Guidelines

What is methomyl used in?

What is methomyl used in?

Methomyl is used mostly in agriculture, and is currently registered for use on field vegetables like lettuce, orchard crops like oranges, and on turf (sod farms only).

What type of chemical is methomyl?

Methomyl is a carbamate insecticide introduced in 1966. It is highly toxic to humans, livestock, pets, and wildlife.

What are carbamate pesticides?

Carbamates are a class of insecticides structurally and mechanistically similar to organophosphate (OP) insecticides. Carbamates are N-methyl carbamates derived from a carbamic acid and cause carbamylation of acetylcholinesterase at neuronal synapses and neuromuscular junctions.

Will methomyl kill mice?

Acute toxicity: Methomyl is highly toxic via the oral route, with reported oral LD50 values of 17 to 24 mg/kg in rats [10], 10 mg/kg in mice, and 15 mg/kg in guinea pigs [5]. It is moderately toxic via inhalation with a reported 4-hour inhalation LC50 in male rats of 0.3 mg/L [4].

What kind of insecticide is methomyl used for?

Methomyl. Methomyl is a carbamate insecticide used to control foliage and soil-borne insect pests on a variety of food and feed crops.

What are the chemical names of carbamate insecticides?

Carbamate Insecticides Common name Trade names Chemical name Aldicarb Temik® 2-methyl-2-(methylthio)propionaldehyde O-(methylcarbamoyl)oxine

Is it safe to use methomyl in fly bait?

The only non-agriculture use of methomyl is as fly bait product, which is not a restricted use. Using Methomyl Products Safely Methomyl is extremely toxic if ingested and moderately toxic if inhaled.

Is the EPA going to change the way they use methomyl?

EPA believes that these changes will reduce the illegal use of methomyl fly bait products to kill wildlife, an issue that has been reported to EPA by a number of states. Methomyl is currently undergoing registration review, a program that re-evaluates all pesticides on a 15-year cycle. EPA plans to release methomyl’s draft risk assessment in 2016.