Arachne Checkerspot
Poladryas arachne (W.H. Edwards, 1869)
Family: Nymphalidae
Subfamily: Nymphalinae
Identification: Upperside is bright orange-brown. Underside is orange; hindwing outer margin has two rows of white spots divided by a thin black line.
Wing Span: 1 1/4 - 1 3/4 inches (3.2 - 4.5 cm).
Life History: Males perch on low plants in ridgetop openings during the morning hours; in the afternoons they patrol around flowers. Females lay eggs in batches on the underside of host plant leaves. Caterpillars eat leaves and feed together in groups when they are young. Hibernation is by the third-stage caterpillars.
Flight: Several broods from May-September.
Caterpillar Hosts: Various species of beardstongue (Penstemon) in the figwort family (Scrophulariaceae).
Adult Food: Flower nectar.
Habitat: Desert grasslands, open mountain meadows and fields.
Range: Western Nebraska; southeast Wyoming; eastern Nevada south through the Rocky Mountains to Arizona, New Mexico, west Texas, and southern Mexico. Isolated population in the southern Sierra Nevada of California.
Conservation: Not usually of concern.
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 97 - 120 of 124 verified sightings
Observation date: Jul 09, 1951
Submitted by: legacy.reporter (David Bauer)
Region: Graham County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 16, 2000
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Sep 06, 1968
Submitted by: legacy.reporter (J. Emmel & Shields)
Region: Lincoln County, Nevada, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jul 04, 1984
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Apr 26, 1982
Submitted by: Ken Davenport (Ken Davenport)
Region: Santa Cruz County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Jan 01, 2011
Observation date: Jun 16, 2010
Submitted by: Ken Davenport (Ken Davenport)
Region: Coconino County, Arizona, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 31, 2010
Observation date: Jun 20, 1936
Submitted by: legacy.reporter (unknown)
Region: Tulare County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: Jul 06, 1935
Submitted by: legacy.reporter (unknown)
Region: Tulare County, California, United States
Verified by: legacy.verifier (William H. Howe)
Verified date: Dec 17, 2009
Observation date: Jul 03, 1978
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 08, 1985
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 02, 1983
Submitted by: legacy.reporter (John G. Pasko)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Aug 03, 1917
Submitted by: legacy.reporter (J. A. Comstock)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 25, 1982
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 28, 1975
Submitted by: legacy.reporter (James R. Mori)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 20, 1992
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 02, 1983
Submitted by: legacy.reporter (John G. Pasko)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Aug 07, 1917
Submitted by: legacy.reporter (J. A. Comstock)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 10, 1983
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 14, 1985
Submitted by: legacy.reporter (John G. Pasko)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 05, 1975
Submitted by: legacy.reporter (Charles Sekerman)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jun 30, 1988
Submitted by: Ken Davenport (Ken Davenport)
Region: Tulare County, California, United States
Verified by: Ken Davenport (Ken Davenport)
Verified date: Dec 16, 2009
Observation date: Jul 15, 2009
Submitted by: legacy.reporter (Doug Mullins, John Saba)
Region: Graham County, Arizona, United States
Verified by: John Saba (John Saba)
Verified date: Aug 07, 2009
Observation date: May 08, 1999
Submitted by: legacy.reporter (Steve Sommerfeld)
Region: Mohave County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
Observation date: Jul 07, 1997
Submitted by: legacy.reporter (C. Bordelon & E. Knudson)
Region: Graham County, Arizona, United States
Verified by: legacy.verifier (The Lepidopterists' Society Season Summary)
Verified date: Jan 28, 2009
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