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Puget Sound Stream Benthos
Sampling Agency: City of Bellevue
Project: Macroinvertebrates
Date Released: 3/5/2012
Taxonomic Effort: Fine Resolution
Samples Taken: 3
Organisms Counted: 528+576+500 = 1604
Sampling Date: 8/8/2011
Site Code: LewisBelRM0.3
Location: 47.567000°, -122.093000°
Lewis Creek (Lake Sammamish) W Lake Sammamish Subbasin Sammamish River Basin WRIA 8 - Cedar-Sammamish
Score Type
Taxonomic Resolution
Taxa Attributes
Replicate Handling
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Sample 1 of 3

Sample Code: LewisRM0.3_2011R1
Sample ID: 6841
QC Replicate? No
Surface Area: 3.00 ft2
Composite? 3 Collections
Sub-sampling by Lab: 11/30
ClassificationTaxonQuantityQuantity SubsampledLife StageNon-BIBIFine Sediment Sensitivity IndexHilsenhoff Biotic Tolerance IndexMetals Tolerance Index
Order: HaplotaxidaNais96YesNoNoNoNoNoNoNo 5 
Order: HaplotaxidaTubificinae11YesNoNoNoNoNoNoNo 5 
Order: LumbriculidaLumbriculidae93YesYesNoNoNoNoNoNo 8 
Subclass: AcariAcari62YesNoNoNoNoNoNoNo   
Order: ColeopteraHeterlimnius10larvaIgnoredNoNoYesNoNoYesNo54 
Order: ColeopteraNarpus concolor31larvaYesNoNoYesNoNoYesNo541
Order: ColeopteraZaitzevia10adultIgnoredNoNoYesNoNoYesNo 4 
Order: DipteraClinocera11larvaYesNoYesNoNoNoYesNo 64
Order: DipteraCeratopogoninae95larvaYesNoYesNoNoNoNoNo 64
Order: DipteraPolypedilum3312larvaYesNoNoNoNoNoYesNo 64
Order: DipteraMicropsectra206larvaYesNoNoNoNoNoNoNo 71
Order: DipteraRheotanytarsus113larvaYesNoNoNoNoNoYesNo 61
Order: DipteraCorynoneura10larvaIgnoredNoNoNoNoNoNoNo 74
Order: DipteraEukiefferiella Claripennis Group53larvaYesNoNoNoNoNoNoNo 89
Order: DipteraParametriocnemus11larvaYesNoNoNoNoNoNoNo 54
Order: DipteraTvetenia Bavarica Group32larvaYesNoNoNoNoNoNoNo 54
Order: DipteraSimulium9339larvaYesNoNoNoYesNoYesNo 66
Order: DipteraSimulium20pupaNeverNoNoNoYesNoYesNo 66
Order: DipteraAntocha43larvaYesNoNoNoNoNoYesNo534
Order: DipteraDicranota21larvaYesNoYesNoNoNoNoNo 32
Order: PlecopteraNemouridae10larvaNeverYesNoNoNoNoNoNo 2 
Order: PlecopteraMalenka31larvaYesNoNoNoNoNoNoNo 21
Order: PlecopteraSweltsa20larvaIgnoredNoYesYesNoNoNoNo 12
Order: PlecopteraSkwala30larvaIgnoredNoYesNoNoNoYesNo 23
Order: TrichopteraGlossosomatidae11pupaYesNoNoNoNoNoYesNo 0 
Order: TrichopteraHydropsychidae1180larvaNeverNoNoNoNoNoYesNo 4 
Order: TrichopteraHydropsyche4617larvaYesNoNoNoNoNoYesNo 45
Order: TrichopteraRhyacophila narvae10larvaIgnoredNoYesNoNoNoYesNo 0 
Order: TrichopteraRhyacophila Betteni Group62larvaYesNoYesNoNoNoYesNo 0 
Order: TrichopteraRhyacophila Brunnea/Vemna Group22larvaIgnoredNoYesNoNoNoYesNo 0 
Order: EphemeropteraBaetis160larvaNeverYesNoNoNoNoYesNo 5 
Order: EphemeropteraBaetis tricaudatus11245larvaYesNoNoNoNoNoYesNo 55
Phylum: NemataNemata10IgnoredNoNoNoNoNoNoNo   
Order: TricladidaPolycelis coronata11YesNoNoNoNoNoNoNo 6 
 Total:528158 225%5%1%18%0%86%0%   

