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OONOPIDAE SPECIES DESCRIPTION
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Khamiscar ambi       Get publication



            Male (PBI_OON 2345). Total length 0.95. CEPHALOTHORAX: Carapace yellow, without any pattern, elongated hexagonal in dorsal view, pars cephalica flat in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, 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 striated, sides finely reticulate, 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 dark, needle-like, present, scattered; non-marginal pars thoracica setae dark, needle-like; marginal setae absent. Clypeus margin unmodified, 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, well developed, ALE largest, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, procurved from front; ALE separated by more than their 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 longer than wide, yellow, uniform, not fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow wrinkled, radial furrow opposite coxae III absent, surface finely striated, without pits, microsculpture only at sides, sickle-shaped structures absent, anterior margin with continuous transverse groove, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin without infra-coxal grooves, distance between coxae II and III greater than distance between coxae I and II, and coxae III and IV, extensions of pre-coxal triangles absent, lateral margins with rounded extensions between coxae, without posterior hump; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium yellow. 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, needle-like, evenly scattered; paturon inner margin with pairs of enlarged setae, distal region abruptly narrowed, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified, laminate groove absent. Labium triangular, 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 absent, posteromedian part unmodified, same as sternum in sclerotization, with subterminal ridge. 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, unmodified, scuto-pedicel region unmodified, scutum not 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 absent. Epigastric scutum weakly sclerotized, not surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, yellow, short, only around epigastric furrow, not fused to epigastric scutum, anterior margin unmodified, without 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. Colulus present. LEGS: yellow, 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 spines absent. 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 not visible; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments yellow; embolus light, prolateral excavation absent, conductor with V-shaped distal excavation, dorsal prong with thin distal extension; 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 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, spherical.
Khamiscar ambi, male sternum, ventral view (image by LE, specimen ID: ---02345)

khamrambi9msstev02345LE.tif

Khamiscar ambi, male endites, ventral view (image by LE, specimen ID: ---02345)

khamrambi9msendv02345LE.tif

Khamiscar ambi, male spinnerets, posterior view (image by LE, specimen ID: ---02345)

khamrambi9msspit02345LE.tif

Khamiscar ambi, male palp, dorsal view (image by LE, specimen ID: ---02345)

khamrambi9mspald02345LE.tif

Khamiscar ambi, male palp, prolateral view (image by LE, specimen ID: ---02345)

khamrambi9mspalp02345LE.tif

Khamiscar ambi, male palp, retrolateral view (image by LE, specimen ID: ---02345)

khamrambi9mspalr02345LE.tif

Khamiscar ambi, male embolus, dorsal view (image by LE, specimen ID: ---02345)

khamrambi9msembd02345LE.tif

Khamiscar ambi, male embolus, prolateral view (image by LE, specimen ID: ---02345)

khamrambi9msembp02345LE.tif

Khamiscar ambi, male embolus, retrolateral view (image by LE, specimen ID: ---02345)

khamrambi9msembr02345LE.tif

Khamiscar ambi, male palpal tibia, dorsal view (image by LE, specimen ID: ---02345)

khamrambi9msptid02345LE.tif

Khamiscar ambi, male palp, ventral view (image by LE, specimen ID: ---02345)

khamrambi9mspalv02345LE.tif

Khamiscar ambi, male embolus, ventral view (image by LE, specimen ID: ---02345)

khamrambi9msembv02345LE.tif

Khamiscar ambi, male sternum, ventral view (image by LE, specimen ID: ---02345)

khamrambi9mpstev02345LE.tif

Khamiscar ambi, male palp, prolateral view (image by LE, specimen ID: ---02345)

khamrambi9mppalp02345LE.tif

Khamiscar ambi, male palp, retrolateral view (image by LE, specimen ID: ---02345)

khamrambi9mppalr02345LE.tif

Khamiscar ambi, male palp, ventral view (image by LE, specimen ID: ---02345)

khamrambi9mppalv02345LE.tif

 

DISTRIBUTION

MADAGASCAR
Khamiscar ambi 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 00002345  MADAGASCAR  Toamasina    Montagne d'Akirindro, 7.6km 341 NNW Ambinanitelo  1 Adult Male  Holotype  600  -15.28833; 49.54833  rainforest, leaf mold, rotten wood  17 Mar 2003  C. Griswold, B. Fisher, et al.  CAS 


 
 
 
 
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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This material is based upon work supported by the National Science Foundation under Grant No. DEB 0613754. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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