The spray will not reach the cracks and crevices where bed bugs hide. See Should I Use a Fogger? for more information. Carefully look for any evidence of bed bugs every few days after you complete your initial cleanup and control processes. If you see bed bugs, either the initial cleanup missed some bugs or eggs have hatched.
With regards bathrooms I have only seen 3 or 4 cases where bed bugs were found to be living in these areas and in at least one case the source was the adjoining property connected only via the bathroom, the other cases were all extremely advanced and practically all surfaces in the property were showing signs.
Mosquitoes can breed in even tiny amounts of water. To prevent your yard from becoming Club Med for these itch-inducing pests, drill holes in the bottom of recycling and trash containers and clear
Diatomaceous earth and boric acid are fairly effective pest control components, if used correctly. By correctly, it should be (1) baited properly, either with sugar or food, and (2), strategically placed. If these are used, you'll have a lot of dead bugs trying to invade your kitchen pretty soon.
The main reason that bugs find their way into your kitchen is the presence of food. Follow these pointers to get rid of bugs like roaches, ants and any other bug. Seal all food in air tight jars so that bugs cannot have access to any food. Always remove and clean all dishes from the sink. Don't let any dishes accumulate in your sink.
Add a bay leaf to canisters and packages of dry goods like flour, rice and other grains- their pungent scent repels many pantry pests. Check expiration dates on baking ingredients before use. If you keep fresh fruit on the counter, check it often for signs of over-ripening or decay.