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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Prodysderina megarmata       Get publication



            Male (PBI_OON 20). Total length 1.83. CEPHALOTHORAX: Carapace orange-brown, without any pattern, broadly oval in dorsal view, pars cephalica strongly 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 with strongly sclerotized, triangular extension, posterolateral surface without spikes, surface of elevated portion of pars cephalica granulate, sides granulate, thorax without depressions, fovea absent, 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, scattered; non-marginal pars thoracica setae light, needle-like; marginal setae light, 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 present; setae present, light, needle-like. Chilum fused to clypeus. Eyes six, well developed, ALE largest, 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 wider than long, orange-brown, uniform, not 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 coarsely reticulate, without pits, microsculpture everywhere but front, sickle-shaped structures absent, anterior margin with continuous transverse groove, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin with infra-coxal grooves and anterior and posterior openings, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins with bridges to coxae, with posterior hump, lateral and posterior margins with tuberculate setal bases; 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; with one tooth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae dark, needle-like, densest medially; paturon inner margin with scattered setae, distal region unmodified, posterior surface unmodified, promargin with row of flattened setae, inner margin unmodified, laminate groove absent. Labium triangular, not fused to sternum, anterior margin not 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 absent, posteromedian part unmodified, same as sternum in sclerotization, anterior portion sharply pointed. 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, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube medium, ribbed, scuto-pedicel region unmodified, scutum 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 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 smooth, sides smooth, anterior half without projecting denticles. Epigastric scutum strongly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent. Postepigastric scutum strongly sclerotized, orange-brown, almost 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, 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 present. LEGS: orange-brown, 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 absent, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-0-2; r1-1-1; II p0-0-1; tibiae: I v4-4-2; II v4-4-1p; metatarsi: I v2-2-1p; II v3-2-0. 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 large, narrow, slit-like, 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, distal prong about four times as long as proximal prong, sharply bent at about one-fourth its length; 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 yellow, ovoid in dorsal view, completely fused with bulb, no seam visible, extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb yellow, shorter than cymbium, stout, elongated.
Prodysderina megarmata, male palp, prolateral view (image by ND, specimen ID: ---00020)

prodymegarmppalp00020ND.tif

Prodysderina megarmata, male palp, retrolateral view (image by ND, specimen ID: ---00020)

prodymegarmppalr00020ND.tif

Prodysderina megarmata, male palp, ventral view (image by ND, specimen ID: ---00020)

prodymegarmppalv00020ND.tif

Prodysderina megarmata, male sternum, ventral view (image by ND, specimen ID: ---00020)

prodymegarmpstev00020ND.tif

Prodysderina megarmata, male embolus, prolateral view (image by ND, specimen ID: ---00979)

prodymegarmsembp00979ND.tif

Prodysderina megarmata, male embolus, retrolateral view (image by ND, specimen ID: ---00979)

prodymegarmsembr00979ND.tif

Prodysderina megarmata, male embolus, ventral view (image by ND, specimen ID: ---00979)

prodymegarmsembv00979ND.tif

Prodysderina megarmata, male ALS, anterior view (image by ND, specimen ID: ---00979)

prodymegarmsalsa00979ND.tif

Prodysderina megarmata, male carapace, anterior view (image by ND, specimen ID: ---00979)

prodymegarmscara00979ND.tif

Prodysderina megarmata, male carapace, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmscard00979ND.tif

Prodysderina megarmata, male carapace, lateral view (image by ND, specimen ID: ---00979)

prodymegarmscarl00979ND.tif

Prodysderina megarmata, male chelicerae, anterior view (image by ND, specimen ID: ---00979)

prodymegarmschea00979ND.tif

Prodysderina megarmata, male chelicerae, posterior view (image by ND, specimen ID: ---00979)

prodymegarmschet00979ND.tif

Prodysderina megarmata, male claws, leg I, lateral view (image by ND, specimen ID: ---00979)

prodymegarmscl1l00979ND.tif

Prodysderina megarmata, male claws, leg III, anterior view (image by ND, specimen ID: ---00979)

prodymegarmscl3a00979ND.tif

Prodysderina megarmata, male claws, leg III, lateral view (image by ND, specimen ID: ---00979)

prodymegarmscl3l00979ND.tif

Prodysderina megarmata, male claws, leg IV, anterior view (image by ND, specimen ID: ---00979)

prodymegarmscl4a00979ND.tif

Prodysderina megarmata, male claws, leg IV, lateral view (image by ND, specimen ID: ---00979)

prodymegarmscl4l00979ND.tif

Prodysderina megarmata, male endites, ventral view (image by ND, specimen ID: ---00979)

prodymegarmsendv00979ND.tif

Prodysderina megarmata, male labium, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmslabd00979ND.tif

