- acridologyThe scientific study of grasshoppers and locusts (of the infraorder Acrididea).
- acridophagiA supposed locust-eating people in ancient ethnography, located by Diodorus Siculus, Jerome, Pliny the Elder, and Strabo, variously in Ethiopia, Libya, or Parthia.
- acridophagusOne who eats grasshoppers and locusts.