Although being an insect bees do not have a form of embryo like those in mammals, they do have a stage betwixt the egg and the grub which is the nearest the insect world has to the embryo. I was very fortunate when I was able to capture this stage of bee development.
Bee embryo (the stage between the egg and the grub)
First stage of the honey bee grub
Honey bee eggs laid in the wax cells of the comb