Last year twice I went out in my yard for just MINUTES and came back with ticks. I assume that any tiny black dot is a tick, and I investigate with a high-power

Last year twice I went out in my yard for just MINUTES and came back with ticks. I assume that any tiny black dot is a tick, and I investigate with a high-power illuminated magnifying glass - the only way I can see that it's a tick. Besides each door leaving my house is a can of "Off".