Dave

Bees have about the same response range as us .. shifted to the Ultraviolet ..

thus they see red and frequencies beyond as black ..

thus IR would be black as well and this doesn't ring true.

Dave
>they see no red but can see UV & IR.
>
>We see the interior of a hive as "Dark" but infra red penetates wood to a
>certain degree and would illuminate the interior with infra red light
>(during daylight).
>