Pyrgus ruralis lagunae

Laguna Mountains Skipper

FWS Focus

Overview

Characteristics
Overview

 The Laguna Mountains skipper is one of two subspecies of the two-banded checkered skipper, a small butterfly in the skipper family. Listed as endangered in 1997, this insect faces threats from habitat modification through succession, climate change climate change
Climate change includes both global warming driven by human-induced emissions of greenhouse gases and the resulting large-scale shifts in weather patterns. Though there have been previous periods of climatic change, since the mid-20th century humans have had an unprecedented impact on Earth's climate system and caused change on a global scale.

Learn more about climate change
and small isolated populations susceptible to catastrophic events such as drought and fire.

Scientific Name

Pyrgus ruralis lagunae
Common Name
Laguna Mountains Skipper
FWS Category
Insects
Kingdom

Location in Taxonomic Tree

Identification Numbers

TSN:

Characteristics

Characteristic category

Life Cycle

Characteristics
Reproduction

Laguna Mountains skippers typically deposit eggs on the underside of mature or moderately mature leaves of the host plant. Larvae then occupy silken shelters constructed with host plant leaves. Typically, there is a spring flight from late April to June and a summer flight from July through August.

Characteristic category

Habitat

Characteristics
Habitat

These insects spend most of the time near host plants, with the primary larval host plant, Horkelia clevelandii, often found near wet features in meadows and along the forest boundary.

Characteristic category

Physical Characteristics

Characteristics
Color & Pattern

The wings of the Laguna Mountains skipper have extensive white markings that give adults, particularly males, an overall appearance of more white than black. These insects also have banding patterns on the hind wings and a forewing pattern that resembles an โ€œx.โ€

Size & Shape

Laguna Mountains skipper have a wingspan of about 1 inch.

Geography

Characteristics
Range

Laguna Mountains skippers were historically found in meadow habitats within the Peninsular Range on Palomar Mountain, and in the Laguna Mountains in San Diego County, California, but is currently restricted to Palomar Mountain. Working in partnership with the San Diego Zoo Wildlife Alliance and the U.S. Forest Service, we reintroduced Laguna Mountains skippers in an area of the Laguna Mountain Recreation Area.

Launch Interactive Map

Timeline

Explore the information available for this taxon's timeline. You can select an event on the timeline to view more information, or cycle through the content available in the carousel below.

19 Items

Listing

Listing

Listing

Listing

Listing

Listing

Listing

Critical Habitat

Five Year Review

Notice

Notice

Notice

NEPA - EA

Critical Habitat

Five Year Review

Five Year Review

Recovery Plan

Five Year Review

Five Year Review

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Listing

Jan 6, 1989

Jan 6, 1989 Listing
ETWP; Animal Notice of Review; 54 FR 554 579
  • Publication type: CNOR
Item 1

Listing

Nov 21, 1991

Nov 21, 1991 Listing
ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species; 56 FR 58804 58836
  • Publication type: CNOR
Item 2

Listing

Jul 19, 1993

Jul 19, 1993 Listing (Substantial)
ETWP; 90-Day Finding for a Petition to List Four California Butterflies as Endangered and Continuatiโ€ฆ
  • Publication type: 90 day petition finding
Item 3

Listing

Aug 4, 1994

Aug 4, 1994 Listing (Endangered)
ETWP; Proposed Rule To List the Laguna Mountains Skipper and Quino Checkerspot Butterflies as Endangโ€ฆ
  • Publication type: Proposed
Item 4

Listing

Nov 15, 1994

Nov 15, 1994 Listing
ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species.
  • Publication type: CNOR
Item 5

Listing

Feb 28, 1996

Feb 28, 1996 Listing
ETWP; Review of Plant and Animal Taxa That Are Candidates for Listing as Endangered or Threatened Sโ€ฆ
  • Publication type: CNOR
Item 6

Listing

Jan 16, 1997

Jan 16, 1997 Listing (Endangered)
ETWP; Determination of Endangered Status for the Laguna Mountains Skipper and Quino Checkerspot Buttโ€ฆ
  • Publication type: Final
Item 7

Critical Habitat

Dec 13, 2005

Dec 13, 2005 Critical Habitat
Designation of Critical Habitat for the Laguna Mountains Skipper: Proposed rule.
  • Publication type: Proposed
Item 8

Five Year Review

Mar 22, 2006

Mar 22, 2006 Five Year Review (Information Solicitation)
Initiation of 5-Year Reviews of 56 Species in California and Nevada: Notice of review.
  • Publication type: Notice
Item 9

Notice

Apr 13, 2006

Apr 13, 2006 Notice
Designation of Critical Habitat for the Laguna Mountains Skipper:Proposed rule; reopening of publicโ€ฆ
  • Publication type: Public Hearing
Item 10

Notice

Apr 13, 2006

Apr 13, 2006 Notice
Designation of Critical Habitat for the Laguna Mountains Skipper:Proposed rule; reopening of publicโ€ฆ
  • Publication type: Comment Period Reopening
Item 11

Notice

Jul 7, 2006

Jul 7, 2006 Notice
Proposed Designation of Critical Habitat for the Laguna Mountains Skipper (Pyrgus ruralis lagunae);โ€ฆ
  • Publication type: Comment Period Reopening
Item 12

NEPA - EA

Jul 7, 2006

Jul 7, 2006 NEPA - EA
Proposed Designation of Critical Habitat for the Laguna Mountains Skipper (Pyrgus ruralis lagunae);โ€ฆ
  • Publication type: Draft
Item 13

Critical Habitat

Dec 12, 2006

Dec 12, 2006 Critical Habitat
Designation of Critical Habitat for the Laguna Mountains Skipper (Pyrgus ruralis lagunae)
  • Publication type: Final
Item 14

Five Year Review

Mar 5, 2008

Mar 5, 2008 Five Year Review (Completion)
Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Yeaโ€ฆ
  • Publication type: Notice
Item 15

Five Year Review

May 25, 2011

May 25, 2011 Five Year Review (Information Solicitation)
Initiation of 5-Year Reviews of Species in California, Nevada, and the Klamath Basin of Oregon
  • Publication type: Notice
Item 16

Recovery Plan

Jan 26, 2016

Jan 26, 2016 Recovery Plan (Document Availability (non-FR))
Draft Recovery Plan for the Laguna Mountains Skipper; Notice of availability.
  • Publication type: Draft
Item 17

Five Year Review

Jun 18, 2018

Jun 18, 2018 Five Year Review (Information Solicitation)
Initiation of 5-Year Status Reviews of 50 Species in California, Nevada, and the Klamath Basin of Orโ€ฆ
  • Publication type: Notice
Item 18

Five Year Review

Aug 17, 2023

Aug 17, 2023 Five Year Review (Information Solicitation)
Endangered and Threatened Wildlife and Plants; Initiation of 5-Year Status Reviews of 47 Species inโ€ฆ
  • Publication type: Notice
Item 19