According to DeVries, bed bugs are highly resistant to pyrethroids, and ingestible insecticides work effectively on many pests and are typically used at a lower rate than most sprays. ... Fipronil and clothianidin both were able to achieve 100 percent mortality on bed bug males and nymphs.

Is Fipronil good for bed bugs?

Fipronil, a phenylpyrazole that targets the GABA receptor, has been shown to be highly effective on bed bugs.

What immediately kills bed bugs?

Steam – Bed bugs and their eggs die at 122°F (50°C). The high temperature of steam 212°F (100°C) immediately kills bed bugs. Apply steam slowly to the folds and tufts of mattresses, along with sofa seams, bed frames, and corners or edges where bed bugs may be hiding.