cactus moth
: a moth having a larva that feeds on cactus specifically : a small whitish or yellowish moth (Cactoblastis cactorum) with dusky markings the larva of which is an orange-red gregarious borer that invades and consumes prickly pear — see cactoblastis First Known Use of cactus moth
1947, in the meaning defined above
Dictionary Entries near cactus moth