. . . . . . . . . "Dactylopius coccus" . . "Cylindropuntia acanthocarpa" . . "marek. 2018. Dactylopius coccus host Cylindropuntia acanthocarpa. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9340900> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .