Dr. Jeremy Yoder, an associate professor in the Department of Biology at California State University Northridge, quipped recently that we have a “small, boring-looking moth” to thank for the ubiquitous trees. Two species of yucca moth (Tegeticula synthetica for Western Joshua trees, and Tegeticula antithetica for Eastern Joshua trees) are Joshua trees’ sole pollinators.
https://www.pcta.org/2026/ecoregions-southern-california-and-the-northern-baja-coast-97801/
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