Welcome Locality Data Entry        | Links | About Oonopidae | Outreach | Sign In 
Home | Project Description | Investigators | Species Pages |
Home >> Species Pages >>
OONOPIDAE SPECIES DESCRIPTION
(1) List all species     
OR       (2) Search by: Select the genus
Select the species
(Female redundant descriptions removed)
Varioonops montesta       Get publication



            Male (PBI_OON_0031072). Total length 1.75. CEPHALOTHORAX: Carapace dark red-brown, without any pattern, broadly oval 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 granulate, sides granulate, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin undulate, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae needle-like, present, scattered; non-marginal pars thoracica setae needle-like; marginal setae needle-like. Clypeus margin strongly rebordered, curved downwards in front view, vertical 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, all subequal, ALE oval, PME squared, PLE oval; posterior eye row recurved from above, straight from front; ALE separated by their radius to diameter, ALE-PLE separated by less than ALE radius, PME touching throughout most of their length, PLE-PME separated by PME radius to PME diameter. Sternum longer than wide, orange-brown, uniform, not fused to carapace, median concavity absent, with radial furrows between coxae I-II, II-III, III-IV, furrow smooth, radial furrow opposite coxae III absent, without pits, microsculpture medially and in furrows, sickle-shaped structures absent, anterior margin unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump, sternum surface evenly granulated, lateral margin grooves not examined; setae sparse, needle-like, evenly scattered, originating from surface, without hair tufts. Mouthparts: Chelicerae, endites and labium orange-brown. Chelicerae slightly divergent, 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 pairs of enlarged setae, distal region abruptly narrowed, posterior surface unmodified, inner margin unmodified, laminate groove absent. Labium rectangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 3-5 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, same as sternum in sclerotization, endites posteromedian with broad triangular projection. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions purple-brown mottled, cardiac mark pale, posteriorly with two posteriad pale lines. Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, 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 weakly sclerotized, orange-brown, without color pattern, covering more than 3/4 of abdomen, more than 1/2 to most of abdomen width, not fused to epigastric scutum, middle surface finely reticulate, sides finely reticulate, anterior half without projecting denticles. Epigastric scutum weakly sclerotized, surrounding pedicel, not protruding, small lateral sclerites absent, anterodorsal margin straight (in frontal view). Postepigastric scutum weakly sclerotized, pale orange, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, without posteriorly directed lateral apodemes, postepigastric scutum posterior margin straight. Spinneret scutum present, incomplete ring, divided into two plates. 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. Interscutal membrane with setae. Colulus present, plate with two setae. Spinnerets: ALS: no SEM; PMS: no SEM; PLS: no SEM. LEGS: orange-brown, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I near as long as 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, tibiae emeritís glands not examined. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-1-1; tibiae: I, II v4-2-1p; metatarsi: I, II p1-0-0; v2-2-2. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria not examined. Tarsal organ not examined. GENITALIA: Epigastric region with sperm pore small, oval, situated at level of anterior spiracles, unmodified; 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, tube-shaped, elongated, curved ventroprolaterad, retrolaterally with longitudinal keel and furrow, tip with simple oval opening and distally elongated, subrectangular plateelongated, subrectangular plate; 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, narrow 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, cymbial cone basally broad, distally narrow, tube-shaped, protruding, tarsal organ tarsal organ not examined; bulb pale orange, 1 to 1.5 times as long as cymbium, stout, tapering apically, distal part conductor proximally broad, lamelliform, long, triangular, distally pointed with distally originating, long, backwards-directed, grooved, pointed spur, spur as long as lamelliform part of conductor.
Varioonops montesta, male abdomen, anterior view (image by AO, specimen ID: ---31072)

variomontempabda31072AO.tif

Varioonops montesta, male abdomen, dorsal view (image by AO, specimen ID: ---31072)

variomontempabdd31072AO.tif

Varioonops montesta, male abdomen, lateral view (image by AO, specimen ID: ---31072)

