List of Confirmed Invertebrates of Silver Falls State Park Mark Leppin, Updated October 11, 2010 Additions by Dorothy Brown-Kwaiser, September, 2011 (California Prionus, Pine Sawyer) Insects Beetles Springtails . Ground Beetle (Pterostichus sp) . Elongated Springtail (Tomocerus minor) . Ground Beetle (Scaphinotus sp) . Diurnal Firefly (Ellychnia sp) Earwigs . Red Net-winged Beetles (Dictyopterus . European Earwig (Forficula auricularia)- ID not hematus) positive . Golden Net-winged Beetle (D. aurora) . Long-horned Borer (Cerambycidae) Millipedes & Centipedes . Golden Buprestid (Buprestis aurulenta) . Soil Centipedes (Geophilomorpha) . Click Beetle (Elateridae) . Stone Centipedes (Lithobiomorpha sp) . Oregon Stag Beetle (Platycerus oregonensis) . Unknown Flat-backed Millipedes . Rugose Stag Beetle (Sinodendron rugosum) (Polydesmida) . California Prionus (Prionus california) . Pacific Forest/Yellow-Spotted Millipede . Pine Sawyer (Ergates spiculatus) (Harpaphe haydeniana) Termites Spiders, Scorpions, & Mites . Dampwood Termite (Zootermopsis sp) . Velvet Mite (Thrombidiidae) . Harvestmen/Daddy-Long-Legs (Opiliones) Ants, Wasps, Bees . Hacklemesh Weaver Spider (Collobius sp) . Thatching Ant (Formica sp) . Trapdoor Spider (Antrodiaetus sp) . Carpenter Ant (Camponotus sp) . Pseudoscorpion (Pseudoscorpiones) . Yellow-faced Bumble Bees (Bombus vosnesenskii) Terrestrial Crustaceans . Potato/Pill Bug (Armadillium vulgare) Stoneflies . Rockslaters (Ligidium sp) . Stonefly (Isoperlidae) Snails & Slugs Butterflies & Moths . Pacific Banana Slug (Ariolimax columbianus) . Margined White Butterfly (Pieris marginalis) . Scarlet-backed Taildropper Slug (Prophysaon . Swallowtail (Papilionidae) vanattae) . Woodland Skipper (Ochlodes sylvanoides) . Pacific Sideband Snail (Monadenia fidelis) . Ceanothus Silk Moth (Hyalophora euryalus) . Lancetooth Snail (Haplotrematidae) . Northwest Hesperian Snail (Vespericola Grasshoppers, Crickets, & Katydids columbianus) . Camel Cricket (Ceuthophilus sp) Worms Rock Crawlers . Earthworm (Lumbricus sp) . Rock Crawler (Grylloblatta sp) - Rare, especially at this elevation Flatworms . Freshwater Planarian (Tricladida) .