Behaviour patterns may assist or hinder collection and management during rearing. Such behaviour includes:

Collecting methods and traps that exploit these behaviours can be devised. For example, jar type light traps attached to opaque breeding boxes are used to harvest new adults of seed-feeding bruchids. Newly hatched larvae of the lantana noctuid Neogalea esula have a tendency to descend in large numbers on silk threads. They were readily collected from oviposition cages for transfer to food plants in development cages. Cryptic insects can be provided with removable trays of suitable material in which to hide.

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