Aestivation - A summer version of hibernation. Especially prevalent in very hot dry regions.
Ecdysis - The process of skin shedding.
Endemic - Restricted to a particular region. A specialist species which for example, only occurs in once country.
Hibernation - The suspension of activity during the winter, cold period.
Instar - A stage of larval development. Each larval instar occurs when the larva sheds its skin in order to allow it to grow. Butterfly and Moth larvae have between 3 and 6 larval instars.
Metamorphosis - The process of dramatic physical change e.g. from a pupae to a butterfly.
Monophagous - A species which only uses one plant species as a larval food plant.
Oligophagous - A species which uses several closely related plant species as a larval food plant.
Polyphagous - A species which uses hostplants from different genera.
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