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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Orchestina acaciae       Get publication



            Male (PBI_OON 33858). CEPHALOTHORAX: Carapace yellow, with net-shaped pattern, elongate oval in dorsal view, pars cephalica domed 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 smooth, thorax without depressions, fovea absent, carapace surface provided with small platelets in SEM view, 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 needle-like, present, scattered, absent from lateral side; non-marginal pars thoracica setae needle-like; marginal setae absent. Clypeus margin unmodified, sloping forward in lateral view, high, ALE separated from edge of carapace by their radius or more, median projection absent; setae present, needle-like. Chilum absent. Eyes six, well developed, aLE-PME touching, PME largest, all eyes circular; posterior eye row recurved from above, straight from front; ALE separated by more than their diameter, ALE-PLE touching, 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, without radial furrows between coxae I-II, II-III, III-IV, surface smooth, without pits, microsculpture absent, sickle-shaped structures absent, posterior margin extending posteriorly beyond anterior edges of coxae IV as single extension, 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 abundant, needle-like, evenly scattered, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; promargin without teeth, retromargin with three or more teeth; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae needle-like, evenly scattered, sparse, fang base provided with two pairs of modified setae covered with spiny outgrowths on half their length; paturon inner margin with scattered setae, distal region unmodified. Labium elongated hexagon, fused to sternum, anterior margin not indented at middle, same as sternum in sclerotization; with 6 or more setae on anterior margin, anteriorly with three subdistal setae, medially with one pair of setae, posteriorly with one seta. Endites serrula present in single row, posteromedian part unmodified, same as sternum in sclerotization, anterior part bifid, one prong with sclerotized tip, other one provided with flattened, pectinate setae; anteromedian sclerotized tip with strong, hook like projection pointing forward; posterior part provided with diagonal furrow. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions pale white, with dark posterior end. Book lung covers without setae, anterolateral edge unmodified. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum absent, but abdomen extending anteriad of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent, covered dorsally by sclerotized, triangular carapace extension, pointing backward; with meshed texture visible in SEM view;. Dorsal scutum absent. Epigastric scutum absent. Postepigastric scutum absent. Spinneret scutum absent. Dorsum setae present, needle-like. Epigastric area setae uniform, needle-like. Postepigastric area setae present, needle-like. Dense patch of setae anterior to spinnerets absent. Colulus represented only by setae. Spinnerets: ALS: aLS with 4 spigots; PMS: pMS with 1 spigots; PLS: pLS with 2 spigots. LEGS: white, without color pattern; femur IV thickened, much larger than femora I-III, patella plus tibia I shorter than carapace, tibia I unmodified, tibia I Emeritís glands absent, tibia IV specialized hairs on ventral apex absent, tibia IV ventral scopula absent, metatarsi III and IV weak ventral scopula absent, metatarsi apical part provided with group of small modified setae on prolateral side of leg I, II and III;, tarsi bearing claws with proximal tooth divided itself in three smaller teeth;. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria examined with SEM; tibia: each with three; metatarsus: each with one; base rounded, aperture internal texture not grate-like, hood covered by numerous low, closely spaced ridges, hood incomplete, interrupted in front by plate at level of aperture margin. 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; embolus dark, short, cylindrical at base, flattened at extremity, distally with shallow, ventral groove, ending in well developed triangular tooth at edge of distal, slightly concave, platform; 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, setae unmodified, attachment to tibia basally; tibia one to two times as wide as femur; cymbium yellow, ovoid in dorsal view, not fused with bulb, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb yellow, more than 2 times as long as cymbium, stout, tapering apically, with retrolateral side strongly protruding.
Orchestina acaciae, male habitus, anterior view (image by AH, specimen ID: ---33857)

orcheacacimphaba33857AH.tif

Orchestina acaciae, male habitus, dorsal view (image by AH, specimen ID: ---33857)

orcheacacimphabd33857AH.tif

Orchestina acaciae, male habitus, dorsal view (image by AH, specimen ID: ---33858)

orcheacacimphabd33858AH.tif

Orchestina acaciae, male habitus, lateral view (image by AH, specimen ID: ---33857)

orcheacacimphabl33857AH.tif

Orchestina acaciae, male prosoma (sternum+peripheral area), ventral view (image by AH, specimen ID: ---33857)

orcheacacimpprsv33857AH.tif

Orchestina acaciae, male endites, prolateral view (image by AH, specimen ID: ---33858)

orcheacacimpendp33858AH.tif

Orchestina acaciae, male palp, prolateral view (image by AH, specimen ID: ---33857)

