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University of Nebraska–Lincoln

Department of Entomology

Insecticide Treatment Options for Colorado Potato Beetle

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.

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.