Vigueras Guzmán, A.L., & Portillo Martínez, L. 1997 Cultivo de la grana o cochinilla del nopal. [Cultivation of a scale insect called "Grana" or nopal's cochineal.]. [Mexican Succulents/Cacti.] Suculentas Mexicanas/Cactaceas CVS Publications. CONABIO, SEMARNAP/PROFEPA, UNAM Mexico 143 pp.

Notes: [English translation on pp. 135-136.] Topics discussed include historic aspects of the cochineal (Dactylopius coccus, host plants, biological cycle, cultivation and perspectives of the cultivation of the cochineal.