orcheacacimppalp33857AH.tif

Orchestina acaciae, male palp, retrolateral view (image by AH, specimen ID: ---33857)

orcheacacimppalr33857AH.tif

Orchestina acaciae, male palp, anterior view (image by AH, specimen ID: ---33857)

orcheacacimppala33857AH.tif

Orchestina acaciae, male palp, dorsal view (image by AH, specimen ID: ---33857)

orcheacacimppald33857AH.tif

Orchestina acaciae, male palp, posterior view (image by AH, specimen ID: ---33857)

orcheacacimppalt33857AH.tif

Orchestina acaciae, male chelicerae, dorsal view (image by AH, specimen ID: ---33856)

orcheacacimsched33856AH.tif

Orchestina acaciae, male bulb, anterior view (image by AH, specimen ID: ---33856)

orcheacacimsbula33856AH.tif

Orchestina acaciae, male embolus, anterior view (image by AH, specimen ID: ---33856)

orcheacacimsemba33856AH.tif

Orchestina acaciae, male embolus, retrolateral view (image by AH, specimen ID: ---33856)

orcheacacimsembr33856AH.tif

Orchestina acaciae, male endites, anterior view (image by AH, specimen ID: ---33856)

orcheacacimsenda33856AH.tif

Orchestina acaciae, male embolus, ventral view (image by AH, specimen ID: ---33856)

orcheacacimsembv33856AH.tif

Orchestina acaciae, male endites, lateral view (image by AH, specimen ID: ---33146)

orcheacacimsendl33146AH.tif

Orchestina acaciae, male endites, lateral view (image by AH, specimen ID: ---33856)

orcheacacimsendl33856AH.tif

Orchestina acaciae, male endites, ventral view (image by AH, specimen ID: ---33856)

orcheacacimsendv33856AH.tif

Orchestina acaciae, male labium, lateral view (image by AH, specimen ID: ---33146)

orcheacacimslabl33146AH.tif

Orchestina acaciae, male labium, ventral view (image by AH, specimen ID: ---33146)

orcheacacimslabv33146AH.tif

Orchestina acaciae, male labium, ventral view (image by AH, specimen ID: ---33856)

orcheacacimslabv33856AH.tif

Orchestina acaciae, male palp, anterior view (image by AH, specimen ID: ---33856)

orcheacacimspala33856AH.tif

Orchestina acaciae, male palp, prolateral view (image by AH, specimen ID: ---33856)

orcheacacimspalp33856AH.tif

Orchestina acaciae, male palp, retrolateral view (image by AH, specimen ID: ---33856)

orcheacacimspalr33856AH.tif

Orchestina acaciae, male prosoma (sternum+peripheral area), ventral view (image by AH, specimen ID: ---33856)

orcheacacimsprsv33856AH.tif

Orchestina acaciae, male trichobothrium, metatarsus I, dorsal view (image by AH, specimen ID: ---33856)

orcheacacimstm1d33856AH.tif

Orchestina acaciae, male trichobothrium, tibia I, dorsal view (image by AH, specimen ID: ---33856)

orcheacacimstt1d33856AH.tif

Orchestina acaciae, male embolus, posterior view (image by AH, specimen ID: ---33856)

orcheacacimsembt33856AH.tif

Orchestina acaciae, male tarsal organ, palp, dorsal view (image by AH, specimen ID: ---33856)

orcheacacimstopd33856AH.tif


            Female (PBI_OON_0033861). As in male except as noted. CEPHALOTHORAX: Carapace pars cephalica strongly elevated in lateral view. Clypeus curved downwards in front view; setae dark. Eyes aLE-PME touching. Sternum anterior margin unmodified; setae dark. Mouthparts: Chelicerae, endites and labium yellow. retromargin without teeth. Labium anterior margin indented at middle; subdistal portion with unmodified setae. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified. ABDOMEN: with long posterior extension; dorsum soft portions yellow. Epigastric area dark. Spinnerets: ALS: aLS with 4 spigots; PMS: pMS with 2 spigots; PLS: pLS with 3 spigots. LEGS: metatarsi I and II meso-apical comb absent. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: fairly complex, with small circular structure near posterior margin on each side of central longitudinal dark area, latter provided with two recurved arc shapes in in front.
Orchestina acaciae, female habitus, anterior view (image by AH, specimen ID: ---33859)

orcheacacifphaba33859AH.tif

Orchestina acaciae, female habitus, dorsal view (image by AH, specimen ID: ---33861)

orcheacacifphabd33861AH.tif

Orchestina acaciae, female habitus, lateral view (image by AH, specimen ID: ---33859)

