The active ingredient Hydramethylnon 2% used as an insecticide in the form of bait for cockroaches leading to death in 2–4 days. Hydramethylnon inhibits mitochondrial energy production and has delayed action, with death generally not occurring for at least 24 hrs after consumption of the bait.[8] After a single feeding, there are no immediate symptoms of poisoning, but within a few hours, the insects become lethargic and stop eating.