Fatal Metalmark
Calephelis nemesis (W.H. Edwards, 1871)
Family: Riodinidae
Subfamily: Riodininae
Identification: Male forewing pointed. Upperside brown with slightly darker median bands; fringes checkered.
Wing Span: 3/4 - 1 inch (2 - 2.5 cm).
Life History: Eggs are laid singly on host plant leaves, which the caterpillars eat.
Flight: All year in south Texas, May-October in California.
Caterpillar Hosts: Seepwillow (Baccharis glutinosa), perhaps virgin's bower (Clematis species).
Adult Food: Flower nectar.
Habitat: Brushy or weedy areas along roadsides, washes, ditches, and streams.
Range: Southern California through the Southwest to central Texas, south to southern Mexico.
Conservation: Widespread and common. Most populations are not of concern, but endemic California subspecies may be in jeopardy.
NCGR: G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
Management Needs: None reported.
Comments: NULL
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Verified Sightings
Displaying 1 - 24 of 306 verified sightings
Observation date: Mar 29, 2025
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Mar 29, 2025
Observation date: Mar 11, 2025
Submitted by: hranson
Region: Santa Barbara County, California, United States
Verified by: Ken Davenport
Verified date: Mar 12, 2025
Observation date: Oct 11, 2024
Submitted by: jrmbutterfly
Region: Santa Cruz County, Arizona, United States
Verified by: jwileyrains
Verified date: Dec 09, 2024
Observation date: Oct 13, 2024
Submitted by: jrmbutterfly
Region: Santa Cruz County, Arizona, United States
Verified by: jwileyrains
Verified date: Dec 06, 2024
Observation date: Nov 10, 2024
Submitted by: TJM321
Region: Texas, Travis County, United States
Verified by: jwileyrains
Verified date: Nov 11, 2024
Observation date: Oct 14, 2024
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Oct 17, 2024
Observation date: Oct 06, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Oct 09, 2024
Observation date: Sep 16, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Sep 16, 2024
Observation date: Sep 05, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Sep 07, 2024
Observation date: May 07, 2023
Submitted by: dvollmar
Region: Texas, Val Verde County, United States
Verified by: jwileyrains
Verified date: Aug 14, 2024
Observation date: Jul 16, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 17, 2024
Observation date: Jul 13, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jul 14, 2024
Observation date: Apr 29, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: May 02, 2024
Observation date: Jan 18, 2024
Submitted by: hasfitz5
Region: Baja California Sur, Mexico
Verified by: Paul Prappas
Verified date: Apr 12, 2024
Observation date: Apr 09, 2024
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Apr 12, 2024
Observation date: Mar 21, 2024
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Mar 22, 2024
Observation date: Dec 21, 2023
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Dec 21, 2023
Observation date: Nov 15, 2023
Submitted by: jrmbutterfly
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Nov 17, 2023
Observation date: Nov 13, 2023
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Nov 13, 2023
Observation date: Oct 30, 2023
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Oct 30, 2023
Observation date: Oct 11, 2023
Submitted by: Robert Gorman
Region: Orange County, California, United States
Verified by: Ken Davenport
Verified date: Oct 11, 2023
Observation date: Oct 03, 2023
Submitted by: Zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Oct 07, 2023
Observation date: Aug 05, 2023
Submitted by: Paul Prappas
Region: Santa Cruz County, Arizona, United States
Verified by: Paul Prappas
Verified date: Sep 02, 2023
Observation date: Aug 21, 2023
Submitted by: cjgoin
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: Aug 21, 2023
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