orcheacacifphabl33859AH.tif

Orchestina acaciae, female prosoma (sternum+peripheral area), ventral view (image by AH, specimen ID: ---33859)

orcheacacifpprsv33859AH.tif

Orchestina acaciae, female epigynum, epigynal area, ventral view (image by AH, specimen ID: ---33859)

orcheacacifpepiv33859AH.tif

Orchestina acaciae, female epigynum, epigynal area, ventral view (image by AH, specimen ID: ---33873)

orcheacacifpepiv33873AH.tif

Orchestina acaciae, female epigynum, epigynal area, dorsal view (image by AH, specimen ID: ---33859)

orcheacacifpepid33859AH.tif

Orchestina acaciae, female ALS, ventral view (image by AH, specimen ID: ---33146)

orcheacacifsALSv33146AH.tif

Orchestina acaciae, female epigynum, epigynal area, anterior view (image by AH, specimen ID: ---33350)

orcheacacifsepia33350AH.tif

Orchestina acaciae, female epigynum, epigynal area, dorsal view (image by AH, specimen ID: ---33350)

orcheacacifsepid33350AH.tif

Orchestina acaciae, female epigynum, epigynal area, lateral view (image by AH, specimen ID: ---33350)

orcheacacifsepil33350AH.tif

Orchestina acaciae, female epigynum, epigynal area, posterior view (image by AH, specimen ID: ---33350)

orcheacacifsepit33350AH.tif

Orchestina acaciae, female PLS, ventral view (image by AH, specimen ID: ---33146)

orcheacacifsPLSv33146AH.tif

Orchestina acaciae, female PMS, ventral view (image by AH, specimen ID: ---33146)

orcheacacifsPMSv33146AH.tif

 

DISTRIBUTION

TANZANIA
Orchestina acaciae 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 Orchestina acaciae, 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 00033664  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  13 Apr 1995  McGavin G.C.  MRAC 
PBI_OON 00033873  TANZANIA      Mkomazi Game Reserve  1 Adult Female      3.88333; 37.88333  tropical savanna, Canopy  01 Jan 1996  McGavin G.C.  MRAC 
PBI_OON 00033660  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  07 Apr 1995  McGavin G.C.  OUMNH 
PBI_OON 00033663  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  30 Dec 1995  McGavin G.C.  OUMNH 
PBI_OON 00033662  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  12 Apr 1995  McGavin G.C.  OUMNH 
PBI_OON 00033874  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  01 Feb 1996  McGavin G.C.  MRAC 
PBI_OON 00033856  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  12 Apr 1995  McGavin G.C.  MRAC 
PBI_OON 00033859  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  31 Dec 1995  McGavin G.C.  OUMNH 
PBI_OON 00033659  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  01 Sept 1997  McGavin G.C.  OUMNH 
PBI_OON 00033665  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  06 Jan 1996  McGavin G.C.  OUMNH 
PBI_OON 00016801  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  15 Apr 1995  McGavin G.C.  MRAC 
PBI_OON 00016800  TANZANIA      Mkomazi Game Reserve  1 Adult Female      3.88333; 37.88333  tropical savanna, Canopy  31 Dec 1995  McGavin G.C.  MRAC 
PBI_OON 00033900  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  30 Dec 1995  McGavin G.C.  MRAC 
PBI_OON 00033860  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  02 Jan 1996  McGavin G.C.  OUMNH 
PBI_OON 00033658  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  10 Aug 1994  McGavin G.C.  OUMNH 
PBI_OON 00033668  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  30 Dec 1995  McGavin G.C.  OUMNH 
PBI_OON 00033858  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Holotype    3.88333; 37.88333  tropical savanna, Canopy  31 Dec 1995  McGavin G.C.  OUMNH 
PBI_OON 00016799  TANZANIA      Mkomazi Game Reserve  1 Adult Male      3.88333; 37.88333  tropical savanna, Canopy  15 Apr 1995  McGavin G.C.  MRAC 
PBI_OON 00033146  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  30 Dec 1995  McGavin G.C.  MRAC 
PBI_OON 00033861  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  06 Jan 1996  McGavin G.C.  OUMNH 
PBI_OON 00033661  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  02 Jan 1996  McGavin G.C.  OUMNH 
PBI_OON 00033422  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  30 Dec 1995  McGavin G.C.  OUMNH 
PBI_OON 00033857  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    3.88333; 37.88333  tropical savanna, Canopy  06 Jan 1996  McGavin G.C.  OUMNH 
PBI_OON 00033875  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    3.88333; 37.88333  tropical savanna, Canopy  01 Feb 1996  McGavin G.C.  MRAC 


 
 
 
 
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