Attributes of Euproserpinus wiesti

Wiest's primrose sphinx
Euproserpinus wiesti Sperry, 1939
Family: Sphingidae
Subfamily: Macroglossinae
Identification: Body is black with a white band across the abdomen. Forewing upperside is gray-brown; median area has black lines and a gray band; underside is white with a black outer margin. Hindwing upperside is yellowish white with a narrow black outer margin and black at the base; underside is white with black at the base and a black marginal band.
Wing Span: 1 1/4 - 1 15/16 inches (3.2 - 4.9 cm).
Life History: Adults fly during the day. Females lay eggs singly at the base of host leaves; eggs hatch in 7-10 days. Fully-grown caterpillars pupate and overwinter in underground cells.
Flight: . One brood from May-June.
Caterpillar Hosts: Prairie primrose (Oenothera latifolia) in the evening primrose family (Onagraceae).
Adult Food: Probably flower nectar.
Habitat: Sand washes and blow-outs in prairies.
Range: Northeast Colorado south to northern New Mexico, west to southern Utah and northern Arizona.
Conservation: Switzerland. 632 pages.
NCGR: G2 - Imperiled globally because of rarity (6 to 20 occurrences), or because of other factors demonstrably making it very vulnerable to extinction throughout its range. (Endangered throughout its range).
Management Needs: Monitor grazing effects on habitat and minimize spraying on known populations.
Taxonomy Notes:

Images of Euproserpinus wiesti

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Euproserpinus wiesti - 1712_85.jpg

Euproserpinus wiesti - 1712_85.jpg

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The map below displays all verified sighting records in the BAMONA database for this species. Each record is indicated with a yellow dot. The orange dots on the map provide access to information about the 400 most recently verified sightings of this species. In some instances, there are several records at the same location. Use the table view to access these records.

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The fifty most recently verified sightings are below. See more recently verified sightings of all species.

Observation Date Submitter Region Verified Datesort icon
January 01, 1950 legacy.reporter Coconino County, Arizona, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Alamosa County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Morgan County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Prowers County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Weld County, Colorado, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Bernalillo County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Quay County, New Mexico, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Dallam County, Texas, United States December 31, 2004 Details
January 01, 1950 legacy.reporter Kane County, Utah, United States December 31, 2004 Details