In an aspect, a system for breeding and harvesting insects is provided and includes an egg-producing chamber structure configured to receive insect pupae for pupation and to permit emerged adult insects to mate and oviposit insect eggs, at least one oviposition region in the egg-producing chamber structure configured to receive the insect eggs and apertured to permit at least one of the insect eggs and neonates of the insect eggs to pass therethrough, at least one larvae-growth chamber in communication with the at least one oviposition region so as to be configured to receive the at least one of the insect eggs and neonates of the insect eggs, wherein the larvae-growth chamber is further configured to permit the at least one of the insect eggs and neonates of the insect eggs to transition into larvae and to hold feed material for the larvae, a harvesting receptacle positioned to hold larvae, and an inclined surface positioned to receive larvae from the at least one larvae-growth chamber, and to provide a passageway for the larvae to travel to the harvesting receptacle.