Comparative Phylogeography of a Coevolved Community: Concerted Population Expansions in Joshua Trees and Four Yucca Moths
The locations of 29 palaeorecords for Y. brevifolia from 13KYA or earlier are shown as grey triangles. Leaf tissue was sampled from all sites. Specimens of Prodoxus sordidus and P. weethumpi were sampled from sites 2, 13, 27, 33, and 37. Specimens of Tegeticula antithetica, which occurs in the eastern half of the range of Y. brevifolia, were collected from sites 19, 25, 27, 30, 33, and 37; specimens of T. synthetica, which occurs in the western of the range of Y. brevifolia, were collected from sites 2, 9, 11, 17, and 19.