The worst part for control efforts is that all stages of this insect's life cycle can appear on a plant at the same time.
Very soon, they eat enough to pass on to the next stage of their life cycle.
These represent two different stages of the parasite's life cycle.
It has different forms at different stages of its life cycle.
I'd like to see the later stage of the organism's life cycle.
The palmetto is shown at several stages of its life cycle.
The governing body's role changes, according to the stage of the organisation's life cycle.
You wouldn't want to see any stage of its life cycle.
Does it really matter at what stage of their life cycle we kill them?
It had to be totally self-funding at every stage of its life cycle.