I used leaves and wood that I gathered in my city. I gathered the wood from a smallish patch of woods close to the highway leading away from city and the oak leaves from my mother in laws house (she said, she doesn't spray). I made sure I used the rule of thumb and checked to see if other insects, such as pill bugs were inside. My question is: What is the likelihood of this being poisonous for them, since they spray for mosquitoes and such within the city limits? I only ask because I worry... I haven't seen them for well over a month now, and the only one I do see, seems very lackluster(doesn't move much)