I'm going to try this because the wasps rule the back yard.
Ewwww... A mosquito trap! I'm going to try it this summer and see if it works...
Work a bag of dry concrete mix into the soil where stone is to sit, lay stone, water it all in so it sets just like Jello only harder!
Make your own rustic arbor using twigs and logs. This guide takes you through all the steps.