for aphids, buy a bag of ladybugs at Home Depot, and for larger bugs, have a sprinkler near the plant. (grasshoppers are affraid of water)
Cedar is a great wood to burn if you want to repel bugs. I wouldn't stop with wood though, there are a number of plants you can burn as well. Some plants to try are citronella, lemongrass, rosemary, and thyme.
Tell him their bugs
Fences , or move the plants.
you have to make it die and if you get poisoned by a bug then you kill it
pepper
they are having a little sleep
get a kill insect spray and make it so it sensers in then it will kill the insect
you need a spray bottle.put a TBL Spoon of murphys oil and fill the rest with water. spray any plant with it it helps alot
spray them with chili
Thorns and a foul taste.
plant horse repelling plants around the bush
it will stop you from eating poisonous plants