lots of differences in behavior, ecology and physiology.
bees: eusocial pollinators of nectar that have 4 wings
flies: solitary, varied diet, 2 wings
The difference is that a bee can sting but a dragonfly and a moth can't.
the difference between a bee and a bee is "and"
The difference between the queen bee and a worker bee is if u look in between their eyes, it should have a black or yellow nose between their eyes. If it is yellow its and guard bee if it is yellow its a queen bee.
The difference between a messy bee and a bed it a joke is that the bed bee talks about a bee and the bed while the messy bee joke does not.
The difference between a pillow and a bee is a bee has a stinger on its back so it can sting the pillow. The pillow can do nothing, but hold your head.
The difference between a frog and a bee is that the frog's honey is inedible.
There is no difference between a rainy day and a bee with a cold, because they both sting.
I am not sure what you mean by mr joke and there is no difference between a cold bee and Elmo.
the actual joke is "what kind of bee's can you get milk from? and the answer is "boobies"
A bee fly is a member of the fly family Bombyliidae, with adults which look like bumblebees.
Ant, bee, fly, bug.
ANSWER It is probally a bee fly