variomontempabdl31072AO.tif

Varioonops montesta, male abdomen, ventral view (image by AO, specimen ID: ---31072)

variomontempabdv31072AO.tif

Varioonops montesta, male carapace, anterior view (image by AO, specimen ID: ---31072)

variomontempcara31072AO.tif

Varioonops montesta, male carapace, dorsal view (image by AO, specimen ID: ---31072)

variomontempcard31072AO.tif

Varioonops montesta, male carapace, lateral view (image by AO, specimen ID: ---31072)

variomontempcarl31072AO.tif

Varioonops montesta, male habitus, dorsal view (image by AO, specimen ID: ---31072)

variomontemphabd31072AO.tif

Varioonops montesta, male palp, dorsal view (image by AO, specimen ID: ---31072)

variomontemppald31072AO.tif

Varioonops montesta, male palp, prolateral view (image by AO, specimen ID: ---31072)

variomontemppalp31072AO.tif

Varioonops montesta, male palp, retrolateral view (image by AO, specimen ID: ---31072)

variomontemppalr31072AO.tif

Varioonops montesta, male sternum, ventral view (image by AO, specimen ID: ---31072)

variomontempstev31072AO.tif

Varioonops montesta, male embolus, dorsal view (image by AO, specimen ID: ---31072)

variomontemsembd31072AO.tif

Varioonops montesta, male embolus opening, dorsal view (image by AO, specimen ID: ---31072)

variomontemsemod31072AO.tif

Varioonops montesta, male palp, dorsal view (image by AO, specimen ID: ---31072)

variomontemspald31072AO.tif

Varioonops montesta, male embolus, prolateral view (image by AO, specimen ID: ---31072)

variomontemsembp31072AO.tif

Varioonops montesta, male embolus, retrolateral view (image by AO, specimen ID: ---31072)

variomontemsembr31072AO.tif

Varioonops montesta, male embolus opening, prolateral view (image by AO, specimen ID: ---31072)

variomontemsemop31072AO.tif

Varioonops montesta, male embolus opening, retrolateral view (image by AO, specimen ID: ---31072)

variomontemsemor31072AO.tif

Varioonops montesta, male palp, prolateral view (image by AO, specimen ID: ---31072)

variomontemspalp31072AO.tif

Varioonops montesta, male palp, retrolateral view (image by AO, specimen ID: ---31072)

variomontemspalr31072AO.tif

Varioonops montesta, male bulb, prolateral view (image by AO, specimen ID: ---31072)

variomontemsbulp31072AO.tif


            Female (PBI_OON_0031078). Total length 1.94. As in male except as noted. CEPHALOTHORAX: Carapace red-brown, indistinct darkened radial stripes present. Sternum sternum surface evenly granulated, lateral margin grooves not examined. Endites anteromedian tip unmodified, posteromedian part unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: dorsum soft portions red-brown ground color with wide dark purple net-like pattern, cardiac mark pale, posteriorly with two indistinct posteriad pale lines. Book lung covers posterior spiracles connected by posterior rim of postepigastric scutum. Pedicel scutum not extending far dorsal of pedicel. Dorsal scutum absent. Epigastric scutum strongly sclerotized, without lateral joints. Postepigastric scutum strongly sclerotized, short, almost rectangular, not fused to epigastric scutum, postepigastric scutum very short. Spinneret scutum divided into two plates. Colulus plate with 2 setae. LEGS: pale orange. Leg spination (only surfaces bearing spines listed, all spines longer than segment width): femora: I p0-1-1; II p0-0-1; tibiae: I p1-1-0; v4-2-2; II p0-1-0; v4-2-1p; metatarsi: I, II p1-0-0; v2-2-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Ventral view: epigastric region inconspicuous, anterior genitalic process moderately visible through the epigastric scutum, posterior genitalic process moderately visible through the postepigastric plate. Dorsal view: large plate with lateral extensions, median protruding and covering anterior genitalic process, protruding part longer than wide, relatively narrow, anterior genitalic process club-shaped, much shorter than posterior genitalic process (receptaculum), originating from a small plate, posterior genitalic process long, moderately convoluted duct with subspherical enlarged distal end.
Varioonops montesta, female abdomen, anterior view (image by AO, specimen ID: ---31078)

