![Holly Blue butterfly](/sites/default/files/styles/node_hero_default/public/2018-01/Holly%20blue%20%28female%29%20on%20marjoram%20cpt%20Rachel%20Scopes.jpg?h=e27883c3&itok=PjzYsNOo)
Holly Blue ©Rachel Scopes
![Holly Blue butterfly](/sites/default/files/styles/node_hero_default/public/2018-01/Holly%20blue%20002%20cpt%20Amy%20Lewis.jpg?h=75713995&itok=SRgJ4qP7)
Holly Blue ©Amy Lewis
Holly blue
Scientific name: Celastrina argiolus
Look out for the small Holly Blue in your garden or local park. It is the first blue butterfly to emerge in spring, and a second generation appears in summer. The caterpillars are fond of holly and ivy.
Species information
Statistics
Wingspan: 2.6-3.4cmConservation status
Common.