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



            Male (PBI_OON 35285). Total length 1.88. CEPHALOTHORAX: Carapace orange-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 without 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 two enlarged setae on each side but without distinct tubercles, 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, sinuous 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 less than their radius, 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, orange-brown, uniform, fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow with rows of small pits, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture only in furrows, sickle-shaped structures absent, anterior margin with continuous transverse groove, 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, without posterior hump; setae sparse, dark, needle-like, densest laterally, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. 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. 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. Posterior spiracles connected by groove. Pedicel tube short, ribbed, 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, orange-brown, 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: pale orange, 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, long, with deep incision on prolateral side, distally recurved; trochanter normal size, with ventral projection; 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, distinctly bent at midlength; tibia trichobothria with 2 trichobothria; 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, tapering apically.
Brignolia trichinalis, male abdomen, anterior view (image by ND, specimen ID: ---35285)

Brigntrichmpabda35285ND.tif

Brignolia trichinalis, male abdomen, lateral view (image by ND, specimen ID: ---35285)

Brigntrichmpabdl35285ND.tif

Brignolia trichinalis, male carapace, anterior view (image by ND, specimen ID: ---35285)

Brigntrichmpcara35285ND.tif

Brignolia trichinalis, male abdomen, ventral view (image by ND, specimen ID: ---35285)

Brigntrichmpabdv35285ND.tif

Brignolia trichinalis, male carapace, dorsal view (image by ND, specimen ID: ---35285)

Brigntrichmpcard35285ND.tif

Brignolia trichinalis, male carapace, lateral view (image by ND, specimen ID: ---35285)

Brigntrichmpcarl35285ND.tif

Brignolia trichinalis, male carapace, posterior view (image by ND, specimen ID: ---35285)

Brigntrichmpcart35285ND.tif

Brignolia trichinalis, male sternum, ventral view (image by ND, specimen ID: ---35285)

Brigntrichmpstev35285ND.tif

Brignolia trichinalis, male bulb, prolateral view (image by ND, specimen ID: ---35285)

Brigntrichmpbulp35285ND.tif

Brignolia trichinalis, male bulb, retrolateral view (image by ND, specimen ID: ---35285)

Brigntrichmpbulr35285ND.jpg

Brignolia trichinalis, male palp, prolateral view (image by ND, specimen ID: ---35285)

Brigntrichmppalp35285ND.tif

Brignolia trichinalis, male palp, retrolateral view (image by ND, specimen ID: ---35285)

Brigntrichmppalr35285ND.tif

Brignolia trichinalis, male abdomen, anterior view (image by ND, specimen ID: ---35285)

Brigntrichmsabda35285ND.tif

Brignolia trichinalis, male carapace, dorsal view (image by ND, specimen ID: ---35285)

Brigntrichmscard35285ND.tif

Brignolia trichinalis, male carapace, posterior view (image by ND, specimen ID: ---35285)

Brigntrichmscart35285ND.tif

Brignolia trichinalis, male embolus, dorsal view (image by ND, specimen ID: ---35285)

Brigntrichmsembd35285ND.tif

Brignolia trichinalis, male endites, ventral view (image by ND, specimen ID: ---35285)

Brigntrichmsendv35285ND.tif

Brignolia trichinalis, male palp, dorsal view (image by ND, specimen ID: ---35285)

Brigntrichmspald35285ND.tif

Brignolia trichinalis, male palp, prolateral view (image by ND, specimen ID: ---35285)

Brigntrichmspalp35285ND.tif

Brignolia trichinalis, male palp, retrolateral view (image by ND, specimen ID: ---35285)

Brigntrichmspalr35285ND.tif

Brignolia trichinalis, male palp, ventral view (image by ND, specimen ID: ---35285)

Brigntrichmspalv35285ND.tif


            Female (PBI_OON 35268). Total length 1.73. As in male except as noted. CEPHALOTHORAX: Sternum anterior margin unmodified. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Epigastric scutum without lateral joints. Postepigastric scutum covering about 3/4 of abdominal length, not fused to epigastric scutum. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: epigastric area with distinct scape. Dorsal view: posterior tube reaching only as far as anterior edge of scape.
Brignolia trichinalis, female abdomen, anterior view (image by ND, specimen ID: ---36778)

