Colonies of P. marginatus excrete honeydew, which coats nearby plant surfaces. Fouling of plant leaves by honeydew and sooty mould blocks out air and...

R. indica was first described in India in 1924 (Hirst) and has since been reported in several Old World countries. The species became of recent...

Cochliomyia hominivorax (Coquerel) is endemic to the Western Hemisphere, with the exception of Chile., although it has been eradicated from...

Kalanchoe blossfeldiana is probably the most popular and widely cultivated Kalanchoe species. It is often planted as an indoor potted plant and as an...

Livistona chinensis is a palm tree that has been widely introduced into tropical and warm temperate regions of the world to be used as ornamental. It...

Phytoplasmas are wall-less parasitic bacteria living exclusively in plant phloem as consequence of transmission by sap-sucking insect vectors (Lee et...

C. helmsii is an aquatic plant that can take on various growth forms depending on prevailing conditions, and is able to act as a submerged, emergent,...

Crassula ovata is a large, much-branched, hairless and floriferous shrub from southern Africa. Commonly known as the jade plant or money plant, C....