Sample 2 of 3

Sample Code: LewisRM0.3_2011R2
Sample ID: 6842
QC Replicate? No
Surface Area: 3.00 ft2
Composite? 3 Collections
Sub-sampling by Lab: 22/30
ClassificationTaxonQuantityQuantity SubsampledLife StageNon-BIBIFine Sediment Sensitivity IndexHilsenhoff Biotic Tolerance IndexMetals Tolerance Index
Order: HaplotaxidaEnchytraeus11YesNoNoNoNoNoNoNo 10 
Order: HaplotaxidaNais11YesNoNoNoNoNoNoNo 5 
Order: LumbriculidaLumbriculidae82YesYesNoNoNoNoNoNo 8 
Subclass: AcariAcari135YesNoNoNoNoNoNoNo   
Order: AmphipodaCrangonyx10IgnoredNoNoNoYesNoNoNo 4 
Order: ColeopteraHeterlimnius30larvaIgnoredNoNoYesNoNoYesNo54 
Order: ColeopteraNarpus concolor73larvaYesNoNoYesNoNoYesNo541
Order: DipteraEmpididae11pupaYesNoYesNoNoNoYesNo 6 
Order: DipteraCeratopogoninae30larvaIgnoredNoYesNoNoNoNoNo 64
Order: DipteraPolypedilum7533larvaYesNoNoNoNoNoYesNo 64
Order: DipteraPolypedilum20pupaNeverNoNoNoNoNoYesNo 64
Order: DipteraMicropsectra178larvaYesNoNoNoNoNoNoNo 71
Order: DipteraRheotanytarsus2715larvaYesNoNoNoNoNoYesNo 61
Order: DipteraRheotanytarsus20pupaNeverNoNoNoNoNoYesNo 61
Order: DipteraBrillia73larvaYesNoNoNoNoNoNoNo 54
Order: DipteraCorynoneura10larvaIgnoredNoNoNoNoNoNoNo 74
Order: DipteraEukiefferiella Claripennis Group41larvaYesNoNoNoNoNoNoNo 89
Order: DipteraParametriocnemus11larvaYesNoNoNoNoNoNoNo 54
Order: DipteraTvetenia Bavarica Group21larvaYesNoNoNoNoNoNoNo 54
Order: DipteraSimulium3612larvaYesNoNoNoYesNoYesNo 66
Order: DipteraSimulium20pupaNeverNoNoNoYesNoYesNo 66
Order: DipteraAntocha94larvaYesNoNoNoNoNoYesNo534
Order: DipteraDicranota20larvaIgnoredNoYesNoNoNoNoNo 32
Order: PlecopteraMalenka106larvaYesNoNoNoNoNoNoNo 21
Order: PlecopteraZapada cinctipes10larvaIgnoredNoNoNoNoNoNoNo 23
Order: PlecopteraSkwala10larvaIgnoredNoYesNoNoNoYesNo 23
Order: TrichopteraHydropsyche20677larvaYesNoNoNoNoNoYesNo 45
Order: TrichopteraRhyacophila Betteni Group52larvaYesNoYesNoNoNoYesNo 0 
Order: TrichopteraRhyacophila Brunnea/Vemna Group10larvaIgnoredNoYesNoNoNoYesNo 0 
Order: EphemeropteraBaetis tricaudatus12038larvaYesNoNoNoNoNoYesNo 55
Order: EphemeropteraDiphetor hageni53larvaYesNoNoNoNoNoYesNo 51
Phylum: NemataNemata10IgnoredNoNoNoNoNoNoNo   
Order: TricladidaPolycelis coronata10IgnoredNoNoNoNoNoNoNo 6 
 Total:576217 201%2%2%7%0%87%0%   

