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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Orchestina caleta       Get publication



            Male (PBIOON_00042182). Total length 1.17. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid 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 absent. Clypeus margin unmodified, curved downwards in front view, high, ALE separated from edge of carapace by their radius or more, median projection absent, slightly sloping forward; setae present, dark, needle-like. Chilum absent. Eyes six, well developed, posterior eye row slightly recurved in front view, PME largest, ALE circular, PME oval, PLE circular; posterior eye row recurved from above; ALE separated by more than their diameter, ALE-PLE touching, PME touching throughout most of their length, PLE-PME separated by PME radius to PME diameter. Sternum longer than wide, 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 extending posteriorly beyond anterior edges of coxae IV as single extension, anterior corner unmodified, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump; setae sparse, dark, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. 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, evenly scattered; paturon inner margin with scattered setae, distal region unmodified, inner margin unmodified. Labium rectangular, not fused to sternum, anterior margin not indented at middle, same as sternum in sclerotization; subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, posteromedian part unmodified, same as sternum in sclerotization, with one short tooth-like projection. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions pale orange, without color pattern. Book lung covers large, round, without setae, anterolateral edge unmodified. Posterior spiracles not connected by groove. Pedicel tube medium, with fringe of setae, 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. Spinneret scutum with fringe of needle-like setae. Dense patch of setae anterior to spinnerets absent. Colulus present. LEGS: pale orange, without color pattern; femur IV thickened, much larger than femora I-III, patella plus tibia I near as long as 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 spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria examined with Stereo microscope; metatarsus: each with one. GENITALIA: Epigastric region with sperm pore not visible; 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; tibia trichobothria not examined; 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, more than 2 times as long as cymbium, stout, tapering apically.
Orchestina caleta, male palp, prolateral view (image by MI, specimen ID: ---42182)

ORCHECALETmdpalp42182MI.tif


            Female (PBI_OON 42182). Total length 1.52. As in male except as noted. CEPHALOTHORAX: Carapace anteriorly narrowed to 0.49 times its maximum width or less. Clypeus slightly sloping forward. Eyes posterior eye row slightly recurved in front view. Mouthparts: paturon posterior surface unmodified, laminate groove absent. Labium with 6 or more setae on anterior margin. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum without lateral joints. LEGS: tibia I Emerit’s glands absent. Leg spines absent. Tarsi I to IV superior claws tooth examined in detail; tarsus I superior claws with six teeth on lateral surface of proclaw, nine or more teeth on median surface of proclaw, six teeth on lateral surface of retroclaw, nine or more teeth on median surface of retroclaw; tarsus II superior claws with six teeth on lateral surface of proclaw, nine or more teeth on median surface of proclaw, six teeth on lateral surface of retroclaw, nine or more teeth on median surface of retroclaw. Trichobothria examined with Stereo microscope.
Orchestina caleta, female internal female genitalia, ventral view (image by MI, specimen ID: ---42182)

ORCHECALETfdifgv42182MI.tif

 

DISTRIBUTION

CHILE
Orchestina caleta 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 Orchestina caleta, Discover Life Map
 

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 00050046  CHILE  Atacama - Region III  Huasco  Caleta Chańaral de Aceituno, 89.9 km (por aire) SW Vallenar  1 Adult Female  Paratype  10  -29.07194; -71.48750  Rocky shore whit Nolana sp.  30 Oct 2011  M. J. Ramírez, A. Ojanguren, J. Pizarro et al.  MNSC 
PBI_OON 00042182  CHILE  Atacama - Region III  Huasco  Caleta Chańaral de Aceituno, 89.9 km (por aire) SW Vallenar  1 Adult Male  Holotype  10  -29.07194; -71.48750  Rocky shore whit Nolana sp.  30 Oct 2011  M. J. Ramírez, A. Ojanguren, J. Pizarro et al.  MNSC 
PBI_OON 00050044  CHILE  Atacama - Region III  Huasco  Caleta Chańaral de Aceituno, 89.9 km (por aire) SW Vallenar  4 Adult Female    10  -29.07194; -71.48750  Rocky shore whit Nolana sp.  30 Oct 2011  M. J. Ramírez, A. Ojanguren, J. Pizarro et al.  MACN 
PBI_OON 00050045  CHILE  Atacama - Region III  Huasco  Caleta Chańaral de Aceituno, 89.9 km (por aire) SW Vallenar  1 Adult Female  Paratype  10  -29.07194; -71.48750  Rocky shore whit Nolana sp.  30 Oct 2011  M. J. Ramírez, A. Ojanguren, J. Pizarro et al.  MACN 
PBI_OON 00001943  CHILE  Coquimbo - Region IV  Limari  24 km S Socos Rt. 5, km.  1 Adult Female    360  ;   Rocky shore whit Nolana sp.  09 Nov 1993  Platnick, Catley, Ramirez & Allen  AMNH 
PBI_OON 00042206  CHILE  Región de Coquimbo  Provincia de Choapa  costa al S de Quebrada de Quereo  1 Adult Male    -31.93556; -71.51556  rocky shore with succulent plants  21 Feb 2012  M.J.Ramírez, M.A.Izquierdo, P.Michalik, C.Wirkner, K.Huckstorf  MACN 
PBI_OON 00042183  CHILE  Región de Coquimbo  Provincia de Choapa  costa en Quebrada de Quereo, 2.2 km S Los Vilos  1 Adult Female    -31.93250; -71.51388  Rocky shore whit Nolana sp.  02 Nov 2011  M.J. Ramírez, A. Ojanguren, J. Pizarro et al.  MACN 
PBI_OON 00051090  CHILE  Región de Coquimbo  Provincia de Choapa  Los Vilos  1 Adult Male      -31.91667; -71.51667  Rocky shore whit Nolana sp.  25 Aug 1966  E. Schlinger, M. Irwin  AMNH 
PBI_OON 00042207  CHILE  Región de Coquimbo  Provincia de Choapa  costa al S de Quebrada de Quereo  14 Juvenile sex unknown    -31.93556; -71.51556  rocky shore with succulent plants  21 Feb 2012  M.J.Ramírez, M.A.Izquierdo, P.Michalik, C.Wirkner, K.Huckstorf  MACN 
PBI_OON 00042207  CHILE  Región de Coquimbo  Provincia de Choapa  costa al S de Quebrada de Quereo  1 Adult Male    -31.93556; -71.51556  rocky shore with succulent plants  21 Feb 2012  M.J.Ramírez, M.A.Izquierdo, P.Michalik, C.Wirkner, K.Huckstorf  MACN 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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