Table 1.

Definition and Context of Key Descriptors

Descriptor	Definition	Context
Fitness	Relative ability of individuals (or populations) to survive, reproduce, and propagate genes in an environment	Evolutionary selection in wild populations
Quality	A standard of desired biological attributes that can be monitored and controlled during maintenance of insects within a contained colony	Insectary production
Performance	An outcome of desired field effectiveness with respect to specific management objectives	Containment studies through to field deployment