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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Neotrops silvae       Get publication



            Male (PBI_OON 43316). Total length 1.66. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid 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 dark, needle-like, present, scattered; non-marginal pars thoracica setae dark, needle-like; marginal setae absent. Clypeus margin unmodified, curved downwards in front view, vertical in lateral view, low, ALE separated from edge of carapace by less than their radius, median projection absent; setae absent. Chilum absent. Eyes six, well developed, all subequal, ALE circular, PME oval, PLE oval; posterior eye row recurved from above, procurved from front; ALE separated by more than their 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 as long as wide, pale orange, 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 unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles present, lateral margins unmodified, without posterior hump; setae sparse, dark, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered; paturon inner margin with pairs of enlarged setae, distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified. Labium elongated hexagon, not 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 backwards folded ridge, posteromedian part unmodified, same as sternum in sclerotization. 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 large, elliptical, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum absent. Epigastric scutum weakly sclerotized, not surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum weakly sclerotized, pale orange, short, only around epigastric furrow, not fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes. Spinneret scutum absent. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Dense patch of setae anterior to spinnerets absent. Colulus represented only by setae. LEGS: pale orange, without color pattern; femur IV thickened, much larger than femora I-III, patella plus tibia I near as long as carapace, tibia I unmodified. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): (leg I: femora: d1; tibiae: v2-2-2-2-2-0; metatarsi: v2-2-2-2-0, leg II: tibiae: v2-2-2-2-2-0; metatarsi: v2-2-2-2-0, leg III: femora: d1-1; tibiae: p1-1, r1-1; metatarsi: d1subap, p1-1, r1-1, leg IV: femora: d1-1-1; tibiae: d1, p1-1, r1-1, v1-1ap; metatarsi: d1subap, p1-1, r1-1,v1-2ap. ). 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 not visible; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus dark, prolateral excavation absent; 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 trichobothria not examined; cymbium pale orange, ovoid in dorsal view, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae, partially fused to the bulb; bulb pale orange, more than 2 times as long as cymbium, slender, elongated, distal part conductor complex, with two elements, one medial, traslucent, distally expanded, and other more sclerotized, thin and curved at its base..
Neotrops silvae, male habitus, dorsal view (image by XG, specimen ID: ---43316)

Neotrsilvamphabd43316XG.tif

Neotrops silvae, male habitus, ventral view (image by XG, specimen ID: ---43316)

Neotrsilvamphabv43316XG.tif

Neotrops silvae, male habitus, lateral view (image by XG, specimen ID: ---43316)

Neotrsilvamphabl43316XG.tif

Neotrops silvae, male habitus, anterior view (image by XG, specimen ID: ---43316)

Neotrsilvamphaba43316XG.tif

Neotrops silvae, male carapace, dorsal view (image by XG, specimen ID: ---43316)

Neotrsilvampcard43316XG.tif

Neotrops silvae, male carapace, ventral view (image by XG, specimen ID: ---43316)

Neotrsilvampcarv43316XG.tif

Neotrops silvae, male carapace, lateral view (image by XG, specimen ID: ---43316)

Neotrsilvampcarl43316XG.tif

Neotrops silvae, male palp, prolateral view (image by XG, specimen ID: ---43316)

Neotrsilvamppalp43316XG.tif

Neotrops silvae, male palp, dorsal view (image by XG, specimen ID: ---43316)

Neotrsilvamppald43316XG.tif

Neotrops silvae, male palp, retrolateral view (image by XG, specimen ID: ---43316)

Neotrsilvamppalr43316XG.tif

Neotrops silvae, male palp, retrolateral view (image by XG, specimen ID: ---43316)

Neotrsilvamdpalr43316XG.tif


            Female (PBI_OON 43316). Total length 1.98. As in male except as noted. CEPHALOTHORAX: Female palp claws absent; spines absent; tarsus unmodified. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): (leg I: femora: d1-1; tibiae: v2-2-2-2-2-0; metatarsi: v2-2-2-0, leg II: femora: d1-1; tibiae: v2-2-2-2-2-0; metatarsi: v2-2-2-0, leg III: femora: d1-1-1; tibiae: p1-1, r1-1, v1-1ap; metatarsi: p1-1, r1-1, v1-2ap, leg IV: femora: d1-1-1; tibiae: d1, p1-1, r1-1, v1-1ap; metatarsi: p1-1, r1-1,v1-2ap. ). Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Dorsal view: anterior receptacle relatively short (around half of the posterodorsal plate), with stalk gradually widened to forward and with a transverse oval distal part, and with a small vesicle-shaped element at its base,.
Neotrops silvae, female habitus, dorsal view (image by XG, specimen ID: ---43157)

Neotrsilvafphabd43157XG.tif

Neotrops silvae, female habitus, ventral view (image by XG, specimen ID: ---43157)

Neotrsilvafphabv43157XG.tif

Neotrops silvae, female habitus, lateral view (image by XG, specimen ID: ---43157)

Neotrsilvafphabl43157XG.tif

Neotrops silvae, female habitus, anterior view (image by XG, specimen ID: ---43157)

Neotrsilvafphaba43157XG.tif

Neotrops silvae, female carapace, dorsal view (image by XG, specimen ID: ---43157)

Neotrsilvafpcard43157XG.tif

Neotrops silvae, female carapace, ventral view (image by XG, specimen ID: ---43157)

Neotrsilvafpcarv43157XG.tif

Neotrops silvae, female carapace, lateral view (image by XG, specimen ID: ---43157)

Neotrsilvafpcarl43157XG.tif

Neotrops silvae, female epigynum, epigynal area, ventral view (image by XG, specimen ID: ---43157)

Neotrsilvafpepiv43157XG.tif

Neotrops silvae, female internal female genitalia, dorsal view (image by XG, specimen ID: ---43157)

Neotrsilvafdifgd43157XG.tif

 

DISTRIBUTION

PERU
Neotrops silvae 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 Neotrops silvae, 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 00043157  PERU  Loreto    Río Samiria  3 Adult Female      -5.11666; -75.46666    01 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043153  PERU  Loreto    Pithecia  1 Adult Female      -5.18333; -74.70000    01 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043316  PERU  Loreto    Río Samiria  3 Adult Female  Paratype    -5.11666; -75.46666    01 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043153  PERU  Loreto    Pithecia  1 Adult Male      -5.18333; -74.70000    01 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043316  PERU  Loreto    Río Samiria  3 Adult Male  Paratype    -5.11666; -75.46666    01 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043058  PERU  Loreto    Pithecia  1 Adult Female      -5.18333; -74.70000    23 May 1990  T. Erwin, D. Silva  MUSM 
PBI_OON 00043316  PERU  Loreto    Río Samiria  1 Adult Male  Holotype    -5.11666; -75.46666    01 May 1990  T. Erwin, D. Silva  MUSM 


 
 
 
 
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