Alcea "Alcea" species are used as food plants by the larvae of some Lepidoptera species including "Bucculatrix quadrigemina" and "Vanessa cardui", the painted lady. The mallow flea beetle ("Podagrica fuscicornis") is a pest that makes tiny holes in the leaves. Cutworms, aphids, and capsid bugs use the plant as a food source in hotter and drier conditions. A number of weevils use "A. rosea" as their host plant, including "Rhopalapion longirostre", "Alocentron curvirostre", and "Aspidapion validum". The plants are also susceptible to the pathogenic fungus "Puccinia malvacearum", the hollyhock rust. A hollyhock flower, known in Japan as , was incorporated into
Flower Garden Banks National Marine Sanctuary Flower Garden Banks National Marine Sanctuary The Flower Garden Banks National Marine Sanctuary is a U.S. National Marine Sanctuary located 100 nautical miles (185 kilometers) offshore of Galveston, Texas in the northwestern Gulf of Mexico. Underlying salt domes forced the seafloor upward in various areas of the Gulf of Mexico, resulting in the formation of rises and banks. Conditions of the Gulf of Mexico were conducive to reef-building, which started roughly ten to fifteen thousand years ago. Two reefs, East Flower Garden Bank (EFGB) and West Flower Garden Bank (WFGB), made up Flower Garden Banks National Marine Sanctuary (FGBNMS) when