PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Diflubenzuron on All Taxa Groups

Use(s): Insect Growth Regulator    Chem Class: Benzoylurea    U.S. EPA PC Code:108201, 212200, 108201, 212200    CAS Number: 35367-38-5
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 50 of 53
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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

Frog Rana brevipoda ssp. porosa 100,000 - 1 Not Acutely Toxic  

 
Crustaceans

Blue Crab Callinectes sapidus 1,273 1,579 3 Moderately Toxic  
Green Crab Carcinus maenas 1,000,000 - 1 Not Acutely Toxic Outlier 
Clam Shrimp Order Conchostraca 0.38 - 1 Very Highly Toxic  
American Lobster Homarus americanus 1,200 300.0 2 Moderately Toxic  
Tadpole Shrimp Order Notostraca 0.64 - 1 Very Highly Toxic  
Ostracod/Seed Shrimp Class Ostracoda 5,000 - 1 Moderately Toxic  
Fiddler Crab Uca pugilator 1.00 - 1 Very Highly Toxic  

 
Fish

Sheepshead Minnow Cyprinodon variegatus 71.5 58.5 2 Very Highly Toxic  
Common Carp Cyprinus carpio 389,000 - 1 Not Acutely Toxic  
Mummichog Fundulus heteroclitus 143,995 111,005 2 Not Acutely Toxic  
Channel Catfish Ictalurus punctatus 154,000 108,000 5 Not Acutely Toxic  
Bluegill Lepomis macrochirus 78,611 45,577 18 Slightly Toxic  
Cutthroat Trout Oncorhynchus clarkii 61,556 10,678 9 Slightly Toxic  
Rainbow Trout Oncorhynchus mykiss 124,579 131,191 19 Not Acutely Toxic  
Mozambique Tilapia Oreochromis mossambicus 800,000 - 1 Not Acutely Toxic Outlier 
Yellow Perch Perca flavescens 33,333 11,785 3 Slightly Toxic  
Fathead Minnow Pimephales promelas 282,500 184,170 4 Not Acutely Toxic  
Atlantic Salmon Salmo salar 50,000 - 1 Slightly Toxic  
Brook Trout Salvelinus fontinalis 50,000 - 7 Slightly Toxic  

 
Insects

Yellow Fever Mosquito Aedes aegypti 147.6 364.4 13 Highly Toxic  
Asian Tiger Mosquito Aedes albopictus 0.68 0.22 2 Very Highly Toxic  
Mosquito Aedes nigromaculis 0.72 - 1 Very Highly Toxic  
Mosquito Aedes taeniorhynchus 1.81 - 1 Very Highly Toxic  
Mosquito Anopheles albimanus 1.42 - 1 Very Highly Toxic  
Mosquito Anopheles culicifacies 0.46 0.41 5 Very Highly Toxic  
Common Malaria Mosquito Anopheles quadrimaculatus 1.24 - 1 Very Highly Toxic  
Mosquito Anopheles stephensi 3.10 2.96 5 Very Highly Toxic  
Midge Chironomus crassicaudatus 2.62 - 1 Very Highly Toxic  
Midge Cricotopus sp. 1.79 - 1 Very Highly Toxic  
Mosquito Culex nigripalpus 1.11 - 1 Very Highly Toxic  
Mosquito Culex pipiens ssp. pallens 2.20 - 1 Very Highly Toxic  
Southern House Mosquito Culex quinquefasciatus 6.28 16.2 12 Very Highly Toxic  
Mosquito Culex salinarius 2.92 - 1 Very Highly Toxic  
Mosquito Culex tarsalis 0.70 - 1 Very Highly Toxic  
Midge Glyptotendipes paripes 2.01 - 1 Very Highly Toxic  
Stonefly Isogenus sp. 78,750 21,250 2 Slightly Toxic Outlier 
Blackfly Simulium vittatum 112.4 153.9 3 Highly Toxic  
Midge Tanytarsus dissimilis 1.02 - 1 Very Highly Toxic  
Mosquito Wyeomyia mitchellii 15.3 - 1 Very Highly Toxic  

 
Molluscs

Fresh-Water Mussel Anodonta sp. 1,000,000 - 1 Not Acutely Toxic  

 
Zooplankton

Opossum Shrimp Americamysis bahia 1.72 0.40 5 Very Highly Toxic  
Brine Shrimp Artemia salina 0.37 - 1 Very Highly Toxic  
Water Flea Order Cladocera 1.80 - 1 Very Highly Toxic  
Copepod Order Cyclopoida 10,000 - 1 Slightly Toxic  
Water Flea Daphnia magna 251.2 377.9 6 Highly Toxic  
Calanoid Copepod Eurytemora affinis 2.20 - 1 Very Highly Toxic  
Scud Gammarus pseudolimnaeus 14,041 18,244 5 Slightly Toxic Outlier 
Scud Hyalella azteca 1.84 - 1 Very Highly Toxic  
Daggerblade Grass Shrimp Palaemonetes pugio 825.4 1,158 30 Highly Toxic  
Records 1 to 50 of 53
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