Avalon Scrub-Hairstreak
Strymon avalona (W.G. Wright, 1905)
Family: Lycaenidae
Subfamily: Theclinae
Identification: One short tail on the hindwing. Upperside gray; hindwing with red or yellow spot near tail; may have small white spots at margin. Underside ashy gray, slightly darker on inner half of wing. Submarginal and postmedian lines faint or lacking.
Wing Span: 3/4 - 1 inch (1.9 - 2.5 cm).
Life History: Eggs are laid on terminal buds and on flower buds.
Flight: Many broods from February-December.
Caterpillar Hosts: Silverleaf lotus (Lotus argophyllus var. ornithopus) and deerbrush (Lotus scoparius).
Adult Food: Nectar from flowers including common sumac (Rhus laurina) and giant buckwheat (Eriogonum giganteum).
Habitat: Chaparral and grassy areas.
Range: Found only on Santa Catalina Island, off the coast of southern California.
Conservation: This species is one of the most limited U. S. species and should be conserved.
NCGR: G3 - Very rare or local throughout its range or found locally in a restricted range (21 to 100 occurrences). (Threatened throughout its range).
Management Needs: Maintain stands of host plants. Prevent loss or destruction of habitat.
Comments: NULL
Verified Sightings
Displaying 1 - 22 of 22 verified sightings
Observation date: Aug 27, 2021
Submitted by: MAKI
Region: Los Angeles County, California, United States
Verified by: Ken Davenport
Verified date: Aug 28, 2021
Observation date: Apr 09, 2010
Submitted by: legacy.reporter (Jim Brock)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 09, 2010
Submitted by: legacy.reporter (Jim Brock)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Apr 09, 2010
Submitted by: legacy.reporter (Jim Brock)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: unknown
Submitted by: BAMONA
Region:
Verified by: BAMONA
Verified date: Sep 06, 2010
Observation date: May 26, 1979
Submitted by: legacy.reporter (Glen Gorelick)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Mar 09, 2010
Observation date: Mar 24, 1976
Submitted by: lawrencegall (Larry Gall)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 07, 2010
Observation date: Apr 20, 1975
Submitted by: legacy.reporter (Larry Orsak)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Aug 09, 1967
Submitted by: legacy.reporter (Fred T. Thorne)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 06, 2010
Observation date: Apr 08, 1951
Submitted by: legacy.reporter (Lloyd Martin)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Sep 13, 1993
Submitted by: legacy.reporter (Jeffrey Glassberg)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 05, 2010
Observation date: Aug 11, 1920
Submitted by: legacy.reporter (J. A. Comstock)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (J. A. Comstock)
Verified date: Jan 04, 2010
Observation date: Aug 04, 1920
Submitted by: legacy.reporter (J. A. Comstock)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (J. A. Comstock)
Verified date: Jan 04, 2010
Observation date: Aug 14, 1918
Submitted by: legacy.reporter (J. A. Comstock)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (J. A. Comstock)
Verified date: Jan 04, 2010
Observation date: Jul 01, 1928
Submitted by: legacy.reporter (unknown)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: May 19, 1933
Submitted by: legacy.reporter (unknown)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: Aug 19, 1926
Submitted by: legacy.reporter (J. W. Tilden)
Region: Los Angeles County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Oct 15, 2009
Observation date: Aug 06, 1925
Submitted by: legacy.reporter (J. A. Comstock)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Oct 13, 2009
Observation date: Jul 01, 1928
Submitted by: legacy.reporter (C. Dammers)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Oct 13, 2009
Observation date: Aug 06, 1925
Submitted by: legacy.reporter (J. A. Comstock)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Sep 18, 2009
Observation date: Jul 01, 1928
Submitted by: legacy.reporter (C. Dammers)
Region: Los Angeles County, California, United States
Verified by: legacy.verifier (Emmel & Emmel)
Verified date: Sep 18, 2009
Observation date: unknown
Submitted by: legacy.reporter
Region: Santa Catalina Island County, California, United States
Verified by: legacy.verifier
Verified date: Dec 31, 2004