New species in the Sitalcina sura species group (Opiliones, Laniatores, Phalangodidae), with evidence for a biogeographic link between California desert canyons and Arizona sky islands

Habitats and live in situ specimens. A Granite talus at Mt Palm Springs, CA – creosote + ocotillo + bursage habitat B live S. borregoensis from Mt Palm Springs C Volcanic talus at Peeples Valley, AZ – pinyon, juniper habitat D live S. rothi from Peeples Valley E live S. peacheyi from Madera Canyon, AZ F live S. sura from Palo Colorado Road, CA. Specimen images not at same scale.