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OONOPIDAE SPECIES DESCRIPTION
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Emboonops arriaga       Get publication



            Male (PBI_OON 1725). Total length 1.32. CEPHALOTHORAX: Carapace yellow, without any pattern, elongated hexagonal in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to between 0.5 and 0.75 times its maximum width, with angular 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 undulate, 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 dark, needle-like. Clypeus margin slightly rebordered, curved downwards in front view, sloping forward 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 both above and 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 smooth, without pits, microsculpture absent, 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 approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump; setae sparse, dark, needle-like, in group at base of coxae, 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, densest medially; paturon inner margin with pairs of enlarged setae, distal region unmodified, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified, laminate groove absent. Labium rectangular, 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, anteromedian part with series of parallel ridges. 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, with short 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 longer 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: III p1-0-1; v0-1p-2; r0-0-1; IV p0-0-1; v0-1p-0; r0-0-1; metatarsi: III v0-1p-2; IV p0-0-1; v0-1p-2; r0-0-1. 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 dark, prolateral excavation absent, with basally directed, medially invaginated (in ventral view) prolateral protrusion; 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.
Emboonops arriaga, male embolus, prolateral view (image by LE, specimen ID: ---01725)

embooarriamsembp01725LE.tif

Emboonops arriaga, male embolus, retrolateral view (image by LE, specimen ID: ---01725)

embooarriamsembr01725LE.tif

Emboonops arriaga, male embolus, ventral view (image by LE, specimen ID: ---01725)

embooarriamsembv01725LE.tif

Emboonops arriaga, male endites, ventral view (image by LE, specimen ID: ---01725)

embooarriamsendv01725LE.tif

Emboonops arriaga, male endites, modified setae, ventral view (image by LE, specimen ID: ---01725)

embooarriamsemsv01725LE.tif

Emboonops arriaga, male sternum, ventral view (image by LE, specimen ID: ---01725)

embooarriampstev01725LE.tif

Emboonops arriaga, male palp, prolateral view (image by LE, specimen ID: ---01725)

embooarriamppalp01725LE.tif

Emboonops arriaga, male palp, retrolateral view (image by LE, specimen ID: ---01725)

embooarriamppalr01725LE.tif

Emboonops arriaga, male palp, ventral view (image by LE, specimen ID: ---01725)

embooarriamppalv01725LE.tif


            Female (PBI_OON 1725). Total length 2.02. As in male except as noted. CEPHALOTHORAX: Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum without lateral joints. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): tibiae: III p0-1-1; v0-1p-2; IV p1-0-1; v0-1p-2; r1-0-0; metatarsi: III v0-0-2; IV p0-0-1; v0-1p-2; r1-0-0. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Dorsal view: anterior genitalic process inverted Y-Shaped.
Emboonops arriaga, female sternum, ventral view (image by LE, specimen ID: ---01725)

Embooarriafpstev01725LE.tif

Emboonops arriaga, female abdomen, ventral view (image by LE, specimen ID: ---01725)

Embooarriafpabdv01725LE.tif

Emboonops arriaga, female epigynum, epigynal area, ventral view (image by LE, specimen ID: ---01725)

Embooarriafpepiv01725LE.tif

Emboonops arriaga, female internal female genitalia, ventral view (image by LE, specimen ID: ---01725)

Embooarriafpifgv01725LE.tif

Emboonops arriaga, female internal female genitalia, dorsal view (image by LE, specimen ID: ---01725)

Embooarriafpifgd01725LE.tif

 

DISTRIBUTION

MEXICO
Emboonops arriaga 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 Emboonops arriaga, 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 00001725  MEXICO  Chiapas  None or Unknown  15 miles NW of Arriaga  1 Adult Female  Allotype    16.25000; -94.01000  pine forest  27 Aug 1966  J., W. Ivie  AMNH 
PBI_OON 00001725  MEXICO  Chiapas  None or Unknown  15 miles NW of Arriaga  1 Adult Male  Holotype    16.25000; -94.01000  pine forest  27 Aug 1966  J., W. Ivie  AMNH 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
The California Academy of Sciences, San Francisco   The University of California, Berkeley
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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