The FMC Corporation has received a federal label for Mustang (zeta-cympermethrin) insecticide. Mustang contains 1.5 pounds of active ingredient per gallon. Mustang is a pyrethroid insecticide and a restricted use pesticide. Environmental hazards on the label state that, "this pesticide is extremely toxic to fish and aquatic invertebrates. This product is highly toxic to bees exposed to direct treatment or residues on blooming crops or weeds." The restricted entry interval is 12 hours for all labeled crops.

Listed below are a few excerpts from the label for several crop pests in Iowa. The label must be consulted for complete information on restrictions and application recommendations. A label may be found at http://www.cdms.net/ldat/ld5FT001.pdf

Maximum seasonal usage and preharvest interval (PHI) for Mustang.

Crop	Total lb/acre	Total oz/acre	PHI (days)
Alfalfa	0.05/cutting	4.3	3 (cutting or grazing)
Corn (field, seed, pop)	0.2	17.2	30 (grain and fodder) 60 (silage)
Sorghum	0.25	21.5	14 (grain and fodder) 45 (forage)
Soybean	0.3	25.8	21
Wheat	0.25	21.5	14

Mustang rates for several insects in Iowa crops (see label for complete list of insects).

Crop	Pest	Rate of Application	Application Comments
Alfalfa	Alfalfa weevil	2.4-4.3 oz./acre*
	Potato leafhopper	2.4-4.3 oz./acre*
Corn	Cutworms (at plant)	0.16 oz./1,000 row ft.	In-furrow, band, or T-band
	Cutworms (rescue)	1.4-3.0 oz./acre*
	Flea beetle	2.9-4.3 oz./acre*
	Armyworm	3.4-4.3 oz./acre*
	Stalk borer	2.9-4.3 oz./acre*
	European corn borer	2.9-4.3 oz./acre*
	Western bean cutworm	1.9-4.3 oz./acre*	For control before larvae bore into ear
	Corn earworm	1.9-4.3 oz./acre*	For control before larvae bore into ear
Sorghum	Chinch bug	3.4-4.3 oz/acre*	Direct spray at base of plants
Soybean	Bean leaf beetle	3.0-4.3 oz./acre*
	Green cloverworm	3.0-4.3 oz./acre*
	Aphid species	3.4-4.3 oz./acre*	Aids in control
Wheat	Armyworm	1.9-4.3 oz./acre*
	Chinch bug	3.4-4.3 oz./acre*

*Apply in a minimum of 2 gallons of finished spray per acre by aerial equipment or 10 gallons per acre by ground equipment.