University of Nebraska

Department of Entomology

Insecticides for Colorado Potato Beetle Control in Potatoes

Updated March 17, 2003

This list is not inclusive. See http://www.greenbook.net or other resources for additional registrations.
This information is presented in abbreviated form. Be sure to consult the label for additional information and restrictions.

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IRAC Mode of Action Classification:
Group 1 = Acetylcholine esterase inhibitors; 1A = Carbamates Group 2 = GABA-gated chloride channel antagonists; 2A = Cyclodiene organochlorines Group 11 = Microbial distuptors of insect midgut membranes (includes transgenic crops expressing Bacillus); 11C = B. t. subsp. tenebrionis Group 21 = Mitochondrial complex I electron transport inhibitors R = Restricted-Use Product
Mode of Action	Product Name	Common Name	Rate (Formulation/Acre)	Restrictions/Comments
11C	M-Trak	Bacillus thuringiensis	2 - 3 qts	Apply against small larvae. Persistence is short.
21 R	Rotenone	rotenone	as labeled
1A	Sevin XLR+, 4F Sevin 80S	carbaryl	1 - 2 qts 1.25 - 2.5 lbs	The 80S and 4F formulations are highly hazardous to bees. Some rotational restrictions. May be used with sprinkler irrigation. 12 to 24 hour reentry proposed.
2A R	Thiodan 50W, Thiodan 3E, Endocide 3E	endosulfan	1 - 2 lbs 0.7 - 1.3 qt	48 hour reentry proposed. Some rotational restrictions with root crops.