Butterfly or moth
Spring Azure
Celastrina argiolus · Lycaenidae · Lepidoptera
Best monthsMay · Jul–Augmost records
Records1,084,750in 57 countries
Most seen inUnited Kingdom534,008 records
Red List–IUCN status
About
Spring Azure in brief
The spring azure (Celastrina argiolus) is a butterfly or moth of the Lycaenidae family — species of insect.
Across the 57 countries we cover it has 1,084,750 published records, most of them from the United Kingdom, the Netherlands and France. It is strongly seasonal: records peak in May, July and August and fall to their lowest in January and November.
Records by month
All countries combined · the strongest months highlightedJFMAMJJASOND
Where & when
When to look in each country
United Kingdom534,008 records · best May, Aug
Netherlands202,797 records · best Jul, Apr
France75,013 records · best Jul, Jun
Belgium68,889 records · best Jul, Apr
Germany45,194 records · best Jul, Jun
Finland27,199 records · best May, Jun
Switzerland25,559 records · best Jul, Jun
Sweden24,055 records · best May, Jun
Denmark13,927 records · best May, Jul
Spain13,886 records · best Aug, Jul
Ireland8,239 records · best Apr, May
Austria6,420 records · best Jul, Jun
Norway5,414 records · best May, Jun
Poland4,957 records · best Jul, May
Japan4,560 records · best Apr, Jun
South Korea4,120 records · best May, Aug
Italy3,310 records · best Jun, Jul
Serbia2,780 records · best Jun, Jul
Russia2,473 records · best May, Jul
Hungary1,734 records · best Jun, Jul
Portugal1,484 records · best Jul, Aug
Luxembourg1,279 records · best Jul, Aug
Greece1,039 records · best Apr, Jul
Ukraine977 records · best Jun, Jul
Estonia883 records · best May, Jul
Türkiye655 records · best Jul, Jun
Czechia646 records · best Jul, Jun
Romania433 records · best Jun, Jul
Croatia424 records · best Jul, Jun
China419 records · best Jun, Aug
Bulgaria366 records · best Jun, Jul
Israel223 records · best Jun, Jul
Slovenia217 records · best Aug, Jul
Belarus123 records · best Jul, May
Slovakia113 records · best Jul, Jun
North Macedonia98 records · best Jun, Jul
Albania95 records · best Aug, Jul
Cyprus80 records · best Jun, Jul
Algeria72 records · best Jun, May
Liechtenstein71 records · best Jul, Apr
Georgia71 records · best Aug, Jul
Nepal65 records · best Jul, May
Andorra60 records · best Jan, Jul
Montenegro60 records · best Jul, May
Kazakhstan56 records · best Jun, Aug
Armenia50 records · best Jun, Jul
Iran35 records · best Jun, Jul
Latvia31 records · best Jul, May
Bosnia and Herzegovina18 records · best Jun, Jul
Moldova16 records · best Jun, Apr
Malta15 records · best Jun, May
Kosovo14 records · best Jun, Nov
Syria12 records · best Jun, May
Tunisia11 records · best May, Jun
North Korea3 records · best May, Aug
San Marino1 records · best Jul, Jan
Libya1 records · best Apr, Jan
Map
Where it has been recorded
Density of published records; brighter cells have more records.
Relatives
All butterflies & moths
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