PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

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Caddisfly (Hydropsyche occidentalis) Toxicity Studies - Toxicology studies from the primary scientific literature on aquatic organisms

Sorted by Chemical, Effect, Measurement and Endpoint.
Note: Only partial study information is reported on these pages. Full study information can be found at the U.S. EPA AQUIRE web site.
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Common Name
Scientific Name		 Effect Measurement Life Stage Study Time Toxicity Endpoint Toxic Dose Conc Units Conc Type Chem Desc Exper. Type Acute Tox Rating Outlier Year Journal
MeanMinMax

Methoxychlor       Show Methoxychlor studies for all species

Caddisfly
Hydropsyche occidentalis
 Population Abundance LARVAE NR d NR 300.0 - - ug/L A EC, AI, METHOXYCHLOR Lotic      1989 Environ.Pollut. 60(3):209-222

 
Sodium fluoride       Show Sodium fluoride studies for all species

Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 144 h EC50 21,400 16,900 27,100 ug/L T NR Static      1992 Arch.Environ.Contam.Toxicol. 22:107-113
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 72 h EC50 53,500 41,200 69,600 ug/L T NR Static      1992 Arch.Environ.Contam.Toxicol. 22:107-113
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 96 h EC50 34,700 25,500 47,200 ug/L T NR Static      1992 Arch.Environ.Contam.Toxicol. 22:107-113
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 120 h EC50 27,000 21,600 32,800 ug/L T NR Static      1992 Arch.Environ.Contam.Toxicol. 22:107-113
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 48 h LC50 102,000 70,000 148,900 ug/L T NR Static  Not Acutely Toxic    1992 Arch.Environ.Contam.Toxicol. 22:107-113

 
Sodium nitrate       Show Sodium nitrate studies for all species

Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 72 h LC50 183,500 131,600 254,400 ug/L T NR Static  Not Acutely Toxic    1992 Chemosphere 24(1):23-28
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile EARLY INSTAR LARVAE 72 h LC50 148,500 110,700 199,300 ug/L T NR Static  Not Acutely Toxic    1992 Chemosphere 24(1):23-28
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 120 h LC50 77,200 60,900 97,400 ug/L T NR Static  Slightly Toxic    1992 Chemosphere 24(1):23-28
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile LAST INSTAR LARVAE 96 h LC50 109,000 81,200 146,400 ug/L T NR Static  Not Acutely Toxic    1992 Chemosphere 24(1):23-28
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile EARLY INSTAR LARVAE 96 h LC50 97,300 74,600 127,000 ug/L T NR Static  Slightly Toxic    1992 Chemosphere 24(1):23-28
Caddisfly
Hydropsyche occidentalis
 Intoxication Immobile EARLY INSTAR LARVAE 120 h LC50 65,500 49,300 87,000 ug/L T NR Static  Slightly Toxic    1992 Chemosphere 24(1):23-28
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Citation: Kegley, S.E., Hill, B.R., Orme S., Choi A.H., PAN Pesticide Database, Pesticide Action Network, North America (San Francisco, CA, 2010), http:www.pesticideinfo.org.
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