Hatiora/Schlumbergera Christmas/Easter Cactus Colletotrichum leaf spot
Drechslera leaf spot
Helminthosporium leaf spot
Cholla Helminthosporium leaf spot
Fusarium leaf spot on Sansevieria
Aspergillus rhizome rot of Sansevieria
Cactus moth caterpillar, Cactoblastis cactorum (This is a major pest in some countries)
Cactus Bug (Chelinidea vittiger) (Pictured)