-Animals (Kingdom Animalia)

-Arthropods (Phylum Arthropoda)

-Hexapods (Subphylum Hexapoda)

-Insects (Class Insecta)

-Winged and Once-winged Insects (Subclass Pterygota)

-Beetles (Order Coleoptera​​)

-​Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles (Suborder Polyphaga)

-​Cucujiform Beetles (Infraorder Cucujiformia)

-Snout and Bark Beetles (Superfamily Curculionoidea)

-​True Weevils (Family Curculionidae)

-Subfamily Dryophthorinae

-Tribe Rhynchophorini

-Subtribe Sphenophorina

-Genus Cactophagus

-Cactus Weevil (Cactophagus spinolae)

This genus is primarily associated with cacti and is known for its role in the ecology of desert environments, particularly in relation to cactus plants. Adult beetles typically feed on the surface tissues of cacti, while the larvae bore into the stems or pads, feeding on the plant's internal tissues.