Sustained releases of Spalangia endius to parasitize field populations of three species of filth breeding flies.
D000818:Animals; D004175:Diptera / Q000469:parasitology*; D006793:Houseflies / Q000469:parasitology; D006927:Hymenoptera; D010572:Pest Control, Biological; D011153:Population; D011679:Pupa; D014863:Wasps