---
title: "Summer Azure"
description: "Celastrina neglecta — Insecten en spinnen. Celastrina neglecta, the summer azure, is a butterfly of the family Lycaenidae."
canonical: https://animalchecklist.com/nl/animal/summer-azure
last_updated: 2026-09-20
---

# Summer Azure

> Celastrina neglecta — Insecten en spinnen. Celastrina neglecta, the summer azure,  is a butterfly of the family Lycaenidae.

- Scientific name: *Celastrina neglecta*
- Category: `insects` (Insecten en spinnen)
- Habitats: unknown
- iNaturalist observations: 34244
- Wikidata: [Q2875246](https://www.wikidata.org/wiki/Q2875246)
- iNaturalist taxon: [82792](https://www.inaturalist.org/taxa/82792)

## Names

- en: Summer Azure
- fr: Azur estival

## Countries with the most observations

US (19054), CA (2126)

## Summary

Celastrina neglecta, the summer azure,  is a butterfly of the family Lycaenidae. It is found in North America. Layberry, Hall, and Lafontaine, in The Butterflies of Canada, describe the species:

The upper surface is pale blue with an extensive dusting of white scales, especially on the hindwing. In some females the blue is almost entirely replaced by white with a small amount of blue near the wing bases. Females have a broad blackish-grey band on the outer third and costa of the forewing. The underside is chalky white to pale grey with tiny dark grey spots and a zigzagged submarginal line on the hindwing.
Wingspan…

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Celastrina_neglecta

## Photo

![Summer Azure](https://animalchecklist.com/img/animals/summer-azure/medium.jpg)

Photo: Glenn Berry · CC0 · inaturalist — https://www.inaturalist.org/observations/127926036

## Machine access

`GET https://animalchecklist.com/api/v1/animals/summer-azure?lang=nl` — see [openapi.json](https://animalchecklist.com/openapi.json).