Album of Pluvius Field Trip

Selected photos by Rod Crawford and Laurel Ramseyer from our 26 September 2025 spider collecting trip (with Kathy Whaley) to Pluvius and vicinity, Pacific County, Washington. Pluvius was once a town but now is only a (very appropriate) name. Adjacent is Pluvius Hill (occupied by working forest) and a long stretch of the Willapa Hills Trail, a rail trail passing through varied habitats where we found splendid sylvan solitude and a fine array of spiders, 44 species in all. See first image below for the trail and our collecting sites.
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spider collecting sites 2022 aerial photo, Pluvius, Pacific County, Washington vine maple fall color, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Aerial view, red dots where we collected      (Pacific County, 2022) Vine maple already showing fall color                  © Rod Crawford
Willapa Hills Trail west of Pluvius, Pacific County, Washington Rod Cfawford and Kathy Whaley, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Here we go down the trail!      © Laurel Ramseyer Rod gets ready while Kathy already sweeping grass         © Laurel Ramseyer
bigleaf maple trees, Willapa Hills Trail west of Pluvius, Pacific County, Washington leaf litter in sifter, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Bigleaf maple trees dropped plenty of litter  © Rod Crawford Maple litter in the sifter                    © Rod Crawford
Oregon oxalis, Oxalis oregana, Willapa Hills Trail west of Pluvius, Pacific County, Washington trail section lined with maple, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Oregon Oxalis in understory            © Laurel Ramseyer We made our headquarters on maple-lined trail segment           © Rod Crawford
Manroot vine Marah oregana, Willapa Hills Trail west of Pluvius, Pacific County, Washington Laurel Ramseyer seeking moss to sift, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Manroot vines                 © Laurel Ramseyer Laurel goes seeking moss to sift                     © Rod Crawford
teneral female spider Spirembolus mundus, Willapa Hills Trail west of Pluvius, Pacific County, Washington male spider Spirembolus mundus, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Teneral female Spirembolus mundus         © Rod Crawford Male Spirembolus mundus                    © Rod Crawford
female spider Dirksia cinctipes from ferns, Willapa Hills Trail west of Pluvius, Pacific County, Washington row of sword ferns along Willapa Hills Trail west of Pluvius, Pacific County, Washington
Nice Dirksia cinctipes beaten from ferns   © Rod Crawford Orderly row of ferns ready for beating                    © Rod Crawford
female spider Coreogronal monoceros, Willapa Hills Trail west of Pluvius, Pacific County, Washington logging road that crosses Willapa Hills Trail west of Pluvius, Pacific County, Washington
Coreorgonal monoceros dominated the ferns     © Laurel Ramseyer Logging road crosses the rail trail                    © Rod Crawford
larva of Pyrrharctia isabella crossing Willapa Hills Trail west of Pluvius, Pacific County, Washington tussock moth larva, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Pyrrharctia isabella larva crosses trail     © Laurel Ramseyer Tussock moth larva                  © Laurel Ramseyer
trailside grass, Willapa Hills Trail west of Pluvius, Pacific County, Washington trailside grass, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Sweepable grass…           © Rod Crawford …alongside the trail               © Rod Crawford
Araneus diadematus female in web, Willapa Hills Trail west of Pluvius, Pacific County, Washington sweepable grass, Willapa Hills Trail west of Pluvius, Pacific County, Washington
Araneus diadematus was abundant    © Rod Crawford Still more sweepable grass                   © Rod Crawford
female spider Ero canionis, Willapa Hills Trail west of Pluvius, Pacific County, Washington crab spider Ozyptila pacifica, Pluvius Hill, Pacific County, Washington
Ero canionis pirate spider          © Rod Crawford Female Ozyptila pacifica                    © Laurel Ramseyer
Theridion californicum from upper road, Willapa Hills Trail west of Pluvius, Pacific County, Washington along logging road above Willapa Hills Trail west of Pluvius, Pacific County, Washington
Juvenile Theridion californicum        © Rod Crawford Laurel reached this upper road above the trail            © Laurel Ramseyer
western hemlock foliage, Willapa Hills Trail west of Pluvius, Pacific County, Washington Rod Crawford seeking conifers to beat along Pluvius Hill road, Pacific County, Washington
Western hemlock foliage              © Rod Crawford Rod seeking more conifers to beat on Pluvius Hill            © Laurel Ramseyer
Douglas-fir foliage by DNR road on Pluvius Hill, Pacific County, Washington Kathy Whaley sorting beat sample, DNR road on Pluvius Hill, Pacific County, Washington
Douglas-fir foliage on Pluvius Hill              © Rod Crawford Kathy sorting a conifer beat sample by the roadside          © Laurel Ramseyer
Mount Rainier from I-5 in south Pierce County, Washington male spider Linyphantes eureka from conifers on Pluvius Hill, Pacific County, Washington
Mt. Rainier looking particularly dry    © Laurel Ramseyer Male Linyphantes eureka beaten from conifers                © Rod Crawford

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This page last updated 4 October, 2025