Botany Capable of trapping and absorbing insects, as the pitcher plant.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "insectivorous" in a sentence
"Most carnivorous - "insectivorous" - plants do feed on insects and such buggy invertebrates."
"I have been working for some time on a special subject, namely insectivorous plants."
"It would be almost an impossibility to keep the purely insectivorous species, were it not for the fact that they can be gradually accustomed to feed on what is known as "insectivorous" or "insectile" food, a composition of which the principal ingredients generally consist of dried ants 'cocoons, dried flies, dried powdered meat, preserved yolk of egg,  and crumb of bread or biscuit."