Do you notice bees in early stages of development.........???
Few bees like (Trigona spinipes).........bite the flower base to get some cere................
At the bite local.............the frui becomes to turn dark...............and the root............
But all starts wit bee bites...........
This is the Flowers of my Praying Hands............
I do not notice problems with Praying Hands..............but with Nanners yes.................the bees can make a real damage...........
In you case I doun´t know what happens..............???
Do you see bite marks in the fruits...........???