Insect Growth Regulator (IGR)
Hydroprene is not an adulticide (insecticide) but is a growth regulator
that inhibits the maturity and growth of certain insect pests in their immature
stages. Young cockroaches (nymphs) exposed to this IGR
are unable to reach maturity and will never reproduce. Roaches have an
exoskeleton or external skin that is shed and a new, larger skin replaces the
old as the roach matures. Hydroprene makes this maturing process very
difficult, stopping or slowing the growth of the cockroach.
Even adult roaches are affected and might be seen with wrinkled of deformed
The use of Hydroprene (in many cases) drastically reduces the need for contact
insecticides or eliminates the need for insecticide sprays. This has
been a great asset for pest control professionals that implement integrated pest
management programs in schools, nursing homes, hospitals, restaurants and other
This IGR is the active ingredient used in Gentrol
products such as Gentrol,
Aerosol. Hydroprene is not photostable and is for indoor use, only.
A new item from Whitmire that contains Hydroprene is BP100-Plus,
a ready to use fogging solution. Active ingredients - Pyrethrins and
Hydroprene. BP100-Plus fogging solution is a very clean product labeled
for commercial food handling and homes. Indoor electric
fog machines (fogger) work great for this fogging solution.
Use this IGR when eliminating, controlling or preventing cockroaches
(roaches) and many pantry
Beetles are a pantry pest that is not affected by Hydroprene; use Methoprene
instead. Can be tank mixed with adulticides (insecticides) or used alone.
Gentrol (previously called Gencor IGR)
is usually tank mixed with Cypermethrin, Acephate
or Deltamethrin concentrates for existing roach
infestations. Available in liquid
and in solid
Pantry Pest Elimination
Cockroach Index IGR
Gentrol Point Source