Prodysderina megarmata, male palp, prolateral view (image by ND, specimen ID: ---00979)

prodymegarmspalp00979ND.tif

Prodysderina megarmata, male palp, retrolateral view (image by ND, specimen ID: ---00979)

prodymegarmspalr00979ND.tif

Prodysderina megarmata, male PMS, anterior view (image by ND, specimen ID: ---00979)

prodymegarmspmsa00979ND.tif

Prodysderina megarmata, male PLS, anterior view (image by ND, specimen ID: ---00979)

prodymegarmsplsa00979ND.tif

Prodysderina megarmata, male spinnerets, anterior view (image by ND, specimen ID: ---00979)

prodymegarmsspia00979ND.tif

Prodysderina megarmata, male sperm pore, ventral view (image by ND, specimen ID: ---00979)

prodymegarmsspov00979ND.tif

Prodysderina megarmata, male sternum, ventral view (image by ND, specimen ID: ---00979)

prodymegarmsstev00979ND.tif

Prodysderina megarmata, male tarsal organ, leg III, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmsto3d00979ND.tif

Prodysderina megarmata, male tarsal organ, leg IV, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmsto4d00979ND.tif

Prodysderina megarmata, male tarsal organ, palp, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmstopd00979ND.tif

Prodysderina megarmata, male tarsal organ, leg I, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmsto1d00979ND.tif

Prodysderina megarmata, male claws, leg I, anterior view (image by ND, specimen ID: ---00979)

prodymegarmscl1a00979ND.tif

Prodysderina megarmata, male trichobothrium, metatarsus I, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmstm1d00979ND.tif

Prodysderina megarmata, male palpal tibia, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmsptid00979ND.tif

Prodysderina megarmata, male claws, leg II, lateral view (image by ND, specimen ID: ---00979)

prodymegarmscl2l00979ND.tif

Prodysderina megarmata, male claws, leg II, anterior view (image by ND, specimen ID: ---00979)

prodymegarmscl2a00979ND.tif

Prodysderina megarmata, male tarsal organ, leg II, dorsal view (image by ND, specimen ID: ---00979)

prodymegarmsto2d00979ND.tif


            Female (PBI_OON 38040). Total length 2.13. As in male except as noted. CEPHALOTHORAX: Chilum fused to clypeus. Sternum lateral and posterior margins with tuberculate setal bases, additional tuberculate setal bases near anterior sternal groove. Endites anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Dorsal scutum covering 1/2 to 3/4 of abdomen, more than 1/2 to most of abdomen width, fused to epigastric scutum. Epigastric scutum without lateral joints. Postepigastric scutum widely hexagonal, covering about 1/3 of the abdominal length, not fused to epigastric scutum. LEGS: Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I, II p0-0-2; r1-1-1; tibiae: I v4-4-2; II v4-4-1p; metatarsi: I v2-2-2; II v3-2-0. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: posterior margin of genital atrium with rounded posterior extension.
Prodysderina megarmata, female abdomen, ventral view (image by ND, specimen ID: ---02539)

prodymegarfpabdv02539ND.tif

Prodysderina megarmata, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---02539)

prodymegarfpepiv02539ND.tif

Prodysderina megarmata, female internal female genitalia, dorsal view (image by ND, specimen ID: ---02539)

prodymegarfpifgd02539ND.tif

Prodysderina megarmata, female internal female genitalia, ventral view (image by ND, specimen ID: ---02539)

prodymegarfpifgv02539ND.tif

Prodysderina megarmata, female ALS, anterior view (image by ND, specimen ID: ---38040)

prodymegarfsalsa38040ND.tif

Prodysderina megarmata, female carapace, anterior view (image by ND, specimen ID: ---38040)

prodymegarfscara38040ND.tif

Prodysderina megarmata, female carapace, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfscard38040ND.tif

Prodysderina megarmata, female carapace, lateral view (image by ND, specimen ID: ---38040)

prodymegarfscarl38040ND.tif

Prodysderina megarmata, female chelicerae, anterior view (image by ND, specimen ID: ---38040)

prodymegarfschea38040ND.tif

Prodysderina megarmata, female chelicerae, posterior view (image by ND, specimen ID: ---38040)

prodymegarfschet38040ND.tif

Prodysderina megarmata, female claws, leg I, anterior view (image by ND, specimen ID: ---38040)

prodymegarfscl1a38040ND.tif

Prodysderina megarmata, female claws, leg I, lateral view (image by ND, specimen ID: ---38040)

