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Adult Bee Toxicity
4.29 Oral LD50 in µg/bee
Larval Bee Toxicity
0.347 Oral LD50 in µg/bee
Chemical Group
Quinazoline
Adult Bee Toxicity
4.29
Adult Bee Toxicity Group
Moderate
Larval Bee Toxicity
0.347
Persistence Half-Life (days)
44
Persistence Rating
Medium
Relative Index of Systemic Activity
0.78
Registered Uses (USA)

A wide variety of agricultural uses (>100 different crops) including vegetables, tree fruits, other fruits, tree nuts, beans, and other crops. Other uses include landscape plantings, trees, and nursery uses.

Use Categories
Agriculture
Nursery
Landscape
Seed Treatment Use
No
Seed Treatment Crops
Further Information

Confirmation of fenazaquin's ability to translocate is lacking at this time, however, physiochemical properties indicate that this active ingredient may have systemic potential.

Toxicity Reference(s)

Lewis, K.A., J. Tzilivakis, D. Warner, and A. Green. 2016. An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal 22(4):1050-1064. Also, U.S. Environmental Protection Agency (EPA). 2021. ECOTOX User Guide: ECOTOXicology Knowledgebase System. Version 5.3. Available: http:/www.epa.gov/ecotox/

Persistence Reference(s)

U.S. Environmental Protection Agency (EPA). 2010. Fenazaquin: Ecological Risk Assessment for Proposed Use on Foliage Crops, Christmas Tree Plantations; Ornamental Plants, Non-bearing Tree Fruits and Nuts, and Established Ornamental Landscape Plantings. 101 pp.