Pathogenic infection is typified by Rhesus macaques infected with SIV strains derived from sooty mangabeys. Sooty terns also breed on the islands. They often produce copious amounts of honeydew which encourages the growth of sooty mould. The sycamore is susceptible to sooty bark disease, caused by the fungus "Cryptostroma corticale". "M. paniculata" is vulnerable to soil nematodes, scales, sooty mold and whiteflies. Individual plumage variation is high, with some light and others almost sooty. The greater sooty owl preys on bandicoots. It involved an annual competition to retrieve the first egg laid by migrating sooty terns. Polystyrene, being an aromatic hydrocarbon, typically combusts incompletely as indicated by the sooty flame. They tend to burn with a sooty flame, and many have a sweet aroma. They are used because of the sooty flame produced by acetylene. It adheres to plants, where it promotes growth of sooty molds. Maximum known ages include 34 for an Arctic tern and 32 for a sooty. Chemical control of sooty mold itself is not needed. The face is crossed by a broad band of sooty black, which includes the eyes.