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TABLE 11-35 • <br />Number and Relative Abundance (by Order) of 8enthic Animals <br />Caught With a Dip Net in Lower Dry Creek (Site D-3, Riffle), November 1974 <br />Order Crowth Relative <br /> <br />Family/Taxon 1 <br />Stage 2 <br />No. <br />Abundance (~) <br />Oligochaeta: Plesipo ra (Worms) 1 0.5 <br />Tubificidae/Unidentified genus3 A 1 <br />Hirudi nea (Leeches) 1 0.5 <br />Gastropods (Snails) 15 6.5 <br />Physidae3/Phyla sp. A 15 <br />Art~phipoda (Scuds) 11 4,7 <br />Gammari dae/Cammarus lacustris 11 <br />Ep heme roptera (Mayflies) 6 2.6 <br />E'~aetidae/Baetis sp. N 4 <br />Leptophlebidae/Pa raleptophlebia sp.3 N 2 <br />Oclonata: Zygoptera (Damsel flies) 1 0.5 <br />(.oenagrioni dae/Unidentified genus N 1 • <br />Plecoptera (Stoneflies) ~ 2 1.0 <br />Plemouri dae/Cap nia sp.3 N 2 <br />Tri choptera (C addi sflies) 156 68.4 <br />liydropsychida a/Hydropsyche sp. L 126 <br />I.i mnephilidae/Hesperophylax sp. L 5 <br />liyd roptilidae/Agraylea sp.3 L 25 <br />Coleopte ra (Beetles) ~ 13 5.7 <br />I.lmidae/Optiose rvus sp.3 L 1 <br />Unidentified genus A 11 <br />Dytisci da a/Agabus sp. A 1 <br />Dipte ra (True flies) 22 9.6 <br />Tipuli da a/Tipula sp. L 2 <br />Eriocera near spinosa L 2 <br />Tabani da a/Chry sops sp. L 2 <br />Str atiomyidae/Eup arypus sp.3 L 1 <br />Chironomidae/Unidentified spp. L 6 <br />Simulidae/Unidentified sp. L B • <br />3 <br />Empididae/Hemerodromia rogatoris <br />L 1 <br />