yucca moth

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A small white moth (Tegeticula alba) of North America that pollinates the yucca plant and at the same time lays its eggs in the ovaries of the flower.

Century Dictionary and Cyclopedia

1. n. Same as yucca-fertilizer.

GNU Webster's 1913

1. n. (Zoöl.) a small silvery moth (Pronuba yuccasella) whose larvæ feed on plants of the genus Yucca.