Podalonia sericea Murray 1940. A wide-ranging,
western North American species (Krombein 1979), P. sericea
reaches its easternmost limit in Michigan. It has a shoreline dunes
distribution within the state. No inland records have been found.
BIOLOGY: At Warren Dunes State Park (Berrien Co.), females
were flying along old dune crests overgrown with herbaceous
vegetation. Prey are presumed to be noctuids, as Hicks (1933) listed
Homoptera salicis Behr and Zale lunata (Drury) as prey
in California.
FLOWER RECORDS: Euphorbia corollata.
COLLECTION DATES: 25 specimens, 3 July to 23 August.
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