Frontline Plus (not Frontline Top Spot) has an additional ingredient to kill the larval and
egg stages of the flea in addition to killing the adults.
Flea control efforts must consider the
flea egg stage to be effective.
In order to reveal the connections between neuropeptides and bacterial communities, the Kiel - based researchers first concentrated on the development of the freshwater polyp's nervous system, from
the egg stage through to an adult animal.
His work has shown that axolotls are most vulnerable to carp when they are at
the egg stage, and to tilapia when they are juveniles, but reveals that if they can grow beyond a certain size, they might still thrive.
Sentinel has no effect on adult fleas, but controls flea populations by breaking the flea life cycle at
the egg stage.