Amitraz, also known by its development code BTS27419, is a non-systemic acaricide and insecticide. It was first synthesized by the Boots Co. in England in 1969. Let’s explore its properties and uses:

1. Insect Repellent Effect:

   • Amitraz has an insect repellent effect. When treated with amitraz, insects tend to turn away from their target.

   • This property makes it useful for keeping insects at bay.

2. Insecticide and Pesticide Synergist:

   • Amitraz acts as both an insecticide and a pesticide synergist.

   • It can control insects that are directly or indirectly harmful to humans.

   • When combined with other pesticides, it enhances their effectiveness.

3. Mechanisms of Action:

   • Amitraz’s effectiveness is attributed to its:

     • Alpha-adrenergic agonist activity

     • Interaction with octopamine receptors in the central nervous system

     • Inhibition of monoamine oxidases and prostaglandin synthesis

   • These mechanisms lead to overexcitation, paralysis, and eventual death in insects.

4. Use in Beekeeping:

   • Amitraz is widely used in the beekeeping industry to control the Varroa destructor mite.

   • However, there are recent reports of resistance due to overuse and off-label use.