Are You a Good Bug or a Bad Bug?

Doubtless everyone is aware that there are good bugs
and bad bugs.  Just like the witches in The Wizard of Oz. 
There are lots of beneficials that pollinate our gardens and 

EAT
the bad bugs.

 But, do you know how to attract them and KEEP them in your garden?

Neonicotinoids

Companion Planting