So, as mentioned abode, bees are behaving strangely towards End Rods.
The AI will fly into the End Rod, as though expecting to phase through it. I experienced this glick largely at night/when raining while bees were trying to enter the Nest. Occasionally they'd reproduce this during the day, but this is especially noticeable at night/while raining. I have an assortment of screenshots to share below (with debug screen open).
For reproduction:
Put bees in a chamber (about 10x3x10), preferably across a chunk boundary.
Place End Rods along walls.
Place nest along a wall, with entrance facing outwards.
Try to have 10 bees in the chamber.
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THIS ISSUE IS NOT A DUPLICATE!
My Report uploaded on September 9, 2019 (9/9/2019)
Duplicated Report uploaded on October 16, 2019 (16/10/2019)
I wish this to be resolved.

It has been intentionally forward-resolved to the other ticket.
OK. Makes sense.