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OONOPIDAE SPECIES DESCRIPTION
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Trilacuna qarzi       Get publication



            Male (PBI_OON 42521). Total length 1.70. CEPHALOTHORAX: Carapace pale orange, without any pattern, 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 granulate, 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 light, needle-like, the most lateral setae seem to be distributed in an U-shaped row, and pointing to the center; the medial setae, appear as scattered.; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin unmodified, curved downwards in front view, vertical in lateral view, median projection absent; setae present, light, needle-like. Chilum absent. Eyes absent. 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 finely reticulate, 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, lateral margins unmodified, without posterior hump; setae sparse, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered; paturon inner margin with pairs of enlarged setae, distal region abruptly narrowed, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, fused to sternum, anterior margin deeply incised, same as sternum in sclerotization; with 3-5 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, 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, without color pattern. Book lung covers large, elliptical, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, ribbed, scuto-pedicel region unmodified, scutum not extending far dorsal of pedicel, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum strongly sclerotized, pale orange, without color pattern, covering full length of abdomen, more than 1/2 to most of abdomen width, not fused to epigastric scutum, middle surface smooth, sides smooth, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, pale orange, long, semicircular, covering about 3/4 of abdominal length, fused to epigastric scutum, anterior margin unmodified. Spinneret scutum present, incomplete ring. Dorsum setae present, light, needle-like. Epigastric area setae uniform, light, needle-like. Postepigastric area setae present, light, needle-like. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus absent. LEGS: pale orange, without color pattern; femur IV not thickened, same size as 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 spination (only surfaces bearing spines listed, all spines longer than segment width): (leg I: femora: PV0-0-1-0; tibiae: V2-2-2-2-0; metatarsi: V2-2-0., leg II: tibiae: V2-2-2-2-0; metatarsi: V2-2-0.. ). Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria not examined; only examined the palpal tibial trichobothria: proximal plate not well differentiated and not overhanging the distal plate, more or less at the same level, both plates with similar sculpture as in the surrounding cuticle; alveolus narrowed at the proximal margin. GENITALIA: Epigastric region with sperm pore small, circular, situated at level of anterior spiracles, unmodified; furrow without omega-shaped insertions. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, prolateral excavation absent, only the tip visible (by SEM), distally curved to the prlateral side, lying in the anteroventral hairy process.; trochanter normal size, unmodified; femur enlarged, 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, fused with bulb but with clearly defined seam between, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae, ovoid, abruptely narrowed in the distal third; completely fused with the bulb in the prolateral side, seam visible in the retrolateral side, but tip not fused, free., tarsal organ nearly rounded, with two sensilla visible.; bulb pale orange, 1 to 1.5 times as long as cymbium, tapering apically, internally, in clove oil preparation, are clearly visible the internal glandular tube typical of the Dysderoides complex. Its origin is approximately the center of the bulb, continues tortuously to the dorsal and, near the distal third is bent anteroventrally, describing a straight trajectory to the embolus., distal part embolic division with a complicated set of "hairy" projections: three bunches of setiform projections around the embolus, distal to a relatively sclerotized subterminal area. The dorsal one have projections with arrow-shaped tips, disposed as a fan in many rows; the anteroventral bunch have projections with rounded tips and apparently annulated surface. On the retrolateral side, there are and additional flange with a transverse furrow, and with a few filiform structures backwardly directed; on the prolateral side there are a V-shaped keel defining an anterior concavity, and with two different types of setiform processes: the most distal are larger, stout, disposed at the same plane as the anteroventral, annulated setae; the more proximal are thinner, and are arranged on the margin of the projection..
Trilacuna qarzi, male habitus, dorsal view (image by XG, specimen ID: ---42521)

trilaqarzimphabd42521XG.jpg

Trilacuna qarzi, male habitus, ventral view (image by XG, specimen ID: ---42521)

trilaqarzimphabv42521XG.jpg

Trilacuna qarzi, male habitus, lateral view (image by XG, specimen ID: ---42521)

trilaqarzimphabl42521XG.jpg

Trilacuna qarzi, male carapace, dorsal view (image by XG, specimen ID: ---42521)

trilaqarzimpcard42521XG.jpg

Trilacuna qarzi, male carapace, ventral view (image by XG, specimen ID: ---42521)

trilaqarzimpcarv42521XG.jpg

Trilacuna qarzi, male abdomen, ventral view (image by XG, specimen ID: ---42521)

trilaqarzimpabdv42521XG.jpg

Trilacuna qarzi, male carapace, anterior view (image by XG, specimen ID: ---42521)

trilaqarzimpcara42521XG.jpg

Trilacuna qarzi, male carapace, lateral view (image by XG, specimen ID: ---42521)

trilaqarzimpcarl42521XG.jpg

Trilacuna qarzi, male palp, dorsal view (image by XG, specimen ID: ---42521)

trilaqarzimppald42521XG.jpg

Trilacuna qarzi, male palp, prolateral view (image by XG, specimen ID: ---42521)

trilaqarzimppalp42521XG.jpg

Trilacuna qarzi, male palp, retrolateral view (image by XG, specimen ID: ---42521)

trilaqarzimppalr42521XG.jpg

Trilacuna qarzi, male palp, ventral view (image by XG, specimen ID: ---42521)

