The yucca moth’s larvae rely exclusively on the seeds of the yucca plant as a primary food source, and the plant relies exclusively on the yucca moth for pollination. Yucca seeds provide the only food for the yucca moth larvae, so they need the plant to survive. The larvae of the moth come out of the eggs as the seeds start developing. Both Yucca plant and the moth cannot complete their life cycles without each other. The yucca plant and moth cannot survive without each other. Most moths emerge from the soil between … The first observation of the yucca moths was made by George Engelmann in St. Louis in 1872 (Engelmann, 1872). The best time to view moths in yuccas is just after sunset. They share a mutually beneficial relationship. The yucca-yucca moth relationship was first described in 1872 by pioneering entomologist Charles Valentine Riley, and has since become a literal textbook example of symbiosis. So we invite you to find a yucca, and pull up a chair. It is a balanced relationship – the moth pollinates the plant and in exchange the plant provides food for the moth. The female yucca moth acts as the pollinator of the yucca plant. Since the larva develops into a moth that pollinates the yucca plant, the relationship is clearly beneficial to both partners. Baker (1986) provided a passage from Engelmann’s notes written on 13 June 1872 about the initial ob- By comparison, the relationship between the Mexican jumping bean (Sebastiana pavoniana) and its symbiotic moth (Laspeyresia saltitans) is clearly one-sided. [xiv] Robert H. Webb et al,“Dynamics of Mojave Desert Shrub Assemblages in the Panamint Mountains, California,” Ecology , … Tegeticula is commonly known as the yucca moth. At the highest tree density, moth abundance was low despite high tree abundance; this was the highest elevation site at 2212 m (site 11), which had no successful sexual reproduction. Answer: The realtion b/w moth and yucca plant is known as mutualism,becoz both Moth and Yucca plant benefit each other. Both pollinating yucca moth (Tegeticula) and bogus yucca moth (Prodoxus) abundance increase with density of live Joshua trees. Engelmann asked Charles Ril-ey, then state entomologist of Missouri, to explore the relationship between the moths and the plants. Moth lays eggs on Yucca plant.The eggs of Moth take food and shelter on Yucca plant.On the other hand the pollination of the plant is done by Moth.These eggs get hatched on the plant.Once the pollination is done the larvae of the Moth gets free. The yucca plant, which Native Americans used to make baskets, has a mutualistic relationship with the yucca moth. These moths are specific pollinators for the plant and the plant cannot survive without them. The moth cannot complete the life cycle without the yucca plant. Yucca moths typically lay about six eggs in a yucca flower. 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