Brigntrichfpabda36778ND.tif

Brignolia trichinalis, female carapace, anterior view (image by ND, specimen ID: ---36778)

Brigntrichfpcara36778ND.tif

Brignolia trichinalis, female carapace, dorsal view (image by ND, specimen ID: ---36778)

Brigntrichfpcard36778ND.tif

Brignolia trichinalis, female carapace, lateral view (image by ND, specimen ID: ---36778)

Brigntrichfpcarl36778ND.tif

Brignolia trichinalis, female carapace, posterior view (image by ND, specimen ID: ---36778)

Brigntrichfpcart36778ND.tif

Brignolia trichinalis, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---36778)

Brigntrichfpepiv36778ND.tif

Brignolia trichinalis, female sternum, ventral view (image by ND, specimen ID: ---36778)

Brigntrichfpstev36778ND.tif

Brignolia trichinalis, female internal female genitalia, dorsal view (image by ND, specimen ID: ---36778)

Brigntrichfpifgd36778ND.tif

Brignolia trichinalis, female internal female genitalia, ventral view (image by ND, specimen ID: ---36778)

Brigntrichfpifgv36778ND.tif

Brignolia trichinalis, female abdomen, anterior view (image by ND, specimen ID: ---05480)

Brigntrichfsabda05480ND.tif

Brignolia trichinalis, female carapace, dorsal view (image by ND, specimen ID: ---05480)

Brigntrichfscard05480ND.tif

Brignolia trichinalis, female carapace, posterior view (image by ND, specimen ID: ---05480)

Brigntrichfscart05480ND.tif

 

DISTRIBUTION

MAURITIUS ; SEYCHELLES; SRI LANKA
Brignolia trichinalis 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 trichinalis, Discover Life Map
 

MATERIAL EXAMINED
Order by:    
PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00035285  MAURITIUS      Bambous, Brise Mt.  1 Adult Male    200  -20.34555; 57.75472    27 May 2005  B.L. Fisher et. al.  CAS 
PBI_OON 00035268  MAURITIUS      Île aux Aigrettes  1 Adult Female    -20.41888; 57.73055    28 May 2005  B.L. Fisher et. al.  CAS 
PBI_OON 00005418  SEYCHELLES      Big Sister  1 Adult Female      -4.28333; 55.86666    17 Sept 1975  M. Mühlenberg  MRAC 
PBI_OON 00005480  SEYCHELLES      Big Sister  1 Adult Female      -4.28333; 55.86666    10 Sept 1975  M. Mühlenberg  MRAC 
PBI_OON 00005203  SEYCHELLES      Praslin, Vallée de Mai  1 Adult Female      -4.31666; 55.73333  Lodoicea maldivica rachis litter  25 Jul 1972  P. Benoit, J.Van Mol  MRAC 
PBI_OON 00036778  SEYCHELLES      no specific locality  1 Adult Female      -4.67957; 55.49198  Lodoicea maldivica rachis litter  31 Jan 1977  A. Rundle  CAS 
PBI_OON 00005203  SEYCHELLES      Praslin, Vallée de Mai  1 Adult Male  Holotype    -4.31666; 55.73333  Lodoicea maldivica rachis litter  25 Jul 1972  P. Benoit, J.Van Mol  MRAC 
PBI_OON 00029124  SEYCHELLES      Mahé, riv. Poules Bleues  1 Adult Male      -4.66666; 55.46666  Lodoicea maldivica rachis litter  01 Sept 1976  G. Marlier  MRAC 
PBI_OON 00005513  SRI LANKA  unknown    Des Montagnes de Nuwara Eliya [Nura-Ellia] et Patannas.  2 Adult Male      6.97380; 80.82650  Lodoicea maldivica rachis litter  01 Jan 1900  unknown  MNHN 


 
 
 
 
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