PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Imidacloprid on All Taxa Groups

Use(s): Insecticide    Chem Class: Neonicotinoid    U.S. EPA PC Code:129059, 129099    CAS Number: 105827-78-9, 138261-41-3
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 22 of 22
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Common Name Scientific Name Avg Species LC50 (ug/L) LC50 Std Dev Number of Studies Avg Species Rating Outlier Result for Organism Group?

Amphibians

Bog frog Rana limnocharis 149,500 57,509 4 Not Acutely Toxic  
Black spotted frog Rana nigromaculata 198,250 51,339 4 Not Acutely Toxic  

 
Annelida

Tubificid worm Tubifex tubifex 320.0 - 1 Highly Toxic  

 
Crustaceans

Ostracod, Seed shrimp Cypridopsis vidua 1,663 1,663 3 Moderately Toxic  

 
Fish

Sheepshead minnow Cyprinodon variegatus 163,000 - 1 Not Acutely Toxic  
Bluegill Lepomis macrochirus 105,000 - 1 Not Acutely Toxic  
Rainbow trout,donaldson trout Oncorhynchus mykiss 156,050 73,050 2 Not Acutely Toxic  

 
Insects

Yellow fever mosquito Aedes aegypti 205.9 307.2 5 Highly Toxic  
Mosquito Aedes albopictus 560.0 162.5 5 Highly Toxic Outlier 
Mosquito Aedes taeniorhynchus 15.7 3.77 3 Very Highly Toxic  
Mayfly Baetis rhodani 8.49 - 1 Very Highly Toxic  
Southern house mosquito Culex quinquefasciatus 235.0 132.9 4 Highly Toxic  
Mayfly Epeorus longimanus 1.62 0.68 3 Very Highly Toxic  
Stonefly Pteronarcys dorsata 70.1 - 1 Very Highly Toxic  
Blackfly Simulium vittatum 8.18 1.14 3 Very Highly Toxic  
Cranefly Tipula sp. 139.0 - 1 Highly Toxic  

 
Zooplankton

Opossum shrimp Americamysis bahia 98.5 60.5 2 Very Highly Toxic  
Brine shrimp Artemia sp. 361,230 - 2 Not Acutely Toxic Outlier 
Water flea Chydorus sphaericus 147,312 14,638 2 Not Acutely Toxic  
Water flea Daphnia magna 103,168 126,929 4 Not Acutely Toxic  
Scud Gammarus pulex 270.0 - 1 Highly Toxic  
Daggerblade grass shrimp Palaemonetes pugio 436.1 127.4 2 Highly Toxic  
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