Lyophilization, vacuum drying, and subsequent storage of Nosema pyrausta spores.
D000818:Animals; D016782:Apicomplexa / Q000302:isolation & purification; D005612:Freeze Drying; D007915:Lepidoptera / Q000382:microbiology; D011309:Preservation, Biological; D013170:Spores; D013696:Temperature; D013997:Time Factors