Theobroma cocoa and chocolate. "Theobroma" species are used as food plants by the larvae of some moths of the genus "Endoclita", including "E. chalybeatus", "E. damor", "E. hosei" and "E. sericeus". The larvae of another moth, "Hypercompe muzina", feed exclusively on "Theobroma cacao". An active ingredient of cacao, theobromine, is named for the genus. Theobroma Theobroma is a genus of flowering plants in the mallow family, Malvaceae, that is sometimes classified as a member of Sterculiaceae. It contains roughly 20 species of small understory trees native to the tropical forests of Central and South America. The generic name is derived from
Ceratocystis cacaofunesta Ceratocystis cacaofunesta Ceratocystis cacaofunesta is an ascomycete fungus that causes a wilt disease in cacao trees. It has led to significant economic losses in Latin America. Once considered to be a form of "Ceratocystis fimbriata", the fungus was described as a new species in 2005. The specific epithet "cacaofunesta" means "cacao-killing". Two closely related sublineages exist within this species, one centered in western Ecuador and the other containing isolates from Brazil, Colombia and Costa Rica. The disease known as "Ceratocystis wilt of cacao" (or "Mal de machete") is a serious disease of the cocoa tree ("Theobroma cacao") in Latin America.