prodymegarfscl1l38040ND.tif

Prodysderina megarmata, female claws, leg II, anterior view (image by ND, specimen ID: ---38040)

prodymegarfscl2a38040ND.tif

Prodysderina megarmata, female claws, leg II, lateral view (image by ND, specimen ID: ---38040)

prodymegarfscl2l38040ND.tif

Prodysderina megarmata, female claws, leg IV, anterior view (image by ND, specimen ID: ---38040)

prodymegarfscl4a38040ND.tif

Prodysderina megarmata, female claws, leg IV, lateral view (image by ND, specimen ID: ---38040)

prodymegarfscl4l38040ND.tif

Prodysderina megarmata, female endites, ventral view (image by ND, specimen ID: ---38040)

prodymegarfsendv38040ND.tif

Prodysderina megarmata, female epigynum, epigynal area, ventral view (image by ND, specimen ID: ---38040)

prodymegarfsepiv38040ND.tif

Prodysderina megarmata, female internal female genitalia, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfsifgd38040ND.tif

Prodysderina megarmata, female labium, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfslabd38040ND.tif

Prodysderina megarmata, female palp, prolateral view (image by ND, specimen ID: ---38040)

prodymegarfspalp38040ND.tif

Prodysderina megarmata, female palp, retrolateral view (image by ND, specimen ID: ---38040)

prodymegarfspalr38040ND.tif

Prodysderina megarmata, female PLS, anterior view (image by ND, specimen ID: ---38040)

prodymegarfsplsa38040ND.tif

Prodysderina megarmata, female PMS, anterior view (image by ND, specimen ID: ---38040)

prodymegarfspmsa38040ND.tif

Prodysderina megarmata, female palpal tibia, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfsptid38040ND.tif

Prodysderina megarmata, female spinnerets, anterior view (image by ND, specimen ID: ---38040)

prodymegarfsspia38040ND.tif

Prodysderina megarmata, female sternum, ventral view (image by ND, specimen ID: ---38040)

prodymegarfsstev38040ND.tif

Prodysderina megarmata, female tarsal organ, leg I, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfsto1d38040ND.tif

Prodysderina megarmata, female tarsal organ, leg II, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfsto2d38040ND.tif

Prodysderina megarmata, female tarsal organ, leg IV, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfsto4d38040ND.tif

Prodysderina megarmata, female tarsal organ, palp, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfstopd38040ND.tif

Prodysderina megarmata, female claws, leg III, lateral view (image by ND, specimen ID: ---38040)

prodymegarfscl3l38040ND.tif

Prodysderina megarmata, female tarsal organ, leg III, dorsal view (image by ND, specimen ID: ---38040)

prodymegarfsto3d38040ND.tif

Prodysderina megarmata, female claws, leg III, anterior view (image by ND, specimen ID: ---38040)

prodymegarfscl3a38040ND.tif

Prodysderina megarmata, female internal female genitalia, dorsal view (image by ND, specimen ID: ---00980)

Prodymegarfpifgd00980ND.tif

Prodysderina megarmata, female internal female genitalia, ventral view (image by ND, specimen ID: ---00980)

Prodymegarfpifgv00980ND.tif

 

DISTRIBUTION

VENEZUELA
Prodysderina megarmata 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 Prodysderina megarmata, 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 00000980  VENEZUELA  Aragua  Maracay  Rancho Grande, 15 mi N Maracay  1 Adult Female    1400  10.34940; -67.68560  forest litter  19 Feb 1971  S., J. Peck  FMNH 
PBI_OON 00000979  VENEZUELA  Aragua    road to Choroni, 19 km N Maracay  1 Adult Male    1311  10.39171; -66.00582  stream, litter  02 Apr 1992  L. Herman  AMNH 
PBI_OON 00038040  VENEZUELA  Aragua    Rancho Grande 15 km N Maracay  2 Adult Female      10.34940; -67.68560  forest, litter  09 Feb 1971  S. Peck  AMNH 
PBI_OON 00000020  VENEZUELA  Aragua    17 km S Las Tejerias, 12 km N Tiara  1 Adult Male  Holotype  1300  10.09548; -67.17088  cloud forest, litter  08 Aug 1987  S., J. Peck  AMNH 
PBI_OON 00002539  VENEZUELA  Aragua    Tiara near Cerro Niguel  1 Adult Female    1400  10.13210; -67.15661  cloud forest, litter  27 Apr 1995  J. Lattke  CAS 
PBI_OON 00038042  VENEZUELA  Miranda    35 km N Altagracia, Parque Nacional Guatopo, Agua Blanca  1 Adult Male    400  10.19180; -66.49580  ravine litter  31 May 1987  S., J. Peck  AMNH 


 
 
 
 
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