PAN Pesticides Database - Chemical Toxicity Studies on Aquatic Organisms

Acute Aquatic Ecotoxicity Summaries for Diazinon on Insects

Use(s): Insecticide    Chem Class: Organophosphorus    U.S. EPA PC Code:057801    CAS Number: 333-41-5, 59928-80-2
Sorted by Organism Group, Scientific Name and LC50. Species summary toxicity data are derived from the U.S. EPA AQUIRE database.
Records 1 to 27 of 27
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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?

Insects

Stonefly Acroneuria ruralis 178.6 131.7 5 Highly Toxic  
Yellow fever mosquito Aedes aegypti 27.0 - 1 Very Highly Toxic  
Mosquito Aedes cantans 35.6 - 1 Very Highly Toxic  
Mosquito Aedes punctor 69.5 - 1 Very Highly Toxic  
Mosquito Aedes vexans 37.9 - 1 Very Highly Toxic  
Mayfly Baetis tricaudatus 145.7 150.7 3 Highly Toxic  
Caddisfly Ceratopsyche morosa 2,000 866.0 4 Moderately Toxic Outlier 
Caddisfly Cheumatopsyche oxa 110.0 80.0 2 Highly Toxic  
Midge Chironomus plumosus 105.0 - 1 Highly Toxic  
Midge Chironomus riparius 188.0 159.4 5 Highly Toxic  
Midge Chironomus tentans 1.89 3.94 6 Very Highly Toxic  
Rice bloodworm Chironomus tepperi 35.5 - 1 Very Highly Toxic  
Mayfly Cloeon dipterum 7.80 - 1 Very Highly Toxic  
Mosquito Culex fatigans 65.3 28.5 3 Very Highly Toxic  
House mosquito Culex pipiens fatigans 3.63 1.33 10 Very Highly Toxic  
Mosquito Culex pipiens molestus 30.8 - 1 Very Highly Toxic  
Mosquito Culex pipiens pipiens 24.3 - 1 Very Highly Toxic  
Mosquito Culex pipiens quinquefasciata 79.4 35.1 5 Very Highly Toxic  
Southern house mosquito Culex quinquefasciatus 7.67 3.40 3 Very Highly Toxic  
Mosquito Culiseta annulata 2.30 - 1 Very Highly Toxic  
Caddisfly Hydropsyche angustipennis 1.88 0.84 5 Very Highly Toxic  
Caddisfly Hydropsyche recurvata 1,000 866.0 4 Moderately Toxic  
Caddisfly Hydropsyche sparna 155.0 65.0 2 Highly Toxic  
Caddisfly Leptocella albida 220.0 - 1 Highly Toxic  
Damselfly Lestes congener 50.0 - 1 Very Highly Toxic  
Dragonfly Orthetrum albistylum speciosum 1,163 1,368 6 Moderately Toxic Outlier 
Mayfly Paraleptophlebia pallipes 96.8 73.9 6 Very Highly Toxic  
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