---
title: "Brown Longtail"
description: "Spicauda procne — Insects & spiders. Spicauda procne, the brown longtail, is a species of butterfly in the family Hesperiidae."
canonical: https://animalchecklist.com/animal/brown-longtail
last_updated: 2026-09-20
---

# Brown Longtail

> Spicauda procne — Insects & spiders. Spicauda procne, the brown longtail, is a species of butterfly in the family Hesperiidae.

- Scientific name: *Spicauda procne*
- Category: `insects` (Insects & spiders)
- Habitats: `grassland` (Fields & meadows)
- iNaturalist observations: 8017
- Wikidata: [Q97657749](https://www.wikidata.org/wiki/Q97657749)
- iNaturalist taxon: [1154098](https://www.inaturalist.org/taxa/1154098)

## Names

- en: Brown Longtail
- es: Saltarina de Cola Larga Café

## Countries with the most observations

US (2439), MX (1913), BR (407), CO (80), PA (58), AR (36), EC (19), CR (17), HN (15), PE (9), BZ (7), PY (6)

## Summary

Spicauda procne, the brown longtail, is a species of butterfly in the family Hesperiidae. It is found from Argentina, north through Central America and Mexico to southern Texas. Rare strays can be found up to southern New Mexico, southern Arizona and southern California.
The wingspan is 37–48 mm. There are three generations per year in southern Texas.
The larvae feed on various grasses, including Cynodon dactylon and Sorghum halepense.

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

## Photo

![Brown Longtail](https://animalchecklist.com/img/animals/brown-longtail/medium.jpg)

Photo: TheMongrelKoi · CC0 · inaturalist — https://www.inaturalist.org/observations/188304095

## Machine access

`GET https://animalchecklist.com/api/v1/animals/brown-longtail?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).