Dinothrombium pandorae, also known as an angelita or a rain bug, is a giant red velvet mite found in the Southern California desert. This species usually emerges after rains. The larva eat grasshoppers, the adults eat termites.
References
Further reading
Newell, Irwin M.; Tevis, Lloyd (1960-05-01). "Angelothrombium Pandorae N. G., N. SP. (Acari, Trombidiidae), and Notes on the Biology of the Giant Red Velvet Mites". Annals of the Entomological Society of America. 53 (3): 293–304. doi:10.1093/aesa/53.3.293. ISSN 1938-2901.
Tevis, Lloyd; Newell, Irwin M. (July 1962). "Studies on the Biology and Seasonal Cycle of the Giant Red Velvet Mite, Dinothrombium Pandorae (Acari, Trombidiidae)". Ecology. 43 (3): 497–505. doi:10.2307/1933377. ISSN 0012-9658.