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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 323 verified sightings
Observation date: May 06, 2026
Submitted by: jamesvonloh
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: May 27, 2026
Observation date: May 24, 2026
Submitted by: Gordon Berman
Region: Doña Ana County, New Mexico, United States
Verified by: stevecary
Verified date: May 25, 2026
Observation date: Oct 09, 2025
Submitted by: DebW
Region: Curry County, New Mexico, United States
Verified by: stevecary
Verified date: Mar 25, 2026
Observation date: Jan 16, 2026
Submitted by: tnjbodker
Region: Hidalgo County, Texas, United States
Verified by: jwileyrains
Verified date: Jan 31, 2026
Observation date: Oct 21, 2025
Submitted by: bentert
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Jan 18, 2026
Observation date: Oct 21, 2025
Submitted by: bentert
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Jan 18, 2026
Observation date: Jan 06, 2026
Submitted by: drmarc60223
Region: Hidalgo County, Texas, United States
Verified by: jwileyrains
Verified date: Jan 08, 2026
Observation date: Jan 08, 2025
Submitted by: linnettse
Region: Oaxaca, Mexico
Verified by: Dennis Forsythe
Verified date: Nov 08, 2025
Observation date: Oct 25, 2025
Submitted by: Chrustay
Region: Sierra County, New Mexico, United States
Verified by: stevecary
Verified date: Nov 06, 2025
Observation date: Jan 14, 2025
Submitted by: linnettse
Region: Oaxaca, Mexico
Verified by: Dennis Forsythe
Verified date: Oct 27, 2025
Observation date: Oct 13, 2025
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Oct 15, 2025
Observation date: Aug 10, 2025
Submitted by: mstanek
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Aug 11, 2025
Observation date: Aug 01, 2025
Submitted by: ezeemonee
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Aug 05, 2025
Observation date: Jul 22, 2025
Submitted by: MAKI
Region: Ventura County, California, United States
Verified by: Ken Davenport
Verified date: Jul 23, 2025
Observation date: Feb 08, 2025
Submitted by: bentert
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: Jul 03, 2025
Observation date: Jun 25, 2025
Submitted by: zencoyote
Region: San Diego County, California, United States
Verified by: Ken Davenport
Verified date: Jun 27, 2025
Observation date: Aug 23, 2023
Submitted by: Sweetpotato
Region: Pima County, Arizona, United States
Verified by: John Saba
Verified date: May 19, 2025
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
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