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



            Male (PBI_OON_0033876). CEPHALOTHORAX: Carapace yellowish white, with net-shaped pattern, elongate 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 smooth, 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 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 as long as wide, yellowish white, 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 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 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 yellowish white. Chelicerae straight, anterior face unmodified; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae needle-like, evenly scattered; paturon inner margin with scattered setae, distal region unmodified. Labium fused to sternum, anterior margin not indented at middle, same as sternum in sclerotization, rounded; with 6 or more setae on anterior margin, anteriorly with three subdistal setae, medially with one pair of setae and posteriorly with one seta. Endites distally not excavated, serrula present in single row, posteromedian part unmodified, same as sternum in sclerotization, bifid, one prong with sclerotized tip, provided with flattened, pectinate setae; anteromedian sclerotized tip with sharp, hook-like projection pointing forward; base part 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, without color pattern. Book lung covers small, round, without setae, anterolateral edge unmodified. Pedicel tube short, 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; 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. Spinneret scutum without fringe of setae. Dense patch of setae anterior to spinnerets absent. Colulus represented only by setae. 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 Emerit’s glands absent, tibia IV specialized hairs on ventral apex absent, tibia IV ventral scopula absent, metatarsi III and IV weak ventral scopula absent, 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 not examined. Tarsal organ tarsal organ II with 4 sensilla. 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, proximal segments yellow; embolus dark, prolateral excavation absent, strong, short, at angle of about 120° with longitudinal axis of bulbus, tapering apically, with circular opening at tip; 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, without prolateral row of ridges, setae unmodified; tibia one to two times as wide as femora, swollen at base, trichobothria not examined; cymbium yellow, ovoid in dorsal view, not fused with bulb, not extending beyond distal tip of bulb, plumose setae absent, without stout setae; bulb yellow, more than 2 times as long as cymbium, stout, assymetric, pear shaped in lateral view, with ventral side strongly protruding proximally.
Orchestina ampulla, male habitus, dorsal view (image by AH, specimen ID: ---33893)

orcheampulmphabd33893AH.tif

Orchestina ampulla, male habitus, lateral view (image by AH, specimen ID: ---33893)

orcheampulmphabl33893AH.tif

Orchestina ampulla, male endites, ventral view (image by AH, specimen ID: ---33893)

orcheampulmpendv33893AH.tif

Orchestina ampulla, male palp, anterior view (image by AH, specimen ID: ---33893)

orcheampulmppala33893AH.tif

Orchestina ampulla, male palp, prolateral view (image by AH, specimen ID: ---33893)

orcheampulmppalp33893AH.tif

Orchestina ampulla, male palp, retrolateral view (image by AH, specimen ID: ---33893)

orcheampulmppalr33893AH.tif

Orchestina ampulla, male chelicerae, lateral view (image by AH, specimen ID: ---33894)

orcheampulmschel33894AH.tif

Orchestina ampulla, male embolus, prolateral view (image by AH, specimen ID: ---33894)

orcheampulmsembp33894AH.tif

Orchestina ampulla, male palp, prolateral view (image by AH, specimen ID: ---33894)

orcheampulmspalp33894AH.tif

Orchestina ampulla, male labium, ventral view (image by AH, specimen ID: ---33894)

orcheampulmslabv33894AH.tif

Orchestina ampulla, male endites, ventral view (image by AH, specimen ID: ---33894)

orcheampulmsendv33894AH.tif

Orchestina ampulla, male tarsal organ, leg II, dorsal view (image by AH, specimen ID: ---33894)

orcheampulmsto2d33894AH.tif


            Female (PBI_OON_0033877). As in male except as noted. CEPHALOTHORAX: Carapace pars cephalica strongly elevated in lateral view; non-marginal pars cephalica setae absent from lateral side. Eyes aLE-PME touching. Sternum anterior margin unmodified. Labium rounded; subdistal portion with unmodified setae. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: with long posterior extension, pointed posteriorly. Pedicel covered dorsally by a carapace sclerotized triangular extension, pointing backward;. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: genital area with large, longitudinal structure visible in transparency; posterior part darker; in front with two thin, tubular structures; crossed by strongly sclerotized transverse bar in anterior half, preceded and surrounded by circular plate.
Orchestina ampulla, female epigynum, epigynal area, ventral view (image by AH, specimen ID: ---33877)

orcheampulfpepiv33877AH.tif

Orchestina ampulla, female habitus, dorsal view (image by AH, specimen ID: ---33877)

orcheampulfphabd33877AH.tif

Orchestina ampulla, female habitus, lateral view (image by AH, specimen ID: ---33877)

orcheampulfphabl33877AH.tif

Orchestina ampulla, female epigynum, epigynal area, dorsal view (image by AH, specimen ID: ---33355)

orcheampulfpepid33355AH.tif

Orchestina ampulla, female abdomen, ventral view (image by AH, specimen ID: ---33877)

orcheampulfpabdv33877AH.tif

 

DISTRIBUTION

TANZANIA
Orchestina ampulla 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 ampulla, 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 00033876  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Holotype    -4.50000; 38.00000  tropical savanna, Canopy  10 Jan 1996  McGavin G.C.  OUMNH 
PBI_OON 00016804  TANZANIA      Mkomazi Game Reserve  1 Adult Female      -4.50000; 38.00000  tropical savanna, Canopy  02 Jan 1996  McGavin G.C.  MRAC 
PBI_OON 00033894  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    -3.88333; 37.88333  tropical savanna, Canopy  01 Oct 1996  McGavin G.C.  OUMNH 
PBI_OON 00033893  TANZANIA      Mkomazi Game Reserve  1 Adult Male  Paratype    -3.88333; 37.88333  tropical savanna, Canopy  01 Oct 1996  McGavin G.C.  OUMNH 
PBI_OON 00033355  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    -3.88333; 37.88333  tropical savanna, Canopy  01 Oct 1996  McGavin G.C.  OUMNH 
PBI_OON 00033877  TANZANIA      Mkomazi Game Reserve  1 Adult Female  Paratype    -3.88333; 37.88333  tropical savanna, Canopy  01 Oct 1996  McGavin G.C.  OUMNH 
PBI_OON 00016803  TANZANIA      Mkomazi Game Reserve  1 Adult Male      -4.50000; 38.00000  tropical savanna, Canopy  10 Jan 1995  McGavin G.C.  MRAC 


 
 
 
 
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