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OONOPIDAE SPECIES DESCRIPTION
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Brignolia ankhu       Get publication



            Female (PBI_OON 15713). Total length 1.82. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with angular posterolateral corners, posterolateral edge without pits, posterior margin not bulging below posterior rim, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides striated, thorax without depressions, fovea absent, posterior declivity without distinct shoulders, without radiating rows of pits, posterior margin rounded; 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 dark, needle-like. Clypeus margin strongly rebordered, 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, all subequal, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, procurved from front; ALE separated by their radius to 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, pale orange, uniform, fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow smooth, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture absent, sickle-shaped structures absent, anterior margin unmodified, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, lateral margin with infra-coxal grooves and anterior and posterior openings, distance between coxae approximately equal, extensions of pre-coxal triangles present, lateral margins unmodified, without posterior hump, with only slight posterior ridge; setae sparse, dark, needle-like, densest laterally, originating from surface. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae slightly divergent, anterior face unmodified; without teeth on both promargin and retromargin; fangs directed medially, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, evenly scattered; paturon inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified, laminate groove present. Labium triangular, fused to sternum, anterior margin indented at middle; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip unmodified, posteromedian part unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: ovoid, 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 small, ovoid, without setae, anterolateral edge unmodified, protuberant. Posterior spiracles connected by groove. Pedicel tube short, with small, dorsolateral, triangular extensions, scuto-pedicel region with W-shaped scutal ridge, scutum not extending far dorsal of pedicel, plumose hairs dorsal and lateral 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, no soft tissue visible from above, not fused to epigastric scutum, middle surface punctate, sides punctate, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent, without lateral joints. Postepigastric scutum strongly sclerotized, pale orange, long, semicircular, covering nearly full length of abdominal length, not fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes. Spinneret scutum present, incomplete ring. 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 long setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus absent. 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 present, 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: Ventral view: with posteriorly direct, triangular protrusion from posterior margin of epigastric furrow. Dorsal view: posterior tube posteriorly narrowed, ductlike.
Brignolia ankhu, female abdomen, anterior view (image by ND, specimen ID: ---15713)

brignankhufpabda15713ND.tif

Brignolia ankhu, female abdomen, lateral view (image by ND, specimen ID: ---15713)

brignankhufpabdl15713ND.tif

Brignolia ankhu, female abdomen, ventral view (image by ND, specimen ID: ---15713)

brignankhufpabdv15713ND.tif

Brignolia ankhu, female carapace, anterior view (image by ND, specimen ID: ---15713)

brignankhufpcara15713ND.tif

Brignolia ankhu, female carapace, dorsal view (image by ND, specimen ID: ---15713)

brignankhufpcard15713ND.tif

Brignolia ankhu, female carapace, lateral view (image by ND, specimen ID: ---15713)

brignankhufpcarl15713ND.tif

Brignolia ankhu, female carapace, posterior view (image by ND, specimen ID: ---15713)

brignankhufpcart15713ND.tif

Brignolia ankhu, female sternum, ventral view (image by ND, specimen ID: ---15713)

brignankhufpstev15713ND.tif

Brignolia ankhu, female internal female genitalia, dorsal view (image by ND, specimen ID: ---15713)

brignankhufpifgd15713ND.tif

Brignolia ankhu, female internal female genitalia, ventral view (image by ND, specimen ID: ---15713)

brignankhufpifgv15713ND.tif

 

DISTRIBUTION

NEPAL
Brignolia ankhu 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 00015713  NEPAL  Bagmati    Dhading District, Ankhu Khola Tal, Ankhu Sangu  1 Adult Female  Holotype  650  27.86092; 84.91557  Forest Remnant  24 Jul 1983  J. Martens, W. Schawaller  NMBE 


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