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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Brignolia sinharaja       Get publication



            Male (PBI_OON 31759). Total length 1.49. CEPHALOTHORAX: Carapace brown, without any pattern, ovoid in dorsal view, pars cephalica strongly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with angular posterolateral corners, posterolateral edge with pair of pits, posterior margin not bulging below posterior rim, anterolateral corners with strongly sclerotized, triangular extension, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides striated, thorax without depressions, fovea absent, posterior declivity steep, top margin with three enlarged setae with enlarged bases on each side, without radiating rows of pits, posterior margin squared, with pair of dark triangular sclerotizations; 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, straight 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, ALE largest, ALE oval, PME circular, PLE oval; posterior eye row procurved from both above and front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME separated by less than their radius, PLE-PME separated by PME radius to PME diameter. Sternum longer than wide, pale orange, uniform, fused to carapace, median concavity present, occupying most of the sternum length, 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 with semicircular depression in the middle half, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, anterior corner with strongly sclerotized triangle in male, 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, with posterior hump, posterior hump with produced ridge bearing three large tubercles on each side; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae slightly divergent, 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 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, same as sternum in sclerotization; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip with stout projection (Brignolia type), posteromedian part unmodified, much more heavily sclerotized than sternum, anterior process greatly elongated. 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, orange-brown, 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. Postepigastric scutum strongly sclerotized, pale orange, long, semicircular, covering nearly full length of abdominal length, 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: Epigastric region with sperm pore small, oval, situated at level of anterior spiracles, rebordered; furrow without omega-shaped insertions, without setae. Palp minute, strongly sclerotized, right and left palps symmetrical, proximal segments dark red-brown; embolus dark, prolateral excavation absent, tip directed dorsally; trochanter normal size, with ventral projection, ventral process long, prolaterally directed process; femur minute, one to two times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella basally; patella longer than femur, not enlarged, without prolateral row of ridges, setae unmodified, bent at midlength; tibia trichobothria not examined; cymbium dark red-brown, narrow 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 dark red-brown, more than 2 times as long as cymbium, slender, elongated.
Brignolia sinharaja, male abdomen, anterior view (image by ND, specimen ID: ---31759)

brignsinhampabda31759ND.tif

Brignolia sinharaja, male abdomen, lateral view (image by ND, specimen ID: ---31759)

brignsinhampabdl31759ND.tif

Brignolia sinharaja, male abdomen, ventral view (image by ND, specimen ID: ---31759)

brignsinhampabdv31759ND.tif

Brignolia sinharaja, male carapace, dorsal view (image by ND, specimen ID: ---31759)

brignsinhampcard31759ND.tif

Brignolia sinharaja, male carapace, anterior view (image by ND, specimen ID: ---31759)

brignsinhampcara31759ND.tif

Brignolia sinharaja, male carapace, lateral view (image by ND, specimen ID: ---31759)

brignsinhampcarl31759ND.tif

Brignolia sinharaja, male carapace, posterior view (image by ND, specimen ID: ---31759)

brignsinhampcart31759ND.tif

Brignolia sinharaja, male sternum, ventral view (image by ND, specimen ID: ---31759)

brignsinhampstev31759ND.tif

Brignolia sinharaja, male bulb, prolateral view (image by ND, specimen ID: ---31759)

brignsinhampbulp31759ND.tif

Brignolia sinharaja, male bulb, retrolateral view (image by ND, specimen ID: ---31759)

brignsinhampbulr31759ND.tif

Brignolia sinharaja, male palp, prolateral view (image by ND, specimen ID: ---31759)

brignsinhamppalp31759ND.tif

Brignolia sinharaja, male palp, retrolateral view (image by ND, specimen ID: ---31759)

brignsinhamppalr31759ND.tif

Brignolia sinharaja, male endites, ventral view (image by ND, specimen ID: ---31759)

brignsinhamsendv31759ND.tif

Brignolia sinharaja, male palp, dorsal view (image by ND, specimen ID: ---31759)

brignsinhamspald31759ND.tif

Brignolia sinharaja, male palp, prolateral view (image by ND, specimen ID: ---31759)

brignsinhamspalp31759ND.tif

Brignolia sinharaja, male palp, retrolateral view (image by ND, specimen ID: ---31759)

brignsinhamspalr31759ND.jpg

Brignolia sinharaja, male palp, ventral view (image by ND, specimen ID: ---31759)

brignsinhamspalv31759ND.tif


            Female (PBI_OON 31759). Total length 1.37. As in male except as noted. CEPHALOTHORAX: Carapace orange-brown, posterior declivity steep, top margin with three enlarged setae with enlarged bases on each side, posterior margin squared, with pair of dark triangular sclerotizations. Eyes posterior eye row straight from above. Sternum median concavity absent, anterior margin unmodified, posterior ridge less pronounced than in male, bearing only small tubercles. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Book lung covers protuberant. Epigastric scutum without lateral joints. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: with large median depression. Dorsal view: posterior tube long, narrow.
Brignolia sinharaja, female abdomen, anterior view (image by ND, specimen ID: ---31759)

brignsinhafpabda31759ND.tif

Brignolia sinharaja, female abdomen, lateral view (image by ND, specimen ID: ---31759)

brignsinhafpabdl31759ND.tif

Brignolia sinharaja, female abdomen, ventral view (image by ND, specimen ID: ---31759)

brignsinhafpabdv31759ND.tif

Brignolia sinharaja, female carapace, anterior view (image by ND, specimen ID: ---31759)

brignsinhafpcara31759ND.tif

Brignolia sinharaja, female carapace, dorsal view (image by ND, specimen ID: ---31759)

brignsinhafpcard31759ND.tif

Brignolia sinharaja, female carapace, lateral view (image by ND, specimen ID: ---31759)

brignsinhafpcarl31759ND.tif

Brignolia sinharaja, female carapace, posterior view (image by ND, specimen ID: ---31759)

brignsinhafpcart31759ND.tif

Brignolia sinharaja, female sternum, ventral view (image by ND, specimen ID: ---31759)

brignsinhafpstev31759ND.tif

Brignolia sinharaja, female internal female genitalia, dorsal view (image by ND, specimen ID: ---31759)

brignsinhafpifgd31759ND.tif

Brignolia sinharaja, female internal female genitalia, ventral view (image by ND, specimen ID: ---31759)

brignsinhafpifgv31759ND.tif

 

DISTRIBUTION

SRI LANKA
Brignolia sinharaja 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 Brignolia sinharaja, 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 00031759  SRI LANKA  Sabaragamuwa  Ratnapura  Sinharaja Forest Reserve  1 Adult Female      6.41666; 80.50000    23 Aug 1981  unknown  NML 
PBI_OON 00031759  SRI LANKA  Sabaragamuwa  Ratnapura  Sinharaja Forest Reserve  1 Adult Male      6.41666; 80.50000    23 Aug 1981  unknown  NML 


 
 
 
 
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