Sample 3 of 3

Sample Code: LewisRM0.3_2011R3
Sample ID: 6843
QC Replicate? No
Surface Area: 3.00 ft2
Composite? 3 Collections
Sub-sampling by Lab: 11/30
ClassificationTaxonQuantityQuantity SubsampledLife StageNon-BIBIFine Sediment Sensitivity IndexHilsenhoff Biotic Tolerance IndexMetals Tolerance Index
Order: HaplotaxidaNais3314YesNoNoNoNoNoNoNo 5 
Order: HaplotaxidaOphidonais serpentina21YesNoNoNoNoNoNoNo 5 
Order: HaplotaxidaPristina31YesNoNoNoNoNoNoNo 5 
Order: LumbriculidaLumbriculidae112YesYesNoNoNoNoNoNo 8 
Subclass: AcariAcari2614YesNoNoNoNoNoNoNo   
Order: AmphipodaCrangonyx21YesNoNoNoYesNoNoNo 4 
Order: ColeopteraNarpus concolor32larvaYesNoNoYesNoNoYesNo541
Order: ColeopteraZaitzevia11larvaYesNoNoYesNoNoYesNo 4 
Order: ColeopteraPsephenidae10larvaIgnoredNoNoNoNoNoNoNo 4 
Order: DipteraEmpididae10larvaIgnoredNoYesNoNoNoYesNo 6 
Order: DipteraEmpididae10pupaNeverNoYesNoNoNoYesNo 6 
Order: DipteraPolypedilum5318larvaYesNoNoNoNoNoYesNo 64
Order: DipteraMicropsectra5121larvaYesNoNoNoNoNoNoNo 71
Order: DipteraRheotanytarsus134larvaYesNoNoNoNoNoYesNo 61
Order: DipteraRheotanytarsus30pupaNeverNoNoNoNoNoYesNo 61
Order: DipteraOrthocladiinae10larvaIgnoredNoNoNoNoNoNoNo 5 
Order: DipteraBrillia21larvaYesNoNoNoNoNoNoNo 54
Order: DipteraCorynoneura21larvaYesNoNoNoNoNoNoNo 74
Order: DipteraCorynoneura20pupaNeverNoNoNoNoNoNoNo 74
Order: DipteraEukiefferiella10pupaNeverNoNoNoNoNoNoNo 89
Order: DipteraEukiefferiella Claripennis Group21larvaYesNoNoNoNoNoNoNo 89
Order: DipteraParametriocnemus20larvaIgnoredNoNoNoNoNoNoNo 54
Order: DipteraRheocricotopus10larvaIgnoredNoNoNoNoNoNoNo 65
Order: DipteraTvetenia Bavarica Group21larvaYesNoNoNoNoNoNoNo 54
Order: DipteraDixa30larvaIgnoredNoNoNoNoNoNoNo 1 
Order: DipteraSimulium85larvaYesNoNoNoYesNoYesNo 66
Order: DipteraAntocha11larvaYesNoNoNoNoNoYesNo534
Order: PlecopteraMalenka30larvaIgnoredNoNoNoNoNoNoNo 21
Order: PlecopteraZapada cinctipes42larvaYesNoNoNoNoNoNoNo 23
Order: PlecopteraSweltsa10larvaIgnoredNoYesYesNoNoNoNo 12
Order: PlecopteraSkwala10larvaIgnoredNoYesNoNoNoYesNo 23
Order: TrichopteraGlossosoma21larvaYesNoNoNoNoNoYesNo1002
Order: TrichopteraHydropsychidae1560larvaNeverNoNoNoNoNoYesNo 4 
Order: TrichopteraHydropsyche4218larvaYesNoNoNoNoNoYesNo 45
Order: TrichopteraLepidostoma21larvaYesNoNoNoNoNoNoNo 11
Order: TrichopteraRhyacophila Betteni Group31larvaYesNoYesNoNoNoYesNo 0 
Order: EphemeropteraBaetis210larvaNeverNoNoNoNoNoYesNo 5 
Order: EphemeropteraBaetis tricaudatus3313larvaYesNoNoNoNoNoYesNo 55
Order: EphemeropteraDiphetor hageni10larvaIgnoredNoNoNoNoNoYesNo 51
 Total:500125 232%1%1.00%2%0%69%0%