In addition to biogeographical limitations, cycads
are vulnerable to anthropogenic activities and require particular conservation attention.
Caterpillars of Eumaeus childrenae (Lepidoptera: Lycaenidae) feeding on two species of cycads
(Zamiaceae) in the Huasteca region, Mexico.
Responses of cycads
with different life histories to the impact of plant collecting: simulation models to determine important life history stages and population recovery times.
Species of Aulacoscelis Duponchal and Chevrolat (Chrysomelidae) and Nomotus Gorham (Languriidae) feed on fronds of Central American cycads
. ColeopteristsBulletin, 53: 217-231.
pandava has proven to be a successful coloniser, using both native and ornamental cycads
. Within the past fifteen years it has spread from its native India and Southeast Asia to various other regions including temperate East Asia (Korea and Japan) (Wu et al.
Reflecting this interest, and 'using all available cycad
literature', Bonta and Osborne (2007:1) published a worldwide review, 'Cycads
in the vernacular: A compendium of local names', in which they 'compiled a table of scientific names, localities, languages, vernacular names and where known, translations into English'.
In: Toxicity of Cycads
: Implications for Neurodegenerative Diseases and Cancer, Fifth Cycad
Conference 1967 (Whiting MG, ed.).
Macrozamia is one of the four genera of cycads
present in Australia: Bowenia, Cycas, Lepidozamia and Macrozamia (Jones 1998:14).
Palm House keeper Wes Shaw said: "Cycads
are fascinating prehistoric plants and this is one of the most unique plants in Kew gardens.