variomontefpabda31078AO.tif

Varioonops montesta, female abdomen, dorsal view (image by AO, specimen ID: ---31078)

variomontefpabdd31078AO.tif

Varioonops montesta, female abdomen, lateral view (image by AO, specimen ID: ---31078)

variomontefpabdl31078AO.tif

Varioonops montesta, female abdomen, ventral view (image by AO, specimen ID: ---31078)

variomontefpabdv31078AO.tif

Varioonops montesta, female carapace, anterior view (image by AO, specimen ID: ---31078)

variomontefpcara31078AO.tif

Varioonops montesta, female carapace, dorsal view (image by AO, specimen ID: ---31078)

variomontefpcard31078AO.tif

Varioonops montesta, female epigastric sclerite, dorsal view (image by AO, specimen ID: ---31078)

variomontefpegsd31078AO.tif

Varioonops montesta, female internal female genitalia, dorsal view (image by AO, specimen ID: ---31078)

variomontefpifgd31078AO.tif

Varioonops montesta, female habitus, dorsal view (image by AO, specimen ID: ---31078)

variomontefphabd31078AO.tif

Varioonops montesta, female sternum, ventral view (image by AO, specimen ID: ---31078)

variomontefpstev31078AO.tif

Varioonops montesta, female abdomen, dorsal view (image by AO, specimen ID: ---31111)

variomontefpabdd31111AO.tif

Varioonops montesta, female abdomen, ventral view (image by AO, specimen ID: ---31111)

variomontefpabdv31111AO.tif

Varioonops montesta, female epigastric sclerite, ventral view (image by AO, specimen ID: ---31111)

variomontefpegsv31111AO.tif

Varioonops montesta, female sternum, ventral view (image by AO, specimen ID: ---31111)

variomontefpstev31111AO.tif

Varioonops montesta, female carapace, dorsal view (image by AO, specimen ID: ---31111)

variomontefpcard31111AO.tif

 

DISTRIBUTION

COSTA RICA
Varioonops montesta 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 Varioonops montesta, 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 00031111  COSTA RICA  Heredia    9 km NE Vara Blanca  1 Adult Female    1550  10.23333; -84.10000    11 Apr 2005  ALAS (Arthropods of La Selva Project)  INBIO 
PBI_OON 00031096  COSTA RICA  Heredia    9 km NE Vara Blanca  1 Adult Male    1550  10.23333; -84.10000    06 Mar 2005  ALAS (Arthropods of La Selva Project)  INBIO 
PBI_OON 00031072  COSTA RICA  Puntarenas    Monteverde, Estacion Biologica  2 Adult Male  Holotype  1750  10.31472; -84.79694  cloud forest, litter  15 Jun 2001  R. Anderson  AMNH 
PBI_OON 00003612  COSTA RICA  Puntarenas    Monteverde, Res. Bosque Nuboso  1 Adult Male    1700  10.31056; -84.82028  cloud forest  01 Apr 1983  D. Ubick  CAS 
PBI_OON 00031078  COSTA RICA  Puntarenas    Monteverde, Estacion Biologica  1 Adult Female  Paratype  1750  10.31472; -84.79694  cloud forest, litter  15 Jun 2001  R. Anderson  AMNH 
PBI_OON 00003612  COSTA RICA  Puntarenas    Monteverde, Res. Bosque Nuboso  1 Juvenile sex unknown    1700  10.31056; -84.82028  cloud forest  01 Apr 1983  D. Ubick  CAS 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
The California Academy of Sciences, San Francisco   The University of California, Berkeley
The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
©Copyright 2006-2022. All Rights Reserved.
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.
If the format of any material on the website interferes with your ability to access that material, please contact us at [email protected]