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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Costarina meridina       Get publication



            Male (PBI_OON 93). Total length 1.90. CEPHALOTHORAX: Carapace orange-brown, without any pattern, ovoid 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 slightly sclerotized triangular projections, posterolateral surface without spikes, surface of elevated portion of pars cephalica strongly reticulate, sides granulate, thorax without depressions, fovea absent, posterior portion with U-shaped smooth area, without radiating rows of pits; lateral margin straight, rebordered, without 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 absent; setae present, light, needle-like. Chilum undivided, small, triangular, fused to clypeus, seam present. 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 smooth, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture everywhere but front, 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, 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, without posterior hump, with three transverse ridges, longitudinal ridges very weak; 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 with swelling; promargin with one tooth, retromargin without teeth; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, densest medially; paturon inner margin with pairs of enlarged 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, anterior portion set at sharp angle to flat posterior portion; with 6 or more setae on anterior margin, subdistal portion with unmodified setae. Endites distally excavated, posteromedian part unmodified, same as sternum in sclerotization, ventral process produced ventrally, heavily sclerotized distally, dorsal process strongly arched. 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 not 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, long, semicircular, covering nearly full length of abdominal length, fused to epigastric scutum, anterior margin unmodified, with short posteriorly directed lateral apodemes. Spinneret scutum absent. Dorsum setae present, light, needle-like. Epigastric area setae uniform, light, needle-like. Postepigastric area setae present, light, needle-like. 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 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 p0-0-2; tibiae: I, II v4-4-1p; metatarsi: I v2-2-1p; II v3-0-2. 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 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, distal prong greatly elongated, with translucent flange at about two-thirds its length, proximal prong distally arched; 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, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb yellow, 1 to 1.5 times as long as cymbium, stout, elongated.
Costarina meridina, male embolus, prolateral view (image by LE, specimen ID: ---00093)

Costameridmsembp00093LE.tif

Costarina meridina, male embolus, retrolateral view (image by LE, specimen ID: ---00093)

Costameridmsembr00093LE.tif

Costarina meridina, male embolus, ventral view (image by LE, specimen ID: ---00093)

Costameridmsembv00093LE.tif

Costarina meridina, male palp, prolateral view (image by LE, specimen ID: ---00093)

Costameridmppalp00093LE.tif

Costarina meridina, male palp, retrolateral view (image by LE, specimen ID: ---00093)

Costameridmppalr00093LE.tif

Costarina meridina, male palp, ventral view (image by LE, specimen ID: ---00093)

Costameridmppalv00093LE.tif


            Female (PBI_OON 93). Total length 2.20. As in male except as noted. CEPHALOTHORAX: Carapace smooth area very small. Chilum small, triangular, fused to clypeus, seam present. Sternum with three transverse ridges, longitudinal ridges very weak. Labium anterior portion set at sharp angle to flat posterior portion. Endites distally not excavated, anteromedian tip unmodified. Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Dorsal scutum covering more than 3/4 of abdomen, more than 1/2 to most of abdomen width. Epigastric scutum without lateral joints. Postepigastric scutum almost semicircular, covering about 3/4 of abdominal length, not fused to epigastric scutum. Spinneret scutum present, incomplete ring. 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 v3-0-2. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Shape: genital atrium short, wide, including transverse sclerotization.
Costarina meridina, female sternum, ventral view (image by LE, specimen ID: ---51229)

Costameridfpstev51229LE.tif

Costarina meridina, female abdomen, ventral view (image by LE, specimen ID: ---51229)

Costameridfpabdv51229LE.tif

Costarina meridina, female abdomen, lateral view (image by LE, specimen ID: ---51229)

Costameridfpabdl51229LE.tif

Costarina meridina, female internal female genitalia, ventral view (image by LE, specimen ID: ---51229)

Costameridfpifgv51229LE.tif

Costarina meridina, female internal female genitalia, dorsal view (image by LE, specimen ID: ---51229)

Costameridfpifgd51229LE.tif

 

