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Spring Azure (Celastrina ladon)

Spring Azure

The Spring Azure is a species of very small butterflies, of about an inch, and are found in several countries of North America. These diurnal butterflies can be seen perching from flower to flower especially from midafternoon till dusk.

Scientific Classification

  • Family: Lycaenidae
  • Genus: Celastrina
  • Scientific Name: Celastrina ladon

Description and Identification


Spring Azure Caterpillar snetsingerbutterflygarden.org

The mature larvae shape more like flat and wide slugs, rather than tubes. They have a segmented body with either green or whitish green coloration, with the latter having small moss green marks on the body. Unlike most other species, they thrive on flowers and fruits. These insects are often tended by tree ants, often resisting them to grow up to a butterfly.


Spring Azure Pupa c1.staticflickr.com

The chrysalis is beige to light brown or grayish with darker gray and dull white blotches all over the body. They are attached to the upper surface of the leaves.

Adult Butterfly

Sexual Dimorphism: Yes

Color and Appearance: When the wings are open, both the forewings and the hindwings in the male display a bright blue hue, whereas the female is has a darker shade of blue, having prominent black margins on the forewings. When closed, both the wings look grayish with darker markings.

Spring Azure Butterfly Images 

Spring Azure Butterfly Pictures

Average wingspan: 0.87 – 1.8 inches (2.2 – 3.5 cm)

Flight pattern: Fast


Spring Azure Eggs c1.staticflickr.com

Laid singly on flower buds

Quick Facts

Distribution North America ranging from Alaska and Canada to the south of the tundra region; throughout most parts of the US, down to the mountains to Colombia
Habitat Old fields, clearings and edges of deciduous woods, freshwater swamps and wooded marshes
Lifespan of adults A few days
Host plants Leaves of dogwood (Cornus florida), New Jersey tea (Ceanothus americana), meadowsweet (Spiraea salicifolia), and Collinsia
Adult diet Nectar from flowers including blackberry, dogbane, privet, New Jersey tea, and common milkweed

Did You Know?

  • Some taxonomic authorities have considered the species believe that it is a subspecies of C. argiolus, whereas, the other authorities opine that it is ‘full’ species.
  • They are said to be the shortest-lived butterflies.

Spring Azure Butterfly 

Celastrina Ladon

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