00503 a2200133 4500082001600000100002000016245016400036260005100200300001400251650001600265650002300281650003000304650003500334 a632.96bDAN aDana, Robert P. a Conservation management of the prairie skippers hesperia dacotae and hesperia ottoebbasic biology and threat of mortality during prescribed burning in spring aMinnesotabUniversity of Minnesotac1991g1991 a[vi],63p. aAgriculture aBiological control apests and disease control aPlant injuries, disease, pests