Park Alerts updated on 10/26/2022​​​​​​​

 Donate   |   Join   |   Listen   |  Shop

  • Home

    • About Us
    • On a Dark and Stormy Night
    • Board of Directors
    • Donate
    • Volunteering
    • Annual Report
    • Become a Member

  • Park Information

    • General Regulations
    • Park Location Map & Directions
    • Newsletters
    • Summit Museum
    • Mitchell Canyon Visitor Center
    • Weather & Air Quality
    • Camping
    • Juniper Campground Map
    • Live Oak Campground Map
    • History of Mount Diablo
    • An Island in Suburbia

  • Activities

    • Hiking Mount Diablo
    • 8 Popular Hikes
    • 10 Short Walks
    • 10 Moderate Hikes
    • 10 Demanding Hikes
    • Biking
    • Horseback Riding
    • Points of Interest

  • Nature

    • Plants
    • Wildlife
    • Wild Mount Diablo
    • Geology
    • Astronomy
    • Native Garden
    • Peregrine Team

  • Events

    • Events
    • Webinar Recordings

  • Nature Guides

    • Bird Guide
    • Butterfly Guide
    • Wildflower Guide

  • Contact

  • More

    Use tab to navigate through the menu items.
    Donate

    Mournful Duskywing

    Erynnis tristis

    ​

    Hesperiidae

    Skippers

    Flies

    January to October

    Host Plant

    Oak

    Nectar Plant

    ​

    Mournful Duskywing

    Daniel Fitzgerald

    Male

    Mournful Duskywing

    Michael Marchiano

    Male

    Mournful Duskywing

    Daniel Fitzgerald

    Underwing

    Mournful Duskywing

    ​

    ​

    © 2022 by Mount Diablo Interpretive Association