I'll have to get back to you on that. 
Not being a big fan of insecticdes (VX, anyone?) I tend to use them sparingly in the home. For example - I spray mozzies (skeeters) in the house with insect repellent, thus:

Doesn't kill 'em outright...but they die of loneliness.
Can be a bastard if all I have is a roll-on...






