Ambrosia trifida is reported for the first time as a larval food plant of Chlosyne nycteis. Chlosyne nycteis and C. harrisii are reported as hosts of Agrypon prismaticum and A. alpinum, respectively; the first report of wasps in Agrypon parasitizing species in Nymphalidae.
Williams, Andrew H.
"Notes on the Life Histories of Chlosyne (Lepidoptera: Nymphalidae) and Agrypon (Hymenoptera: Ichneumonidae),"
The Great Lakes Entomologist, vol 30
Available at: https://scholar.valpo.edu/tgle/vol30/iss1/8