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Laurel Ramseyer
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Spider Traps Made Of Corrugated Plastic Perform Poorly In Wet Weather
Shortly after the New Year, I deployed another set of spider traps in the woods near my house in Seattle, Washington (USA). I had a number of questions I hoped these traps would answer about the introduced crab spider  Ozyptila praticola  (Thomisidae), incl...
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7-Jan-2018 Spanaway, Washington
Site location map. Click to enlarge. Blue pins: Ozyptila praticola confirmed via adult specimen. Red pins: No O. praticola adults or ? praticola juveniles found. One of the benefits of tapping fallen conifer cones is that they usually aren't too wet to samp...
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7-Dec-2017 Mowich Road, Washington
Site location map. Click to enlarge Rod Crawford and I had originally planned to sample east of Wilkeson along South Prairie Creek in Pierce County. But en route on the highway, something we ran over got stuck in the undercarriage and was dragging. Luckily,...
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Catching Ozyptila praticola In Non-lethal Cardboard Traps
3" x 3" flute B corrugated cardboard stack spider trap in Mahonia sp. Early in 2017 I decided to augment my cone-tapping efforts by deploying pitfall* traps. In theory, doing so should have made my search for the introduced European crab spider Ozyptila pra...
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14-Dec-2017 Hunts Point & Bellevue, Washington
Site location map. Blue: O. praticola confirmed via adult specimen. Yellow: Juvenile O . ? praticola found. Red: No O. praticola adults or ? praticola juveniles found. With a few hours free on this, the final day in an extended dry spell, I decided to cross...
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12-Dec-2017 West Seattle, Washington
I tapped cones dropped by both pines The fallen cone microhabitat An appointment today in Seattle's industrial district put me so close to West Seattle that I couldn't resist buzzing over there to take a sample. Driving south on 35th Ave., I very quickly sp...
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11-Dec-2017 Kent Redux & Covington, Washington
Site location map. Click to enlarge. Last week, when I  found  all those juvenile Ozyptila praticola (Thomisidae) in fallen pine cones in Kent, I knew that I should continue the search for a mature specimen by sifting the pine needle litter near the cones. ...
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4-Dec-2017 Kent, Washington
Site location map. Click to enlarge. Spider collectors in Europe report that male and female Ozyptila praticola (Thomisidae) can be found there every month of the year. It wouldn't surprise me if that were true here in Washington state was well, since I've ...
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1-Dec-2017 Mill Creek, Washington
Mill Creek collection site. Click to enlarge. Almost two years ago, in February, 2016, I tapped cones dropped by an eastern white pine ( Pinus strobus ) tree growing in the parking lot of an office park in Mill Creek (Snohomish County). Among the spiders I ...
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25-Nov-2017 Seattle, Washington
Site location map. Click to enlarge. Seattle has about 150 public shoreline access points, called " shoreline street ends ", where public roads end at a body of water ( map ). During a visit to one such street-end mini park in the Laurelhurst neighborhood t...
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