they dont
only female ones evolve
at level 21 if You want a male vespqwen keep trainig combee
Lumineon
if you have a female combee it evolves at level 21but unfortunatley male combee dont evolve and they are loads more common! sorry
combee
It must be a Female combee and it evolves at level 21
At lv.21, only if the combee is a female...
No trainer has a combee in diamond and pearl but you can find a combee on trees you put honey on. There is a trainer in route 208, she has combee and Roselia
Not sure how to get the vespiquen, but if you slather Honey on a tree, then you might come across a combee. Then, you can level the combee up and itll evolve into a vespiquen.
~Combee~
Many people do.
I doubt it as combee appeared first in Diamond and Pearl
You find combee in honey trees.
put honey in a tree and it will come