You can find detailed instructions from the Ministry of Environment (127557_2178_2015.pdf) for how to make an application and obtain a permission for research, investigation, photography, cinematography, collecting, capturing and exporting from Greece animals and plants (including butterflies). The application should be addressed to: Ministry for Environment and Energy, Directorate General for the Protection and Development of Forests and the Rural Environment, Directorate of Forest Management, Halkokondili 31, 104 32 Athens – GREECE
For how to obtain a permission and details for the application, see in (135366-16.pdf)
RECORDING ΤΗΕ BUTTERFLIES IN GREECE
Your records of the butterflies of Greece could be very useful for the protection of the butterflies and the environment in Greece.
Keep your records and photographs taken always accompanied with the exact locality, coordinates (latitude and longitude) and altitude (m). Also keep any other information associated with the butterflies (eg number individuals of males or females seen, mating behavior, host plants etc).