[David]

I think D. prolifera would be a good candidate but they need high humidity. It would be difficult in a home if you do not grow them in a terrarium of some sort. However, that would defeat the purpose of having them there to control insects.

Anyway, CP may well attract more insects than control them. They are also made my nature not to capture everything that comes their way. Take for instance the Nepenthes. If the first few ants that arrive at its pitchers were captured, the ants would not be able to go back and inform the colony.

It is more of a symbiosis between the two. Kinda like how humans were in prehistoric times where they sacrifice their fellow men to their gods to receive favor for good crop produce on the land. Same as the ants, only a few will fall into the Nepenthes pitchers, but in return the plant of