In addition to the semaphore cactus, the arrival of "Cactoblastis cactorum" to the United States caused concern for the ornamental cactus industry in Arizona, California, Nevada, New Mexico and Texas.
The arrival of "Cactoblastis cactorum" to the United States caused concern for the ornamental cactus industry in Arizona, California, Nevada, New Mexico and Texas. This was in addition to the semaphore cactus.