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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Aposphragisma retifer       Get publication



            Male (PBI_OON00016080). Total length 1.57. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica slightly elevated in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, 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 strongly reticulate, thorax without depressions, fovea absent, reticulation on carapace surface sides partly interrupted by small smooth areas; carapace margin with sluice, reaching level of coxa I; carapace colour: 123A Cinnamon(Smithe, 1975: Naturalist's Color Guide, AMNH), without radiating rows of pits; lateral margin straight, rebordered, with blunt denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae light, needle-like, present in u-shaped row, setae arranged in a long u-shaped row reaching posterior edge of pars cephalica; each setae originating from the middle of a pitlike structure with partly swollen edges, especially pronounced at posterior edge of pars cephalica; non-marginal pars thoracica setae absent; marginal setae light, needle-like, denticles at carapace margin represent modified hair bases, setae originating from anterior face of denticles, pointing anteriorly. Clypeus 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, light, needle-like. Chilum absent. Eyes six, well developed, ALE largest, all eyes oval; posterior eye row straight from above, procurved from front; ALE separated by less than their radius, ALE-PLE touching, PME touching throughout most of their length, PLE-PME touching. Sternum longer than wide, pale orange, uniform, fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow wrinkled, radial furrow opposite coxae III absent, surface finely reticulate, without pits, microsculpture everywhere but middle, 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 unmodified, distance between coxae approximately equal, lateral margins unmodified, without posterior hump, infra-coxal grooves present; radial furrows between coxae I-II, II-III and III-IV only very weakly developed, rather appearing as indentions of sternum margin; sternum microsculptures lobed; sternum surface setae originating from middle of microsculptures, smooth middle strip without setae; posterior edge of sternum protruding as single extension; setae sparse, light, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae inner margin of paturon anterior face distally with small toothlike projection (outgrowth of paturon promargin), pointing inwards; proximal part of anterior face of paturon convex in lateral view with step; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed posteriorly, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, evenly scattered, anterior face of cheliceraes with few, rather evenly scattered setae; paturon distal region unmodified, promargin with row of flattened setae, inner margin unmodified. Labium triangular, fused to sternum, anterior margin deeply incised, same as sternum in sclerotization; subdistal portion with unmodified setae, ventral surface with 5 needle-like setae: two subdistal setae (one on each side of labium incision) and a transverse line of 3 more proximal setae. Endites distally not excavated, anteromedian tip unmodified, posteromedian part unmodified, same as sternum in sclerotization, outer margin subdistally with a pair of long setae. 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, elongated ovoid (sides almost parallel), about 3x longer than wide. Posterior spiracles connected by groove. Pedicel tube short, ribbed, scuto-pedicel region with widely oval scutal ridge, scutum not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, dorsal part of epigastric scutum with subterminal ridge (=widely oval scutal ridge). Dorsal scutum strongly sclerotized, pale orange, without color pattern, covering full length of abdomen, no soft tissue visible from above, not fused to epigastric scutum, middle surface smooth, sides smooth, anterior half without projecting denticles, surface smooth, but bases of setae appearing pitlike, giving a punctate impression. 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, light, needle-like. Epigastric area setae uniform, light, needle-like. Postepigastric area setae present, light, needle-like. Spinneret scutum with fringe of needle-like setae. Dense patch of setae anterior to spinnerets absent. Interscutal membrane with setae. Colulus present. LEGS: pale orange, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I shorter than carapace, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent , metatarsi III and IV weak ventral scopula absent, femora in dorsal view: Femur IV recurved, Femora I-II procurved, Femur III slightly procurved, tibiae tibia III & IV with a cluster of special hairs on ventral apex, metatarsi metatarsi III & IV with a cluster of dagger like hairs on ventral apex with serrated lateral margins; dorsal apex of metatarsi I-IV with small, shieldlike appendage. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria examined with Compound microscope; tibia: each with three; metatarsus: each with one. GENITALIA: Epigastric region with sperm pore small, oval, situated between anterior and posterior spiracles, rebordered; 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 with 3 trichobothria; cymbium yellow, ovoid in dorsal view, fused with bulb but with clearly defined seam between, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, with distal patch of setae; bulb yellow, 1 to 1.5 times as long as cymbium, stout, tapering apically, distal part embolus-conductor complex two-part: a lamellar embolus is closely associated with a lamellar conductor of aprox. equal length, both tapering apically.

            Female (PBI_OON 32177). Total length 1.69. As in male except as noted. CEPHALOTHORAX: Carapace orange-brown, reticulation on carapace surface sides partly interrupted by small smooth areas; carapace margin with sluice, reaching level of coxa I; carapace colour: 136 Raw Sienna(Smithe, 1975: Naturalist's Color Guide, AMNH); non-marginal pars cephalica setae setae arranged in a long u-shaped row reaching posterior edge of pars cephalica; each setae originating from the middle of a pitlike structure with partly swollen edges, especially pronounced at posterior edge of pars cephalica; marginal setae denticles at carapace margin represent modified hair bases, setae originating from anterior face of denticles, pointing anteriorly. Sternum orange-brown, infra-coxal grooves present; radial furrows between coxae I-II, II-III and III-IV only very weakly developed, rather appearing as indentions of sternum margin; sternum microsculptures lobed; sternum surface setae originating from middle of microsculptures, smooth middle strip without setae; posterior edge of sternum protruding as single extension. Mouthparts: Chelicerae, endites and labium orange-brown. Chelicerae inner margin of paturon anterior face distally without small toothlike projection (cf male); proximal part of anterior face of paturon convex in lateral view with step; setae anterior face of cheliceraes with few, rather evenly scattered setae. Labium ventral surface with 5 needle-like setae: two subdistal setae (one on each side of labium incision) and a transverse line of 3 more proximal setae. Endites outer margin subdistally with a pair of long setae. Female palp claws absent; spines absent; tarsus unmodified. ABDOMEN: Book lung covers elongated ovoid, about 3-4x longer than wide. Pedicel dorsal part of epigastric scutum with subterminal ridge (=widely oval scutal ridge). Dorsal scutum orange-brown, surface smooth, but bases of setae appearing pitlike, giving a punctate impression. Epigastric scutum without lateral joints. Postepigastric scutum orange-brown, not fused to epigastric scutum. LEGS: femora in dorsal view: Femur IV recurved, Femora I-II procurved, Femur III slightly procurved, tibiae tibia III & IV with a cluster of special hairs on ventral apex, metatarsi metatarsi III & IV with a cluster of dagger like hairs on ventral apex with serrated lateral margins; dorsal apex of metatarsi I-IV with small, shieldlike appendage. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria examined with Compound microscope.
 

DISTRIBUTION

MALAYSIA
Aposphragisma retifer 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 Aposphragisma retifer, 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 00016080  MALAYSIA  Sarawak    Gunung Gading National Park, near Lundu  1 Adult Male  Holotype    1.68805; 109.85138    30 May 2007  A. Schultz  MHNG 
PBI_OON 00032177  MALAYSIA  Sarawak    Gunung Gading National Park, near Lundu  1 Adult Female  Paratype    1.68805; 109.85138    30 May 2007  A. Schultz  MHNG 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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This material is based upon work supported by the National Science Foundation under Grant No. DEB 0613754. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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