trilaqarzimppalv42521XG.jpg

Trilacuna qarzi, male palp, retrolateral view (image by XG, specimen ID: ---42521)

trilaqarzimdpalr42521XG.tif


            Female (PBI_OON 42545). Total length 2.10. As in male except as noted. CEPHALOTHORAX: Carapace with a more sparse granulation; posterior part elevated, with a nearly peak-like profile in lateral view; non-marginal pars cephalica setae present in u-shaped row, with some sparse setae in the anteromedian part. Female palp claws absent; spines absent; tarsus unmodified. ABDOMEN: Dorsal scutum covering more than 3/4 of abdomen. Postepigastric scutum long, almost rectangular, covering about 1/2 of abdominal length. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): (leg I: femora: PV0-0-1-0; tibiae: V2-2-2-2-0; metatarsi: V2-2-0., leg II: tibiae: V2-2-2-2-0; metatarsi: V2-2-0.. ). Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. Tarsal organ nearly rounded, on leg I (and presumably also leg II)with three sensilla visible; on leg III (and presumably on the leg IV and palp) with two.. GENITALIA: Ventral view: two procurved, nearly parallel plates before the genital opening, the anterior one with a median notch on the posterior margin; lateral apodemes visible through ventral cuticle. Posterior receptacle short, narrow.. Dorsal view: anterior sclerite T-shaped, with the lateral tips of the transverse bar connectes with the lateral apodemes through muscles. Posterior receptacle small, relatively elongated..
Trilacuna qarzi, female habitus, dorsal view (image by XG, specimen ID: ---42545)

trilaqarzifphabd42545XG.jpg

Trilacuna qarzi, female habitus, lateral view (image by XG, specimen ID: ---42545)

trilaqarzifphabl42545XG.jpg

Trilacuna qarzi, female habitus, ventral view (image by XG, specimen ID: ---42545)

trilaqarzifphabv42545XG.jpg

Trilacuna qarzi, female carapace, dorsal view (image by XG, specimen ID: ---42545)

trilaqarzifpcard42545XG.jpg

Trilacuna qarzi, female carapace, lateral view (image by XG, specimen ID: ---42545)

trilaqarzifpcarl42545XG.jpg

Trilacuna qarzi, female carapace, ventral view (image by XG, specimen ID: ---42545)

trilaqarzifpcarv42545XG.jpg

Trilacuna qarzi, female carapace, anterior view (image by XG, specimen ID: ---42545)

trilaqarzifpcara42545XG.jpg

Trilacuna qarzi, female epigynum, epigynal area, ventral view (image by XG, specimen ID: ---42545)

trilaqarzifpepiv42545XG.jpg

Trilacuna qarzi, female internal female genitalia, dorsal view (image by XG, specimen ID: ---42546)

trilaqarzifdifgd42546XG.tif

 

DISTRIBUTION

IRAN (ISLAMIC REPUBLIC OF)
Trilacuna qarzi 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 00042521  IRAN (ISLAMIC REPUBLIC OF)  Kohgiluyeh and Boyer-Ahmad Province  Gachsaran County  Gakal Cave  1 Adult Male  Holotype  1100  30.31222; 51.15778  Cave  24 Jun 2013  Mohammad Javad Malek Hosseini, Yaser Bakhshi & Saber Sadeghi  CBSU 
PBI_OON 00042520  IRAN (ISLAMIC REPUBLIC OF)  Kohgiluyeh and Boyer-Ahmad Province  Gachsaran County  Gakal Cave  1 Adult Male    1100  30.31222; 51.15778  Cave  24 Jun 2013  Mohammad Javad Malek Hosseini, Yaser Bakhshi & Saber Sadeghi  MACN 
PBI_OON 00042519  IRAN (ISLAMIC REPUBLIC OF)  Kohgiluyeh and Boyer-Ahmad Province  Gachsaran County  Gakal Cave  1 Adult Female    1100  30.31222; 51.15778  Cave  24 Jun 2013  Mohammad Javad Malek Hosseini, Yaser Bakhshi & Saber Sadeghi  MACN 
PBI_OON 00042544  IRAN (ISLAMIC REPUBLIC OF)  Kohgiluyeh and Boyer-Ahmad Province  Gachsaran County  Gakal Cave  1 Adult Male    1100  30.31222; 51.15778  Cave  24 Jun 2013  Mohammad Javad Malek Hosseini, Yaser Bakhshi & Saber Sadeghi  MACN 
PBI_OON 00042545  IRAN (ISLAMIC REPUBLIC OF)  Kohgiluyeh and Boyer-Ahmad Province  Gachsaran County  Gakal Cave  1 Adult Female  Paratype  1100  30.31222; 51.15778  Cave  24 Jun 2013  Mohammad Javad Malek Hosseini, Yaser Bakhshi & Saber Sadeghi  MACN 
PBI_OON 00042546  IRAN (ISLAMIC REPUBLIC OF)  Kohgiluyeh and Boyer-Ahmad Province  Gachsaran County  Gakal Cave  1 Adult Female    1100  30.31222; 51.15778  Cave  24 Jun 2013  Mohammad Javad Malek Hosseini, Yaser Bakhshi & Saber Sadeghi  MACN 


 
 
 
 
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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