Information authenticated by Butterfly Conservation: <br />
http://www.butterfly-conservation.org/
Calcareous: Containing free calcium carbonate, chalky.
Genus: A category used in taxonomy, which is below ‘family' and above ‘species'. A genus tends to contain species that have characteristics in common. The genus forms the first part of a ‘binomial' Latin species name; the second part is the specific name.
Larvae: Stage in an animal's lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce
Larval: Of the stage in an animal's lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce.
Myxomatosis: A contagious viral disease in rabbits.
Pupa: Stage in an insect's development when huge changes occur, which reorganise the larval form into the adult form. In butterflies the pupa is also called a chrysalis.
Re-introductions: Attempts to establish a native species back into an area where it previously occurred.