DISTRIBUTION

COSTA RICA
Costarina meridina 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 Costarina meridina, 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 00029347  COSTA RICA  Cartago    Finca Kircua, Ochomogo  1 Adult Male    1750  9.90806; -83.93556    14 Feb 2008  W. Porras  INBIO 
PBI_OON 00029347  COSTA RICA  Cartago    Finca Kircua, Ochomogo  1 Adult Female    1750  9.90806; -83.93556    14 Feb 2008  W. Porras  INBIO 
PBI_OON 00029819  COSTA RICA  Cartago    Finca Kircua, Ochomogo  2 Adult Female    1688  9.90806; -83.93556  forest, humus  05 Sept 2007  C. Viquez, W. Porras  INBIO 
PBI_OON 00051232  COSTA RICA  Heredia    Cariari, Rio Virilla  1 Adult Male    952  9.96617; -84.15330  humus  22 Jun 2010  C. Viquez, M. Solis  INBIO 
PBI_OON 00037024  COSTA RICA  San Jose    San Antonio de Escazu  1 Adult Female    1350  9.89972; -84.04580  humus  01 Dec 1981  unknown  MCZ 
PBI_OON 00051229  COSTA RICA  San Jose    Rio Torres  3 Adult Female    1551  9.94165; -83.98218  humus  17 Jun 2010  M. Solis, B. Hernandez  INBIO 
PBI_OON 00049963  COSTA RICA  San Jose    Puente Mulas, Rio Virilla  5 Adult Female    866  9.97275; -84.18372  humus  23 Jun 2010  C. Viquez, M. Solis  INBIO 
PBI_OON 00037020  COSTA RICA  San Jose    San Ramon de Tres Rios  1 Adult Female    1400  9.93943; -84.00996  humus  01 Mar 1990  W. Eberhard  MCZ 
PBI_OON 00051228  COSTA RICA  San Jose    San Ramon, Rio Maria Aguilar  1 Adult Female    1424  9.93475; -83.98827  humus  30 Sept 2010  B. Hernandez, M. Moraga  INBIO 
PBI_OON 00051231  COSTA RICA  San Jose    Rio Maria Aguilar, San Jose  1 Adult Female      9.91768; -84.03885  humus  21 Jun 2010  C. Viquez, B. Hernandez  INBIO 
PBI_OON 00000093  COSTA RICA  San Jose    San Jose  5 Adult Female      9.93330; -84.08330  humus    E. Schmidt  AMNH 
PBI_OON 00051227  COSTA RICA  San Jose    San Jose  1 Adult Male  Holotype    9.93330; -84.08330  humus    E. Schmidt  AMNH 
PBI_OON 00051230  COSTA RICA  San Jose    Parque Zoologico Simon Bolivar, Rio Torres  1 Adult Male    1169  9.93955; -84.07257  humus  18 Jun 2010  M. Solis, B. Hernandez  INBIO 
PBI_OON 00051233  COSTA RICA  San Jose    Rio Tiribi  1 Adult Female    1200  9.90738; -84.03128  humus  17 Jun 2010  M. Solis, B. Hernandez  INBIO 
PBI_OON 00000093  COSTA RICA  San Jose    San Jose  6 Adult Male      9.93330; -84.08330  humus    E. Schmidt  AMNH 
PBI_OON 00029803  COSTA RICA  San Jose    Cerro Escazu  1 Adult Male    1900  9.86862; -84.15822  humus  01 Oct 1996  C. Flores  INBIO 
PBI_OON 00038059  COSTA RICA  San Jose    San jose  1 Adult Male  Paratype    9.93330; -84.08330  humus    E. Schmidt  AMNH 
PBI_OON 00051229  COSTA RICA  San Jose    Rio Torres  2 Adult Male    1551  9.94165; -83.98218  humus  17 Jun 2010  M. Solis, B. Hernandez  INBIO 
PBI_OON 00051233  COSTA RICA  San Jose    Rio Tiribi  2 Adult Male    1200  9.90738; -84.03128  humus  17 Jun 2010  M. Solis, B. Hernandez  INBIO 


 
 
 
 
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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