Host: Agelaius phoeniceus (Red-winged Blackbird)
Host: Euphagus cyanocephalus (Brewer's Blackbird)
Host: Molothrus ater (Brown-headed Cowbird)
Host: Sturnella loyca (Long-tailed Meadowlark)
Host: Sturnella neglecta (Western Meadowlark)
Host: Xanthocephalus xanthocephalus (Yellow-headed Blackbird)