Because in the games, Bug-types are effective against Dark-types. Just like malaria in Africa.
Are you gonna Jaundice on Saturday
Malaryan Steel.
Dill or No Dill
Battleshvitz
The parrot says, "Africa." (I don't know if you know this one, but I just heard it today)
He missed the rains down in africa
Just chilling.
SaTURDay
Cause they can't stab them in the back
He takes a Pikachu teeth.
Freezing.