Design: Infra-Red Perception [Effectiveness: 1] [Expense: 3] [Bugs: 4]
Despite being more in line with our present expertise, the Queen has not had the most success adapting the light-sensing pigments within the standard Worker compound eye, at least not without significant metabolic expenditure. Tweaking perception of cells to receive infra-red light has currently meant giving up perception of other elements of the visual light spectrum; our drones have lost the ability to perceive certain types of blue and violet, which itself has reduced immediate threat perception. The trade off is that our drones now have very limited heat sight; resolution is appalling due to the inefficiency of the IR cells and their limited distribution across the eye, but it is enough to detect bodies of troops moving at night, or their campfires. Ambushes with workers may be of limited effectiveness, but they are now at least possible.
Beyond the trade-off effect, the new eyes do occasionally create 'artefacts' when strong colours and strong IR signals overlap. This is a fairly minor bug, but will be endemic throughout the worker population. Additionally, the new cells are rather metabolically demanding; we can expect drones to require more food than they used to in order to sustain these changes.
The manpower cost of workers has risen to 1.1 manpower. They are very slightly worse at melee combat, but more capable in the skirmish phase.
It is now the Revision Phase. You have 3 dice remaining.