAN9chechmscl1a43343MI.tif

Puan chechehet, male claws, leg I, retrolateral view (image by MI, specimen ID: ---43343)

PUAN9chechmscl1r43343MI.tif

Puan chechehet, male claws, leg I, prolateral view (image by MI, specimen ID: ---43343)

PUAN9chechmscl1p43343MI.tif

Puan chechehet, male leg I, retrolateral view (image by MI, specimen ID: ---43343)

PUAN9chechmsle1r43343MI.tif

Puan chechehet, male cheliceral promargin, anterior view (image by MI, specimen ID: ---43343)

PUAN9chechmsproa43343MI.tif

Puan chechehet, male trichobothrium, metatarsus I, dorsal view (image by MI, specimen ID: ---43343)

PUAN9chechmstm1d43343MI.tif

Puan chechehet, male tarsal organ, leg I, dorsal view (image by MI, specimen ID: ---43343)

PUAN9chechmsto1d43343MI.tif


            Female (PBI_OON 43344). Total length 3.49. As in male except as noted. CEPHALOTHORAX: Sternum sternum bordered. Mouthparts: Chelicerae anterior face unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum slightly protuding, without lateral joints. Epigastric area frontal setae thickened. Colulus with at least six setae. Spinnerets: ALS: with one major ampullate gland spigot and four piriform gland spigots; PMS: with two minor ampullate galnd spigots; PLS: with five aciniform gland spigots. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): tibiae: I, II p0-1-1; vp1-p1-2; r0-1-1; III, IV d0-1-0; p0-1-1; vp1-p1-2; r1-1-1; metatarsi: I p0-1-1; vp1-p1-2; r0-1-1; II p0-1-1; vp1-p1-2; r0-1-0; III d1-1-1; vp1-p1-2; r1-1-1; IV d1-1-1; p1-1-1; vp1-p1-2; r1-1-1; (leg III: tibia: or p 1-1-1. ). Tarsi I to IV superior claws tooth examined in detail. Trichobothria examined with SEM.
 

DISTRIBUTION

ARGENTINA
Puan chechehet 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 00043387  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043348  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  2 Adult Male    530  -38.05638; -61.96666  grasses  01 Aug 2010  N. Ferretti  MACN 
PBI_OON 00043361  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    530  -38.05638; -61.96666  grasses  01 Aug 2010  N. Ferretti  MACN 
PBI_OON 00043344  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Male  Holotype  525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043343  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Male    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043349  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Male    528  -38.05638; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043356  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    520  -38.05583; -61.96666  grasses  01 Sept 2009  N. Ferretti  MACN 
PBI_OON 00043360  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  2 Adult Female    527  -38.05638; -61.96666  grasses  01 Aug 2010  N. Ferretti  MACN 
PBI_OON 00043352  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  2 Adult Female    527  -38.05638; -61.96666  grasses  01 Jul 2010  N. Ferretti  MACN 
PBI_OON 00043374  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043342  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  2 Adult Male    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043349  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    528  -38.05638; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043351  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    525  -38.05611; -61.96666  grasses  01 Jul 2010  N. Ferretti  MACN 
PBI_OON 00043346  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  2 Adult Female    520  -38.05583; -61.96666  grasses  01 Aug 2010  N. Ferretti  MACN 
PBI_OON 00043388  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  2 Adult Female    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043342  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043350  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Male    528  -38.05638; -61.96666  grasses  01 Jul 2010  N. Ferretti  MACN 
PBI_OON 00043347  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Male    520  -38.05583; -61.96666  grasses  01 Jul 2010  N. Ferretti  MACN 
PBI_OON 00043388  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Male    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043344  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female  Paratype  525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 
PBI_OON 00043343  ARGENTINA  Buenos Aires  Tornquist  Parque Provincial Ernesto Tornquist: 300 m del bosque del sismógrafo  1 Adult Female    525  -38.05611; -61.96666  grasses  01 May 2010  N. Ferretti  MACN 


 
 
 
 
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