Mine ignore fruit flies (too small), but if yours are smaller lizards, it's certainly worth a try.
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Torey
Eugene, Oregon, USA
1.1 Saharan Uros (Joe and Arthur)
2.1.1 Mali Uros (Spike, Tank, Lilly, and Turtle)
1.1 Ornate Uros (Scuttlebutt and Shazzbot)
2.1 Green Anoles (Bowser, Sprocket, Leeloo)
1.1 Felis domesticus (Roscolux and Jenny)