Adela trigrapha (Zeller, 1876)
Family: Adelidae
Subfamily: Adelinae
Identification: males have large eyes, long white antenna 3 times forewing length, black forewing crossed by three white lines which are reduced to two or only traces in some populations. Females have smaller eyes, smaller antenna (1.5 X FWL) and bright orange head. Forewing bright, metallic blue, hindwing purple
Wing Span: 0.55-0.62 cm
Life History:
Flight:
Caterpillar Hosts: Leptosiphon androsaceus (syn. Linanthus androsaceus) and L. bicolor
Adult Food:
Habitat:
Range: Vancouver Island to southern California, including Santa Rosa and Santa Cruz Islands
Conservation:
NCGR:
Management Needs:
Comments:
Taxonomy Notes: None.
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Verified Sightings
Displaying 1 - 13 of 13 verified sightings
Observation date: Mar 30, 2019
Submitted by: I Spy Butterflies
Region: Mendocino County, California, United States
Verified by: mcduck
Verified date: Jun 05, 2022
Observation date: Mar 30, 2019
Submitted by: I Spy Butterflies
Region: Mendocino County, California, United States
Verified by: mcduck
Verified date: Jun 05, 2022
Observation date: May 10, 2018
Submitted by: sandyleapt
Region: Clackamas County, Oregon, United States
Verified by: J_Martineau
Verified date: Mar 15, 2021
Observation date: May 10, 2018
Submitted by: sandyleapt
Region: Clackamas County, Oregon, United States
Verified by: J_Martineau
Verified date: Mar 15, 2021
Observation date: May 13, 2011
Submitted by: ryDLar
Region: Josephine County, Oregon, United States
Verified by: Robert Martin
Verified date: Jul 12, 2015
Observation date: Apr 12, 2015
Submitted by: Selwyn Quan
Region: Santa Clara County, California, United States
Verified by: Josiah Gilbert
Verified date: Apr 15, 2015
Observation date: Apr 25, 2013
Submitted by: malachiwhitford
Region: Fresno County, California, United States
Verified by: kellyrichers
Verified date: Apr 30, 2013
Observation date: Mar 26, 2012
Submitted by: MisakoHill
Region: Contra Costa County, California, United States
Verified by: kellyrichers
Verified date: Jun 21, 2012
Observation date: Apr 17, 2012
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: kellyrichers
Verified date: May 10, 2012
Observation date: Apr 03, 2012
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: kellyrichers
Verified date: May 10, 2012
Observation date: Apr 09, 2012
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: kellyrichers
Verified date: May 10, 2012
Observation date: Apr 17, 2012
Submitted by: Josiah Gilbert
Region: San Luis Obispo County, California, United States
Verified by: kellyrichers
Verified date: May 10, 2012
Observation date: Apr 19, 2011
Submitted by: Wahkahchim
Region: Monterey County, California, United States
Verified by: kellyrichers
Verified date: Jun 02, 2011