---
title: "Blauwschicht"
description: "Pachydiplax longipennis — Insecten en spinnen. The blue dasher (Pachydiplax longipennis) is an insect of the skimmer family."
canonical: https://animalchecklist.com/nl/animal/blue-dasher
last_updated: 2026-09-20
---

# Blauwschicht

> Pachydiplax longipennis — Insecten en spinnen. The blue dasher (Pachydiplax longipennis) is an insect of the skimmer family.

- Scientific name: *Pachydiplax longipennis*
- Category: `insects` (Insecten en spinnen)
- Habitats: `freshwater` (Meren en rivieren)
- iNaturalist observations: 162687
- Wikidata: [Q138325](https://www.wikidata.org/wiki/Q138325)
- iNaturalist taxon: [59774](https://www.inaturalist.org/taxa/59774)

## Names

- en: Blue Dasher
- es: Rayadora azul
- fr: Sympétrule à front blanc
- nl: Blauwschicht

## Countries with the most observations

US (149317), CA (9855), MX (802), BM (11)

## Summary

The blue dasher (Pachydiplax longipennis) is an insect of the skimmer family. It is the only species in the genus Pachydiplax. It is widely distributed throughout North America and into the Bahamas.
Although the species name longipennis means "long wings", their wings are not substantially longer than those of related species. Females do, however, have a short abdomen that makes the wings appear longer in comparison. The blue dasher grows up to 25–43 millimeters (1.0–1.7 in) long.
The males are easy to recognize with their vibrant blue color, yellow-striped thorax, and metallic green eyes. Females are somewhat less…

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

## Photo

![Blauwschicht](https://animalchecklist.com/img/animals/blue-dasher/medium.jpg)

Photo: Brady Reed · CC0 · inaturalist — https://www.inaturalist.org/observations/12800846

## Machine access

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